{"id":21518,"date":"2025-03-28T12:43:42","date_gmt":"2025-03-28T04:43:42","guid":{"rendered":"https:\/\/landu-china.com\/?p=21518"},"modified":"2025-03-28T12:44:17","modified_gmt":"2025-03-28T04:44:17","slug":"kehittyneet-kemialliset-lisaaineet-oljylahteiden-sementointitekniikassa","status":"publish","type":"post","link":"https:\/\/landu-china.com\/fi\/kehittyneet-kemialliset-lisaaineet-oljylahteiden-sementointitekniikassa\/","title":{"rendered":"Kehittyneet kemialliset lis\u00e4aineet \u00f6ljyl\u00e4hteiden sementointitekniikassa"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"21518\" class=\"elementor elementor-21518\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ed4792 e-flex e-con-boxed e-con e-parent\" data-id=\"8ed4792\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-27bb47c5 e-con-full e-flex e-con e-child\" data-id=\"27bb47c5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5745a1aa elementor-widget elementor-widget-heading\" data-id=\"5745a1aa\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Kehittyneet kemialliset lis\u00e4aineet \u00f6ljyl\u00e4hteiden sementointitekniikassa<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f276119 elementor-tablet-align-center elementor-widget elementor-widget-post-info\" data-id=\"5f276119\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-8a4e3ed elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/2025\/03\/28\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M400 64h-48V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H160V12c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v52H48C21.5 64 0 85.5 0 112v352c0 26.5 21.5 48 48 48h352c26.5 0 48-21.5 48-48V112c0-26.5-21.5-48-48-48zm-6 400H54c-3.3 0-6-2.7-6-6V160h352v298c0 3.3-2.7 6-6 6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>28 maaliskuun, 2025<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-271dd1a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"271dd1a\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<main class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2d5bb40\" data-id=\"2d5bb40\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62b5b46 elementor-widget elementor-widget-heading\" data-id=\"62b5b46\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mit\u00e4 on \u00f6ljyl\u00e4hteiden sementointi?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-313b9ee elementor-widget elementor-widget-text-editor\" data-id=\"313b9ee\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>\u00d6ljyl\u00e4hteiden sementointi on prosessi, jossa vaippa ty\u00f6nnet\u00e4\u00e4n porauskaivoon ja ruiskutetaan sementti\u00e4 vaipan v\u00e4liseen rengasmaiseen tilaan. Sementointi on t\u00e4rke\u00e4 osa \u00f6ljynporausteollisuutta, ja yleens\u00e4 tuotantokaivojen sementointioperaatioita on v\u00e4hint\u00e4\u00e4n kaksi ja tutkimuskaivojen jopa viisi. \u00d6ljyl\u00e4hteiden sementoinnilla on viisi p\u00e4\u00e4tarkoitusta.<\/div><ol><li><strong>Kaivonrei\u00e4n eheyden vakauttaminen<\/strong> - Ep\u00e4vakaiden tai murtuneiden muodostumien erist\u00e4miseen, porattujen osien vahvistamiseen ja porauksen sujuvan etenemisen varmistamiseen.<\/li><li><strong>Kaivonp\u00e4\u00e4n asennuksen tukeminen<\/strong> - Perustan tarjoaminen puhkeamisen estoj\u00e4rjestelmille ja asianmukaisen mudan paluuvirtauksen yll\u00e4pit\u00e4minen nostamalla porausnesteen ulostuloaukko mutakuopan yl\u00e4puolelle.<\/li><li><strong>Vy\u00f6hykkeellinen erist\u00e4minen<\/strong> - Est\u00e4\u00e4 ristivirtaukset \u00f6ljy-, kaasu- ja vesikerrosten v\u00e4lill\u00e4, joiden paineet vaihtelevat, ja varmistaa optimaaliset hiilivetyjen tuotanto-olosuhteet.<\/li><li><strong>Makean veden luonnonvarojen suojelu<\/strong> - Suojaamaan matalia makean veden pohjavesikerroksia syvemm\u00e4ll\u00e4 olevan \u00f6ljyn, kaasun, suolaveden tai muiden muodostumisnesteiden aiheuttamalta saastumiselta.<\/li><li><strong>Tuotantomahdollisuuksien parantaminen<\/strong> - Luodaan turvallinen kaivorakenne tulevia stimulaatiok\u00e4sittelyj\u00e4, kuten happamoitumista ja hydraulista murtamista, varten tuotannon lis\u00e4\u00e4miseksi.<\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c843741 elementor-widget elementor-widget-heading\" data-id=\"c843741\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sementointitekniikan soveltaminen Ven\u00e4j\u00e4ll\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-947b9aa e-flex e-con-boxed e-con e-parent\" data-id=\"947b9aa\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d1eaac0 elementor-widget elementor-widget-text-editor\" data-id=\"d1eaac0\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul><li>Viime vuosina Ven\u00e4j\u00e4n \u00f6ljykenttien vaippavahingot ovat nousseet voimakkaasti. <strong>17%-38%<\/strong>, mink\u00e4 seurauksena vuotuinen tuotantotappio on noin <strong>7,6-16,6 miljoonaa tonnia<\/strong> \u00f6ljy\u00e4. Vuonna 2015, <strong>Rosneft<\/strong> raportoitu noin <strong>1 900 vaurioitunutta kaivoa<\/strong>, mik\u00e4 johtaa kumulatiiviseen tappioon, joka on <strong>9,01 miljoonaa tonnia<\/strong>, kun taas <strong>Tatneft<\/strong> dokumentoitu l\u00e4hes <strong>800 saastunutta kaivoa<\/strong>ja v\u00e4hent\u00e4\u00e4 tuotantoa <strong>1,09 miljoonaa tonnia. <\/strong>Kahdeksassa suuressa \u00f6ljy-yhti\u00f6ss\u00e4 vaippavikojen m\u00e4\u00e4r\u00e4 vaihteli v\u00e4lill\u00e4 <strong>1,78%-4,13%<\/strong>.<\/li><li>T\u00e4rkein vastatoimi on <strong>parannettu kaivon sementointi<\/strong>, kuten on osoitettu <strong>Romashkinon kentt\u00e4<\/strong>, joka toimii <strong>40 000 tuotantokaivoa<\/strong>, <strong>70%, joista yli 30 vuotta vanhoja.<\/strong>. Yleisi\u00e4 kotelovaurioita ovat <strong>korroosio ja rei'itys<\/strong>, kun keskim\u00e4\u00e4r\u00e4inen ulkoinen korroosionopeus on <strong>0,8-1,2 mm\/vuosi<\/strong> ja sis\u00e4inen korroosio <strong>0,9-1,5 mm\/vuosi<\/strong>.<\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ebab2c elementor-widget elementor-widget-image\" data-id=\"9ebab2c\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1024x682.jpg\" class=\"attachment-large size-large wp-image-21513\" alt=\"Pingviiniparvi . Etel\u00e4mantereen vuoret\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1024x682.jpg 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-300x200.jpg 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-768x512.jpg 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-1536x1024.jpg 1536w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains-18x12.jpg 18w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/a-flock-of-penguins-antarctic-mountains.jpg 2000w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a54d643 elementor-widget elementor-widget-heading\" data-id=\"a54d643\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Miten parantaa \u00f6ljyl\u00e4hteen sementoinnin tehokkuutta?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7da7e8 elementor-widget elementor-widget-text-editor\" data-id=\"d7da7e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ol class=\"list-number1\" start=\"1\"><li class=\"ace-line ace-line old-record-id-NLr7duCSqoSUA4xMpR1c09Wnnib\" data-list=\"number\"><div>Kehittynyt sementin sijoittelutekniikka<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-TZLgd8S2oo02nkxsWUDc6DEMnhx\" data-list=\"bullet\"><div>K\u00e4yt\u00e4 keskitinlaitteita ja putkien liikuttelua (kierto\/palautus) mutakanavien poistamiseksi ja sementin tasaisen peitt\u00e4vyyden parantamiseksi.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Qq8adJgi0oia04xJNtvcHUqNnBb\" data-list=\"bullet\"><div>Hy\u00f6dynnet\u00e4\u00e4n CFD-simulaatioita (Computational Fluid Dynamics) sementin siirtymisen tehokkuuden ennustamiseksi ja optimoimiseksi.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-N6Wxdf0Lro3I5DxU4vjc1Oj0nKc\" data-list=\"number\"><div>Vankat vy\u00f6hykkeelliset eristysmenetelm\u00e4t<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-UxeEdf14JoQOaQx5t0Vcrd1gn5g\" data-list=\"bullet\"><div>Toteuta monivaiheinen sementointi korkeapaineisia tai k\u00f6yhtyneit\u00e4 vy\u00f6hykkeit\u00e4 varten.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Pn2OdJ7mpoIqFLxeQdvcs00Mnjd\" data-list=\"bullet\"><div>Levit\u00e4 laajenevia kotelolaastareita tai hartsij\u00e4rjestelmi\u00e4 kriittisiss\u00e4 v\u00e4leiss\u00e4.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-HL2yduQ5lobRxNxtzJpcP1lmn5d\" data-list=\"number\"><div>Reaaliaikainen seuranta ja arviointi<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-GSZsdei4bo0H0QxCoLvcU4S2ncf\" data-list=\"bullet\"><div>K\u00e4yt\u00e4 akustisia ja paineantureita havaitsemaan mikroannuuleja tai heikkoja kohtia.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PsCqdJoqmokOcqxmshZcFUuxnty\" data-list=\"bullet\"><div>Suorita ultra\u00e4\u00e4nikuvaus (CBL\/VDL-lokit) sementoinnin j\u00e4lkeen laadun arvioimiseksi.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-G9dBdqWijoXBeBxYZ5gcZOp9nCc\" data-list=\"number\"><div>Korroosion- ja kemikaalienkest\u00e4vyyden toimenpiteet<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-G2JCdwy8NoDZQwxed1Cce10snS4\" data-list=\"bullet\"><div>Sis\u00e4llyt\u00e4 H\u2082S-pelkist\u00e4vi\u00e4 lis\u00e4aineita tai epoksipinnoitettua vaippaa happamissa ymp\u00e4rist\u00f6iss\u00e4.<\/div><\/li><li class=\"ace-line ace-line old-record-id-V8UUdqZ0VoRg2Rx89Vuc13ejnvd\" data-list=\"bullet\"><div>Levit\u00e4 sinkki- tai alumiinipohjaisia pinnoitteita s\u00e4hk\u00f6kemiallisen hajoamisen lievent\u00e4miseksi.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-MJQ8dwVUyoonalx3MoAcH5tMnUG\" data-list=\"number\"><div>Tarkka lietteen suunnittelu ja materiaalin optimointi<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-IXsQdHnego2ARWxhz37cwUTTnpb\" data-list=\"bullet\"><div>K\u00e4yt\u00e4 r\u00e4\u00e4t\u00e4l\u00f6ityj\u00e4 sementtivalmisteita, joissa on laadukkaita lis\u00e4aineita reologian, lujuuden ja kovettumisajan parantamiseksi.<\/div><\/li><li class=\"ace-line ace-line old-record-id-ZkWgdb2qmojJrSx9ERhc3PgDnEf\" data-list=\"bullet\"><div>Parantaa nesteh\u00e4vi\u00f6iden hallintaa kaasun siirtymisen est\u00e4miseksi ja asianmukaisen liimautumisen varmistamiseksi.<\/div><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9091406 elementor-widget elementor-widget-heading\" data-id=\"9091406\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mit\u00e4 lis\u00e4aineita voidaan k\u00e4ytt\u00e4\u00e4 \u00f6ljyl\u00e4hteiden sementoinnissa?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b614e8 elementor-widget elementor-widget-heading\" data-id=\"5b614e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">1. Dispergointiaine ja kitkan v\u00e4hent\u00e4j\u00e4<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e488fc4 elementor-widget elementor-widget-text-editor\" data-id=\"e488fc4\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>Kun savihiukkaset ja porausj\u00e4tteet saavuttavat kriittiset pitoisuudet porausnesteiss\u00e4, ne muodostavat kolmiulotteisen verkkorakenteen. Ilmi\u00f6 pahenee erityisesti suolakipsimuodostumissa, joissa muodostumisveteen liuenneet elektrolyytit (erityisesti moniarvoiset kationit) voimistavat rakenteen kehittymist\u00e4 ja heikent\u00e4v\u00e4t merkitt\u00e4v\u00e4sti nesteen liikkuvuutta. Dispergointiaineet toimivat purkamalla n\u00e4it\u00e4 verkostomatriiseja ja vapauttamalla sidottua vett\u00e4 viskositeetin ja saantopisteen alentamiseksi.<\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-85a1ce6 e-flex e-con-boxed e-con e-parent\" data-id=\"85a1ce6\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-758ea3c e-con-full e-flex e-con e-child\" data-id=\"758ea3c\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01171c1 elementor-widget elementor-widget-text-editor\" data-id=\"01171c1\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Ratkaisumme: <a href=\"https:\/\/landu-china.com\/fi\/polykarboksylaatti-superplastisointiainejauhe-pce\/\" target=\"_blank\" rel=\"noopener\">Polykarboksylaatti Superplastifikaattori<\/a><\/strong><\/em><\/p><p>Meid\u00e4n <a href=\"https:\/\/landu-china.com\/fi\/polykarboksylaatti-superplastisointiainejauhe-pce\/\" target=\"_blank\" rel=\"noopener\">NOVASTAR Polykarboksylaatti-polymeerimassan pehmitin<\/a> on tehokas veden v\u00e4hent\u00e4j\u00e4 ja dispergointiaine, jota k\u00e4ytet\u00e4\u00e4n sementtilaastin ominaisuuksien optimointiin. Se on yksi synteettisist\u00e4 polymeerisist\u00e4 dispergointiaineista, ja se tarjoaa ylivoimaisen tehokkuuden seuraavissa n\u00e4k\u00f6kohdissa:<\/p><ol><li>Sementtihiukkasten hajonta<br \/>- V\u00e4hent\u00e4\u00e4 lietteen koostumusta 35-50% verrattuna k\u00e4sittelem\u00e4tt\u00f6miin j\u00e4rjestelmiin.<br \/>- Parantaa reologisia parametreja: alentaa plastista viskositeettia 40-60%:ll\u00e4 s\u00e4ilytt\u00e4en samalla optimaalisen saantopisteen.<\/li><li>L\u00e4mp\u00f6tilan sopeutumiskyky<br \/>- Tehokas suorituskykyspektri: 30\u00b0C - 180\u00b0C (86\u00b0F - 356\u00b0F).<br \/>- S\u00e4ilytt\u00e4\u00e4 dispersion stabiilisuuden l\u00e4mp\u00f6kierto-olosuhteissa.<\/li><li>Suolan sietokyky<br \/>- Toimii johdonmukaisesti 5-10% NaCl-ymp\u00e4rist\u00f6iss\u00e4.<br \/>- Yhteensopiva eri vesil\u00e4hteiden kanssa ilman puhtausvaatimuksia.<\/li><li>Yhteensopivuusprofiili<br \/>- Synergistinen kaikkien API-luokan sementin lis\u00e4aineiden kanssa.<br \/>- Ei haitallisia yhteisvaikutuksia nesteh\u00e4vi\u00f6n s\u00e4\u00e4t\u00f6aineiden\/ hidastimien\/ vaahdonestoaineiden kanssa.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d774f3 e-con-full e-flex e-con e-child\" data-id=\"6d774f3\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff971be elementor-widget elementor-widget-image\" data-id=\"ff971be\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp\" class=\"attachment-large size-large wp-image-19104\" alt=\"PCE\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d.webp 800w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-300x200.webp 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/11\/DSC4280-\u62f7\u8d1d-768x512.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a30c54 elementor-widget elementor-widget-heading\" data-id=\"8a30c54\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">2.   Sementin nesteh\u00e4vi\u00f6n hallinnan lis\u00e4aine<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3f0f472 e-flex e-con-boxed e-con e-parent\" data-id=\"3f0f472\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2e5df22 elementor-widget elementor-widget-text-editor\" data-id=\"2e5df22\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div>Nesteh\u00e4vi\u00f6lis\u00e4aineet (FLA) ovat ratkaisevan t\u00e4rkeit\u00e4 suodatush\u00e4vi\u00f6n minimoimiseksi sementtilietteiss\u00e4, ja niill\u00e4 on kolme ensisijaista tarkoitusta:<\/div><ol><li style=\"list-style-type: none;\"><ol class=\"list-number4\"><li class=\"ace-line ace-line old-record-id-WT8xdgBe1o8Jzhxd8qxcDOUnnLb\" data-list=\"number\"><div>Ennenaikaisen kuivumisen est\u00e4minen l\u00e4p\u00e4iseviss\u00e4 muodostumissa on erityisen kriittist\u00e4 vuorauksen sementoinnin aikana.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SnHvdNPj6o2EmuxoGgtcHvw1nRh\" data-list=\"number\"><div>Vesiherkkien muodostumien suojaaminen nesteen tunkeutumisen aiheuttamilta vaurioilta.<\/div><\/li><li class=\"ace-line ace-line old-record-id-L3JCdJeTTo36oJxtJyrcKE5mnb9\" data-list=\"number\"><div>Parannetaan puristussementoinnin tehokkuutta s\u00e4ilytt\u00e4m\u00e4ll\u00e4 lietteen eheys korkeissa paine-eroissa.<\/div><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2c45358 e-con-full e-flex e-con e-child\" data-id=\"2c45358\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8bf00e elementor-widget elementor-widget-image\" data-id=\"d8bf00e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.jpg\" class=\"attachment-large size-large wp-image-21522\" alt=\"\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1024x683.jpg 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-300x200.jpg 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-768x512.jpg 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-1536x1024.jpg 1536w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose-18x12.jpg 18w, https:\/\/landu-china.com\/wp-content\/uploads\/2025\/03\/HPMC-Hydroxypropyl-Methyl-Cellulose.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c1b1fb elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1c1b1fb\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Lippulaivamme monitoiminen nesteh\u00e4vi\u00f6lis\u00e4aine: <a href=\"https:\/\/landu-china.com\/fi\/hydroksipropyylimetyyliselluloosa-hpmc\/\" target=\"_blank\" rel=\"noopener\">HPMC<\/a><\/strong><\/em><\/p><p>LANDERCOLL HPMC on modifioitu selluloosaeetteri, jota k\u00e4ytet\u00e4\u00e4n laajalti vett\u00e4 v\u00e4hent\u00e4v\u00e4n\u00e4 aineena. Vesiliukoisena polymeerin\u00e4 se auttaa vakauttamaan porauslietteit\u00e4 v\u00e4hent\u00e4m\u00e4ll\u00e4 nesteh\u00e4vi\u00f6t\u00e4 l\u00e4p\u00e4iseviin muodostumiin ja s\u00e4ilytt\u00e4m\u00e4ll\u00e4 samalla reologiset ominaisuudet. LANDU tarjoaa erilaisia HPMC:t\u00e4 sementointisovelluksiin, mukaan lukien:<\/p><ol><li>HPMC matalan tiheyden j\u00e4rjestelmi\u00e4 varten<br \/>- Kehitetty erityisesti hauraille muodostumille ja hukkakiertovy\u00f6hykkeille.<br \/>- S\u00e4ilytt\u00e4\u00e4 erinomaisen nestehukan hallinnan (&lt;50 ml\/30 min) niinkin alhaisilla tiheyksill\u00e4 kuin 1,20 SG.<\/li><li>HPMC korkean tiheyden sovelluksiin<br \/>- Optimoitu HPHT-l\u00e4hteit\u00e4 ja syv\u00e4n veden ymp\u00e4rist\u00f6j\u00e4 varten.<br \/>- Saavuttaa &lt;30 ml\/30min nesteh\u00e4vi\u00f6n lietteen tiheydell\u00e4 jopa 2,60 SG.<\/li><li>HPMC tavanomaisen tiheyden lietteit\u00e4 varten<br \/>- Yleisratkaisu useimpiin tavanomaisiin sementointitoimenpiteisiin.<br \/>- Tarjoaa luotettavan &lt;50mL\/30min API-nesteh\u00e4vi\u00f6n hallinnan.<\/li><li>HPMC meriveden sekoitussovelluksiin<br \/>- Korroosionkest\u00e4v\u00e4 koostumus offshore-toimintaa varten.<br \/>- S\u00e4ilytt\u00e4\u00e4 vakaan suorituskyvyn korkean suolapitoisuuden ymp\u00e4rist\u00f6iss\u00e4.<\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-019ec2f elementor-widget elementor-widget-heading\" data-id=\"019ec2f\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/landu-china.com\/fi\/kipsin-hidastin-toimittaja\/\" target=\"_blank\">3.  Sementti\/kipsi hidastin<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4291300 elementor-widget elementor-widget-text-editor\" data-id=\"4291300\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div class=\"ace-line ace-line old-record-id-XbRwdBmG5o3Renxu4V4cBLtBn4j\">Ihanteellinen sementin hidastin pident\u00e4\u00e4 ja yll\u00e4pit\u00e4\u00e4 tehokkaasti lietteen nestem\u00e4ist\u00e4 tilaa ja pumpattavuutta. Parhailla hidastimilla on seuraavat ominaisuudet:<\/div><ol class=\"list-number3\"><li style=\"list-style-type: none;\"><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-AcgFdvh2moY613xqdCDcqekhnvc\" data-list=\"bullet\"><div>Laaja sopeutumiskyky l\u00e4mp\u00f6tiloihin: Tasainen suorituskyky vaihtelevissa reik\u00e4olosuhteissa.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YZiSdEWbLoPQlUxo9H7cbudrn1e\" data-list=\"bullet\"><div>Annokseen suhteutettu sakeutumisaika: Ennustettavissa oleva hidastuminen pitoisuuden perusteella.<\/div><\/li><li class=\"ace-line ace-line old-record-id-XWTrd305UouHYrxPjWYc2pcvnNf\" data-list=\"bullet\"><div>Yhteensopivuus: Harmoninen vuorovaikutus kaikentyyppisten \u00f6ljyl\u00e4hteiden sementtien ja lis\u00e4aineiden kanssa ilman haitallisia vaikutuksia:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-YQRtdugc9ow93rxNCaicnfNln1b\" data-list=\"bullet\"><div>Viskositeetin kertyminen<\/div><\/li><li class=\"ace-line ace-line old-record-id-DCJSdqfXHoTv7qxzhEucQeFcnAd\" data-list=\"bullet\"><div>Tiksotrooppinen geeliytyminen<\/div><\/li><li class=\"ace-line ace-line old-record-id-WGcdd22eRoL3vMxunIRcGAj7n9e\" data-list=\"bullet\"><div>Puristuslujuuden kehitys<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-ZS4Fdl08IoXUT1x0tQDchP3KnXJ\" data-list=\"bullet\"><div>Hallittavissa oleva suorituskyky: Luotettava sakeutumisaikaennuste ja toistettavuus.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JhLDdKelmoFiCBxEurscC3nFnIh\" data-list=\"bullet\"><div>Turvallisuus- ja ymp\u00e4rist\u00f6vaatimusten noudattaminen: Myrkyt\u00f6n, syttym\u00e4t\u00f6n, saasteeton ja saastumisen kest\u00e4v\u00e4.<\/div><\/li><\/ol><\/li><\/ol><h3 class=\"heading-3 ace-line old-record-id-StoZdaSWRofZ2Kx1yyhc6Lkmnpb\">\u00a0\u00a0\u00a0\u00a0Yleisten hidastimien vertaileva analyysi<\/h3><ol><li style=\"list-style-type: none;\"><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-VqHxdtCYXoPdLhxBo7QcVDnPnuh\" data-list=\"number\"><div>Sitruunahappo &amp; natriumsitraatti<\/div><\/li><li class=\"ace-line ace-line old-record-id-TZ2adujBRoLh3RxZstwcfW9gn0e\" data-list=\"bullet\"><div>Ensisijainen teht\u00e4v\u00e4: Hidastava vaikutus (liev\u00e4 vaikutus), jolla on toissijainen dispergointikyky.<\/div><\/li><li class=\"ace-line ace-line old-record-id-NKEpd5OMlovlbXxi4lccc5BonBe\" data-list=\"bullet\"><div>Annosherkkyys:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-Tmiwdz8lHoLobfxcC1KcrLWAnId\" data-list=\"bullet\"><div>Pienin efektiivinen annos: 0,5% BWOC (t\u00e4m\u00e4n kynnysarvon alapuolella voi nopeuttaa asetusta).<\/div><\/li><li class=\"ace-line ace-line old-record-id-NZcYdpKSMoxKZkxIpwoccqEAnAh\" data-list=\"bullet\"><div>Optimaalinen annosalue: Vakaa hidastuminen kriittisen pitoisuuden yl\u00e4puolella ja minimaalinen herkkyys pienille vaihteluille.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-L4T2d5mC1orCPGxJxlGcvKKWneB\" data-list=\"bullet\"><div>Rajoitukset:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-BMHOdUY75o8rd4xGILBcPB2Kngc\" data-list=\"bullet\"><div>Heikompi dispergointivaikutus verrattuna erikoistuneisiin dispergointiaineisiin.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YHx2dMO7ho2j92xXuTBciglfn3f\" data-list=\"bullet\"><div>Suorituskyky vaihtelee merkitt\u00e4v\u00e4sti sementtiluokan mukaan.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-YdSEdBkEeojQHlxwRBhc2Upcnoh\" data-list=\"number\"><div>Viinihappo ja kaliumnatriumtartraatti (Rochelle-suola)<\/div><\/li><li class=\"ace-line ace-line old-record-id-X85Dd7VQSoMJ50xyeRTc58lMnxg\" data-list=\"bullet\"><div>T\u00e4rkeimm\u00e4t ominaisuudet:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-WcgedFn4uoncnExk0CRcB08Lnoe\" data-list=\"bullet\"><div>Poikkeuksellisen hyv\u00e4 hidastuvuus korkeissa l\u00e4mp\u00f6tiloissa (jopa 180\u00b0C+).<\/div><\/li><li class=\"ace-line ace-line old-record-id-Tsrndpb4PosCPrx6etWchr2Pnnh\" data-list=\"bullet\"><div>Liev\u00e4 dispergointivaikutus (t\u00e4ydent\u00e4\u00e4 reologista parannusta).<\/div><\/li><li class=\"ace-line ace-line old-record-id-ChQHdAwg7ojt23xljoAccFnynXd\" data-list=\"bullet\"><div>Ei lujuuden heikkenemist\u00e4 sementiss\u00e4.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-FLg4dXT4toLZPRxgTjocnEOFnUg\" data-list=\"bullet\"><div>K\u00e4yt\u00e4nn\u00f6n haasteet:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-LikXd9y8Do1adExZEx3cs0ken0e\" data-list=\"bullet\"><div>Lis\u00e4\u00e4ntynyt vapaa vesi- ja nesteh\u00e4vi\u00f6 - edellytt\u00e4\u00e4 nesteh\u00e4vi\u00f6lis\u00e4aineiden (FLA) k\u00e4ytt\u00f6\u00e4.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SvludXB38o2DHAxu80IcZKNgnng\" data-list=\"bullet\"><div>Suuri herkkyys em\u00e4ksiselle kontaminaatiolle voi johtaa arvaamattomaan kovettumisk\u00e4ytt\u00e4ytymiseen, mik\u00e4 tekee siit\u00e4 v\u00e4hemm\u00e4n suosittua kentt\u00e4ty\u00f6ss\u00e4.<\/div><\/li><\/ul><\/li><\/ol><\/li><\/ol><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-01b63d7 e-con-full e-flex e-con e-child\" data-id=\"01b63d7\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ab2180a elementor-widget elementor-widget-image\" data-id=\"ab2180a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"333\" src=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-1024x426.webp\" class=\"attachment-large size-large wp-image-14924\" alt=\"\" srcset=\"https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-1024x426.webp 1024w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-300x125.webp 300w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER-768x320.webp 768w, https:\/\/landu-china.com\/wp-content\/uploads\/2024\/10\/GYPSUM-RETARDER.webp 1442w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-318e653 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"318e653\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Suosituksemme: <a href=\"https:\/\/landu-china.com\/fi\/kipsin-hidastin-toimittaja\/\" target=\"_blank\" rel=\"noopener\">Aminopohjainen hidastin<\/a><\/strong><\/em><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ol class=\"list-number1\" start=\"1\"><li class=\"ace-line ace-line old-record-id-FGPqdSbbEo8YdrxqMAMcU98DnVb\" data-list=\"number\"><div><strong>Aminopohjainen <\/strong><strong>Hidastin<\/strong> on erikoistunut kemiallinen lis\u00e4aine, jota k\u00e4ytet\u00e4\u00e4n <strong>viiv\u00e4stytt\u00e4\u00e4 sementtilietteiden kovettumista<\/strong> hidastamalla portlandsementin hydrataatioreaktioita. N\u00e4m\u00e4 hidastimet ovat erityisen arvokkaita <strong>syv\u00e4t, korkeal\u00e4mp\u00f6tilaiset (HT\/HPHT) kaivot<\/strong>, jossa tavanomaiset hidastimet (esim. lignosulfonaatit tai orgaaniset hapot) voivat hajota tai tulla tehottomiksi.<\/div><\/li><\/ol><p><strong>Hidastumisen mekanismi<\/strong><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-QEtudSXQtoCrLqx1roTcCinTnHf\" data-list=\"bullet\"><div><strong>Kelaatio ja adsorptio<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-Iew6dZaBOoIvoZxrAP4c5td8nrb\" data-list=\"bullet\"><div>Aminoryhm\u00e4t (-NH\u2082, -NH-) muodostavat komplekseja seuraavien aineiden kanssa <strong>Ca\u00b2\u207a-ionit<\/strong> sementiss\u00e4, mik\u00e4 est\u00e4\u00e4 sementin muodostumista <strong>C-S-H (<\/strong><strong>kalsiumsilikaatti<\/strong><strong> hydraatti) <\/strong><strong>geeli<\/strong>, mik\u00e4 on sementin kovettumisen kannalta ratkaisevan t\u00e4rke\u00e4\u00e4.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PvJGdxb96oiziwxyACiclQxvnSF\" data-list=\"bullet\"><div>Adsorboituu sementtihiukkasten pinnoille, jolloin syntyy <strong>este<\/strong> joka hidastaa veden tunkeutumista ja kosteutumista.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" data-list=\"bullet\"><div><strong>pH-herkk\u00e4 toiminta<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-AUI0dMsajoDdh4xSjmVcBk4znSc\" data-list=\"bullet\"><div>Tehokkaampi <strong>em\u00e4ksiset olosuhteet<\/strong> (tyypillist\u00e4 sementtilietteille, pH ~12-13).<\/div><\/li><\/ul><\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c63000 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"0c63000\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><em><strong>Edut perinteisiin hidastimiin verrattuna<\/strong><\/em><\/p><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><div data-page-id=\"NU6NdPhnTokRFTx85WOcTMHLnAh\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\"><ul class=\"list-bullet1\"><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" style=\"list-style-type: none;\" data-list=\"bullet\">\u00a0<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-59aae18 elementor-widget elementor-widget-html\" data-id=\"59aae18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<table style=\"border-collapse: collapse;\">\r\n  <tr>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">OMAISUUS<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">AMINOPOHJAINEN HIDASTIN<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">LIGNOSULFONAATIT<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">ORGAANISET HAPOT (ESIM. SITRUUNA-\/GLUKONIHAPPO)<\/th>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">KORKEAN L\u00c4MP\u00d6TILAN VAKAUS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">JOPA 250+\u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">HAJOAA &gt;120\u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">HAJOAA &gt;150\u00b0C<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">ANNOSTELUN TEHOKKUUS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">ALHAINEN (0,1-0,5% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">KORKEA (0,5-2% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">KOHTALAINEN (0.3-1% BWOC)<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SUOLAN SIETOKYKY<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">ERINOMAINEN<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">POOR<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MODERATE<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">LIETTEEN YHTEENSOPIVUUS<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">TOIMII USEIMPIEN LIS\u00c4AINEIDEN KANSSA<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">VOI H\u00c4IRIT\u00c4 DISPERGOINTIAINEIDEN K\u00c4YTT\u00d6\u00c4<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">HERKK\u00c4 pH:n muutoksille<\/td>\r\n  <\/tr>\r\n<\/table>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-718fb18 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"718fb18\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47af679 elementor-share-buttons--shape-rounded elementor-grid-4 elementor-grid-mobile-2 elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"47af679\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Jaa facebookissa\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-facebook\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M504 256C504 119 393 8 256 8S8 119 8 256c0 123.78 90.69 226.38 209.25 245V327.69h-63V256h63v-54.64c0-62.15 37-96.48 93.67-96.48 27.14 0 55.52 4.84 55.52 4.84v61h-31.28c-30.8 0-40.41 19.12-40.41 38.73V256h68.78l-11 71.69h-57.78V501C413.31 482.38 504 379.78 504 256z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tFacebook\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Jaa Twitteriss\u00e4\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-twitter\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M459.37 151.716c.325 4.548.325 9.097.325 13.645 0 138.72-105.583 298.558-298.558 298.558-59.452 0-114.68-17.219-161.137-47.106 8.447.974 16.568 1.299 25.34 1.299 49.055 0 94.213-16.568 130.274-44.832-46.132-.975-84.792-31.188-98.112-72.772 6.498.974 12.995 1.624 19.818 1.624 9.421 0 18.843-1.3 27.614-3.573-48.081-9.747-84.143-51.98-84.143-102.985v-1.299c13.969 7.797 30.214 12.67 47.431 13.319-28.264-18.843-46.781-51.005-46.781-87.391 0-19.492 5.197-37.36 14.294-52.954 51.655 63.675 129.3 105.258 216.365 109.807-1.624-7.797-2.599-15.918-2.599-24.04 0-57.828 46.782-104.934 104.934-104.934 30.213 0 57.502 12.67 76.67 33.137 23.715-4.548 46.456-13.32 66.599-25.34-7.798 24.366-24.366 44.833-46.132 57.827 21.117-2.273 41.584-8.122 60.426-16.243-14.292 20.791-32.161 39.308-52.628 54.253z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTwitter\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Jaa LinkedIniss\u00e4\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-linkedin\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 32H31.9C14.3 32 0 46.5 0 64.3v383.4C0 465.5 14.3 480 31.9 480H416c17.6 0 32-14.5 32-32.3V64.3c0-17.8-14.4-32.3-32-32.3zM135.4 416H69V202.2h66.5V416zm-33.2-243c-21.3 0-38.5-17.3-38.5-38.5S80.9 96 102.2 96c21.2 0 38.5 17.3 38.5 38.5 0 21.3-17.2 38.5-38.5 38.5zm282.1 243h-66.4V312c0-24.8-.5-56.7-34.5-56.7-34.6 0-39.9 27-39.9 54.9V416h-66.4V202.2h63.7v29.2h.9c8.9-16.8 30.6-34.5 62.9-34.5 67.2 0 79.7 44.3 79.7 101.9V416z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_telegram\" role=\"button\" tabindex=\"0\" aria-label=\"Jaa telegramissa\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg class=\"e-font-icon-svg e-fab-telegram\" viewbox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 8C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm121.8 169.9l-40.7 191.8c-3 13.6-11.1 16.9-22.4 10.5l-62-45.7-29.9 28.8c-3.3 3.3-6.1 6.1-12.5 6.1l4.4-63.1 114.9-103.8c5-4.4-1.1-6.9-7.7-2.5l-142 89.4-61.2-19.1c-13.3-4.2-13.6-13.3 2.8-19.7l239.1-92.2c11.1-4 20.8 2.7 17.2 19.5z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTelegrammi\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9e8fcf0 elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-invisible\" data-id=\"9e8fcf0\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0af88b8\" data-id=\"0af88b8\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ffd5ff elementor-widget elementor-widget-heading\" data-id=\"6ffd5ff\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Ota meihin yhteytt\u00e4 &amp; hanki ilmaisia n\u00e4ytteit\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c66d934 elementor-widget elementor-widget-text-editor\" data-id=\"c66d934\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOta yhteytt\u00e4 minuun saadaksesi viimeisimm\u00e4n tarjouksen tai pyyt\u00e4\u00e4ksesi n\u00e4ytteen (n\u00e4ytteemme ovat ilmaisia ja sis\u00e4lt\u00e4v\u00e4t toimituksen).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ca311cc elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"ca311cc\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"21518\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"ca311cc\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tNimi\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nimi\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_f418624 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_f418624\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPuhelin\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_f418624]\" id=\"form-field-field_f418624\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Puhelin\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Vain numerot ja puhelinmerkit (#, -, * jne.) hyv\u00e4ksyt\u00e4\u00e4n.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tS\u00e4hk\u00f6posti\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"S\u00e4hk\u00f6posti\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Ota meihin yhteytt\u00e4 v\u00e4litt\u00f6m\u00e4sti<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fi\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/main>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-34618f0\" data-id=\"34618f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5cb5173 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5cb5173\" data-element_type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-603fd00\" data-id=\"603fd00\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-237e243 elementor-widget elementor-widget-heading\" data-id=\"237e243\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Esite<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46b5b40 elementor-widget elementor-widget-text-editor\" data-id=\"46b5b40\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Jos haluat lis\u00e4tietoja, kuten tuotesertifiointiraportteja, laatuanalyysej\u00e4, TDS- ja MSDS-tietoja, lataa esitteemme.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-282ef89 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"282ef89\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjE1MTkiLCJ0b2dnbGUiOmZhbHNlfQ%3D%3D\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Lataa esite<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-c328c37 elementor-search-form--skin-classic elementor-search-form--button-type-icon elementor-search-form--icon-search elementor-widget elementor-widget-search-form\" data-id=\"c328c37\" data-element_type=\"widget\" data-settings=\"{&quot;skin&quot;:&quot;classic&quot;,&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"search-form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<search role=\"search\">\n\t\t\t<form class=\"elementor-search-form\" action=\"https:\/\/landu-china.com\/fi\/\" method=\"get\" data-trp-original-action=\"https:\/\/landu-china.com\/fi\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-search-form__container\">\n\t\t\t\t\t<label class=\"elementor-screen-only\" for=\"elementor-search-form-c328c37\">Etsi<\/label>\n\n\t\t\t\t\t\n\t\t\t\t\t<input id=\"elementor-search-form-c328c37\" placeholder=\"Etsi...\" class=\"elementor-search-form__input\" type=\"search\" name=\"s\" value=\"\">\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<button class=\"elementor-search-form__submit\" type=\"submit\" aria-label=\"Etsi\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"e-font-icon-svg-container\"><svg class=\"fa fa-search e-font-icon-svg e-fas-search\" viewbox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M505 442.7L405.3 343c-4.5-4.5-10.6-7-17-7H372c27.6-35.3 44-79.7 44-128C416 93.1 322.9 0 208 0S0 93.1 0 208s93.1 208 208 208c48.3 0 92.7-16.4 128-44v16.3c0 6.4 2.5 12.5 7 17l99.7 99.7c9.4 9.4 24.6 9.4 33.9 0l28.3-28.3c9.4-9.4 9.4-24.6.1-34zM208 336c-70.7 0-128-57.2-128-128 0-70.7 57.2-128 128-128 70.7 0 128 57.2 128 128 0 70.7-57.2 128-128 128z\"><\/path><\/svg><\/div>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/button>\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fi\"\/><\/form>\n\t\t<\/search>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-136f28a e-con-full e-flex e-con e-child\" data-id=\"136f28a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e05ee52 elementor-widget elementor-widget-heading\" data-id=\"e05ee52\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tuotteet Kategoriat<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-23fcde2 elementor-align-left elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"23fcde2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/tuotteet\/maa-koll-selluloosa\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Landercoll-selluloosa<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/tuotteet\/tarkka-uudelleen-dispergoituva-polymeerijauhe\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Tarkka VAE-RDP<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/tuotteet\/novastar\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">NovaStar Chemicals<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/tuotteet\/elintarvikelisaaineet\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">M\u00e4\u00e4rittele elintarvikekemikaali<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/tuotteet\/uquick-farmaseuttiset-valituotteet\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Uquick Pharmaceutical Chemical<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-677b63d e-con-full e-flex e-con e-child\" data-id=\"677b63d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-225a861 elementor-widget elementor-widget-heading\" data-id=\"225a861\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Markkinat &amp; ratkaisut<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ded0f19 elementor-align-left elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"ded0f19\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/markkinat\/rakentaminen-2\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Rakennuskemikaalit<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/markkinat\/henkilokohtainen-kotihoito\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Henkil\u00f6kohtainen &amp; kotihoito<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/markkinat\/laaketeollisuus\/\" target=\"_blank\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Farmaseuttiset v\u00e4lituotteet<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/markkinat\/elintarvike-ja-juomateollisuus\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Elintarvikelis\u00e4aineet<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/landu-china.com\/fi\/markkinat\/lisaa-markkinoita\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Lis\u00e4\u00e4 markkinoita<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f5a091 elementor-widget elementor-widget-table-of-contents\" data-id=\"5f5a091\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;container&quot;:&quot;main&quot;,&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-chevron-right&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-chevron-right\\&quot; viewBox=\\&quot;0 0 320 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M285.476 272.971L91.132 467.314c-9.373 9.373-24.569 9.373-33.941 0l-22.667-22.667c-9.357-9.357-9.375-24.522-.04-33.901L188.505 256 34.484 101.255c-9.335-9.379-9.317-24.544.04-33.901l22.667-22.667c9.373-9.373 24.569-9.373 33.941 0L285.475 239.03c9.373 9.372 9.373 24.568.001 33.941z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;motion_fx_motion_fx_mouse&quot;:&quot;yes&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;ekit_we_effect_on&quot;:&quot;none&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h3 class=\"elementor-toc__header-title\">\n\t\t\t\tPikalinkit\t\t\t<\/h3>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__5f5a091\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Kehittyneet kemialliset lis\u00e4aineet \u00f6ljyl\u00e4hteen sementointitekniikassa Mit\u00e4 on \u00f6ljyl\u00e4hteen sementointi? \u00d6ljyl\u00e4hteen sementointi on prosessi, jossa vaippa asetetaan porausreik\u00e4\u00e4n ja sementti ruiskutetaan vaipan v\u00e4liseen rengasmaiseen tilaan. \u00d6ljynporausteollisuuden t\u00e4rke\u00e4n\u00e4 osana tuotantokaivojen sementointioperaatioita on tyypillisesti v\u00e4hint\u00e4\u00e4n kaksi [...].<\/p>","protected":false},"author":1,"featured_media":21519,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"_links":{"self":[{"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/posts\/21518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/comments?post=21518"}],"version-history":[{"count":11,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/posts\/21518\/revisions"}],"predecessor-version":[{"id":21532,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/posts\/21518\/revisions\/21532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/media\/21519"}],"wp:attachment":[{"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/media?parent=21518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/categories?post=21518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/landu-china.com\/fi\/wp-json\/wp\/v2\/tags?post=21518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}