{"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":"pokrocile-chemicke-prisady-v-technologii-cementovani-ropnych-vrtu","status":"publish","type":"post","link":"https:\/\/landu-china.com\/cs\/pokrocile-chemicke-prisady-v-technologii-cementovani-ropnych-vrtu\/","title":{"rendered":"Pokro\u010dil\u00e9 chemick\u00e9 p\u0159\u00edsady v technologii cementace ropn\u00fdch vrt\u016f"},"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\">Pokro\u010dil\u00e9 chemick\u00e9 p\u0159\u00edsady v technologii cementace ropn\u00fdch vrt\u016f<\/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\/cs\/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 b\u0159ezna, 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\">Co je cementace ropn\u00fdch vrt\u016f?<\/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>Tmelen\u00ed ropn\u00fdch vrt\u016f je proces vkl\u00e1d\u00e1n\u00ed pa\u017enic do vrtu a vst\u0159ikov\u00e1n\u00ed cementu do prstencov\u00e9ho prostoru mezi pa\u017enicemi. Je to d\u016fle\u017eit\u00e1 sou\u010d\u00e1st ropn\u00e9ho pr\u016fmyslu, a proto se u t\u011b\u017eebn\u00edch vrt\u016f obvykle prov\u00e1d\u011bj\u00ed nejm\u00e9n\u011b dv\u011b cementace a u pr\u016fzkumn\u00fdch vrt\u016f a\u017e p\u011bt. Existuje 5 hlavn\u00edch \u00fa\u010del\u016f cementov\u00e1n\u00ed ropn\u00fdch vrt\u016f.<\/div><ol><li><strong>Stabilizace integrity vrtu<\/strong> - K izolaci nestabiln\u00edch nebo praskl\u00fdch formac\u00ed, zpevn\u011bn\u00ed vrtan\u00fdch \u00fasek\u016f a zaji\u0161t\u011bn\u00ed plynul\u00e9ho postupu vrt\u00e1n\u00ed.<\/li><li><strong>Podp\u016frn\u00e1 instalace hlavic vrt\u016f<\/strong> - Poskytnout z\u00e1klad pro syst\u00e9my prevence vyfukov\u00e1n\u00ed a udr\u017eovat spr\u00e1vn\u00fd zp\u011btn\u00fd tok bahna vyv\u00fd\u0161en\u00edm v\u00fdstupu vrtn\u00e9 kapaliny nad bahenn\u00ed j\u00edmku.<\/li><li><strong>Z\u00f3nov\u00e1 izolace<\/strong> - Zabra\u0148uje k\u0159\u00ed\u017eov\u00e9mu proud\u011bn\u00ed mezi vrstvami ropy, plynu a vody s r\u016fzn\u00fdmi tlaky, \u010d\u00edm\u017e zaji\u0161\u0165uje optim\u00e1ln\u00ed podm\u00ednky t\u011b\u017eby uhlovod\u00edk\u016f.<\/li><li><strong>Ochrana sladkovodn\u00edch zdroj\u016f<\/strong> - Chr\u00e1nit m\u011blk\u00e9 sladkovodn\u00ed vodonosn\u00e9 vrstvy p\u0159ed kontaminac\u00ed ropou, plynem, solankou nebo jin\u00fdmi kapalinami z hlub\u0161\u00edch vrstev.<\/li><li><strong>Zvy\u0161ov\u00e1n\u00ed v\u00fdrobn\u00edho potenci\u00e1lu<\/strong> - Vytvo\u0159en\u00ed bezpe\u010dn\u00e9 struktury vrtu pro budouc\u00ed stimula\u010dn\u00ed \u00fapravy, jako je okyselov\u00e1n\u00ed a hydraulick\u00e9 \u0161t\u011bpen\u00ed, s c\u00edlem zv\u00fd\u0161it t\u011b\u017ebu.<\/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\">Aplikace cement\u00e1\u0159sk\u00fdch technologi\u00ed v Rusku<\/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>V posledn\u00edch letech se po\u0161kozen\u00ed pl\u00e1\u0161t\u011b na rusk\u00fdch ropn\u00fdch pol\u00edch prudce zv\u00fd\u0161ilo z <strong>17% a\u017e 38%<\/strong>, co\u017e m\u00e1 za n\u00e1sledek ro\u010dn\u00ed ztr\u00e1tu produkce ve v\u00fd\u0161i p\u0159ibli\u017en\u011b <strong>7,6-16,6 milionu tun<\/strong> ropy. V roce 2015, <strong>Rosn\u011bf\u0165<\/strong> hl\u00e1\u0161eno kolem <strong>1 900 po\u0161kozen\u00fdch studn\u00ed<\/strong>, co\u017e vede ke kumulativn\u00ed ztr\u00e1t\u011b <strong>9,01 milionu tun<\/strong>, zat\u00edmco <strong>Tatn\u011bf\u0165<\/strong> zdokumentov\u00e1no t\u00e9m\u011b\u0159 <strong>800 posti\u017een\u00fdch vrt\u016f<\/strong>, \u010d\u00edm\u017e se sn\u00ed\u017e\u00ed produkce o <strong>1,09 milionu tun. <\/strong>V osmi velk\u00fdch ropn\u00fdch spole\u010dnostech se m\u00edra selh\u00e1n\u00ed pl\u00e1\u0161\u0165\u016f pohybovala v rozmez\u00ed od <strong>1.78% a\u017e 4.13%<\/strong>.<\/li><li>Kl\u00ed\u010dov\u00fdm protiopat\u0159en\u00edm je <strong>vylep\u0161en\u00e1 cementace vrt\u016f<\/strong>, jak je uvedeno v <strong>Romashkino Field<\/strong>, kter\u00e1 funguje p\u0159es <strong>40 000 produk\u010dn\u00edch vrt\u016f<\/strong>, <strong>70% z toho star\u0161\u00ed 30 let<\/strong>. Mezi b\u011b\u017en\u00e1 po\u0161kozen\u00ed sk\u0159\u00edn\u011b pat\u0159\u00ed <strong>koroze a perforace<\/strong>, s pr\u016fm\u011brnou rychlost\u00ed vn\u011bj\u0161\u00ed koroze <strong>0,8-1,2 mm\/rok<\/strong> a vnit\u0159n\u00ed koroze u <strong>0,9-1,5 mm\/rok<\/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=\"Hejno tu\u010d\u0148\u00e1k\u016f . Antarktick\u00e9 hory\" 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\">Jak zv\u00fd\u0161it \u00fa\u010dinnost cementace ropn\u00fdch vrt\u016f?<\/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>Pokro\u010dil\u00e9 techniky ukl\u00e1d\u00e1n\u00ed cementu<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-TZLgd8S2oo02nkxsWUDc6DEMnhx\" data-list=\"bullet\"><div>Pro odstran\u011bn\u00ed bahenn\u00edch kan\u00e1lk\u016f a zlep\u0161en\u00ed rovnom\u011brn\u00e9ho pokryt\u00ed cementem pou\u017eijte centraliz\u00e1tory a pohyb potrub\u00ed (rotace\/reprokace).<\/div><\/li><li class=\"ace-line ace-line old-record-id-Qq8adJgi0oia04xJNtvcHUqNnBb\" data-list=\"bullet\"><div>Vyu\u017eit\u00ed simulac\u00ed v\u00fdpo\u010dtov\u00e9 dynamiky tekutin (CFD) k p\u0159edpov\u011bdi a optimalizaci \u00fa\u010dinnosti vytla\u010dov\u00e1n\u00ed cementu.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-N6Wxdf0Lro3I5DxU4vjc1Oj0nKc\" data-list=\"number\"><div>Robustn\u00ed metody zon\u00e1ln\u00ed izolace<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-UxeEdf14JoQOaQx5t0Vcrd1gn5g\" data-list=\"bullet\"><div>Prov\u00e1d\u011bjte v\u00edcestup\u0148ov\u00e9 cementov\u00e1n\u00ed v p\u0159\u00edpad\u011b vysokotlak\u00fdch nebo vy\u010derpan\u00fdch z\u00f3n.<\/div><\/li><li class=\"ace-line ace-line old-record-id-Pn2OdJ7mpoIqFLxeQdvcs00Mnjd\" data-list=\"bullet\"><div>V kritick\u00fdch intervalech aplikujte rozp\u00ednav\u00e9 z\u00e1platy nebo prysky\u0159i\u010dn\u00e9 syst\u00e9my.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-HL2yduQ5lobRxNxtzJpcP1lmn5d\" data-list=\"number\"><div>Monitorov\u00e1n\u00ed a vyhodnocov\u00e1n\u00ed v re\u00e1ln\u00e9m \u010dase<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-GSZsdei4bo0H0QxCoLvcU4S2ncf\" data-list=\"bullet\"><div>Pomoc\u00ed akustick\u00fdch a tlakov\u00fdch senzor\u016f odhalte mikroanuly nebo slab\u00e1 m\u00edsta.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PsCqdJoqmokOcqxmshZcFUuxnty\" data-list=\"bullet\"><div>Prove\u010fte ultrazvukov\u00e9 sn\u00edmkov\u00e1n\u00ed (protokoly CBL\/VDL) po cementaci pro posouzen\u00ed kvality.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-G9dBdqWijoXBeBxYZ5gcZOp9nCc\" data-list=\"number\"><div>Opat\u0159en\u00ed proti korozi a chemick\u00e9 odolnosti<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-G2JCdwy8NoDZQwxed1Cce10snS4\" data-list=\"bullet\"><div>V kysel\u00e9m prost\u0159ed\u00ed integrujte p\u0159\u00edsady zachycuj\u00edc\u00ed H\u2082S nebo epoxidov\u00fd povlak pl\u00e1\u0161t\u011b.<\/div><\/li><li class=\"ace-line ace-line old-record-id-V8UUdqZ0VoRg2Rx89Vuc13ejnvd\" data-list=\"bullet\"><div>Pou\u017eijte povlaky na b\u00e1zi zinku nebo hlin\u00edku, abyste zm\u00edrnili elektrochemickou degradaci.<\/div><\/li><\/ol><\/li><li class=\"ace-line ace-line old-record-id-MJQ8dwVUyoonalx3MoAcH5tMnUG\" data-list=\"number\"><div>P\u0159esn\u00fd n\u00e1vrh kalu a optimalizace materi\u00e1lu<\/div><ol class=\"list-number3\"><li class=\"ace-line ace-line old-record-id-IXsQdHnego2ARWxhz37cwUTTnpb\" data-list=\"bullet\"><div>Pou\u017e\u00edvejte p\u0159izp\u016fsoben\u00e9 receptury cementu s kvalitn\u00edmi p\u0159\u00edm\u011bsemi pro zlep\u0161en\u00ed reologie, pevnosti a doby tuhnut\u00ed.<\/div><\/li><li class=\"ace-line ace-line old-record-id-ZkWgdb2qmojJrSx9ERhc3PgDnEf\" data-list=\"bullet\"><div>Zlep\u0161ete kontrolu ztr\u00e1t kapaliny, abyste zabr\u00e1nili migraci plynu a zajistili spr\u00e1vn\u00e9 lepen\u00ed.<\/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\">Jak\u00e1 aditiva lze pou\u017e\u00edt p\u0159i cementov\u00e1n\u00ed ropn\u00fdch vrt\u016f?<\/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. Disperg\u00e1tor a sni\u017eova\u010d t\u0159en\u00ed<\/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>Kdy\u017e \u010d\u00e1stice j\u00edlu a vrtn\u00e9 t\u0159\u00edsky dos\u00e1hnou kritick\u00e9 koncentrace ve vrtn\u00fdch kapalin\u00e1ch, vytvo\u0159\u00ed trojrozm\u011brnou s\u00ed\u0165ovou strukturu. Tento jev je zvl\u00e1\u0161t\u011b zes\u00edlen v solnos\u00e1drovcov\u00fdch formac\u00edch, kde rozpu\u0161t\u011bn\u00e9 elektrolyty (zejm\u00e9na polyvalentn\u00ed kationty) ve formovac\u00ed vod\u011b zesiluj\u00ed strukturn\u00ed v\u00fdvoj a v\u00fdrazn\u011b zhor\u0161uj\u00ed pohyblivost kapaliny. Disperzanty funguj\u00ed tak, \u017ee rozkl\u00e1daj\u00ed tyto s\u00ed\u0165ov\u00e9 matrice, uvol\u0148uj\u00ed v\u00e1zanou vodu a sni\u017euj\u00ed viskozitu a bod kluzu.<\/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>Na\u0161e \u0159e\u0161en\u00ed: <a href=\"https:\/\/landu-china.com\/cs\/polykarboxylatovy-superplastifikator-v-prasku-pce\/\" target=\"_blank\" rel=\"noopener\">Polykarboxyl\u00e1tov\u00fd superplastifik\u00e1tor<\/a><\/strong><\/em><\/p><p>Na\u0161e <a href=\"https:\/\/landu-china.com\/cs\/polykarboxylatovy-superplastifikator-v-prasku-pce\/\" target=\"_blank\" rel=\"noopener\">NOVASTAR Polykarboxyl\u00e1tov\u00fd superplastifik\u00e1tor<\/a> je vysoce \u00fa\u010dinn\u00fd reduktor vody a disperg\u00e1tor, kter\u00fd se pou\u017e\u00edv\u00e1 k optimalizaci vlastnost\u00ed cementov\u00e9 malty. Jako jeden ze syntetick\u00fdch polymern\u00edch disperg\u00e1tor\u016f nab\u00edz\u00ed vynikaj\u00edc\u00ed \u00fa\u010dinnost v n\u00e1sleduj\u00edc\u00edch aspektech:<\/p><ol><li>Disperze \u010d\u00e1stic cementu<br \/>- Sni\u017euje konzistenci kejdy o 35-50% ve srovn\u00e1n\u00ed s neo\u0161et\u0159en\u00fdmi syst\u00e9my.<br \/>- Zlep\u0161uje reologick\u00e9 parametry: sni\u017euje plastickou viskozitu o 40-60% p\u0159i zachov\u00e1n\u00ed optim\u00e1ln\u00edho bodu kluzu.<\/li><li>Teplotn\u00ed p\u0159izp\u016fsobivost<br \/>- \u00da\u010dinn\u00e9 spektrum v\u00fdkonu: 30\u00b0C a\u017e 180\u00b0C (86\u00b0F a\u017e 356\u00b0F)<br \/>- Zachov\u00e1v\u00e1 stabilitu disperze v podm\u00ednk\u00e1ch tepeln\u00e9ho cyklov\u00e1n\u00ed<\/li><li>Sn\u00e1\u0161enlivost soli<br \/>- Vykazuje konzistentn\u00ed v\u00fdkon v prost\u0159ed\u00ed 5-10% NaCl<br \/>- Kompatibiln\u00ed s r\u016fzn\u00fdmi zdroji vody bez po\u017eadavk\u016f na \u010distotu<\/li><li>Profil kompatibility<br \/>- Synergick\u00fd se v\u0161emi p\u0159\u00edsadami do cementu t\u0159\u00eddy API<br \/>- \u017d\u00e1dn\u00e9 ne\u017e\u00e1douc\u00ed interakce s regul\u00e1tory ztr\u00e1ty tekutin\/retardery\/p\u011bnidly<\/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.   P\u0159\u00edsada pro regulaci ztr\u00e1t cementov\u00e9 kapaliny<\/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>Aditiva pro sn\u00ed\u017een\u00ed ztr\u00e1t tekutin (FLA) jsou rozhoduj\u00edc\u00ed pro minimalizaci ztr\u00e1t filtr\u00e1tu v cementov\u00fdch suspenz\u00edch a slou\u017e\u00ed ke t\u0159em hlavn\u00edm \u00fa\u010del\u016fm:<\/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>P\u0159edch\u00e1zen\u00ed p\u0159ed\u010dasn\u00e9 dehydrataci v propustn\u00fdch formac\u00edch je obzvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 p\u0159i cementov\u00e1n\u00ed vlo\u017eek.<\/div><\/li><li class=\"ace-line ace-line old-record-id-SnHvdNPj6o2EmuxoGgtcHvw1nRh\" data-list=\"number\"><div>Ochrana \u00fatvar\u016f citliv\u00fdch na vodu p\u0159ed po\u0161kozen\u00edm zp\u016fsoben\u00fdm vniknut\u00edm kapaliny.<\/div><\/li><li class=\"ace-line ace-line old-record-id-L3JCdJeTTo36oJxtJyrcKE5mnb9\" data-list=\"number\"><div>Zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti stla\u010dov\u00e1n\u00ed cementu udr\u017een\u00edm integrity suspenze p\u0159i vysok\u00fdch tlakov\u00fdch rozd\u00edlech.<\/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>Na\u0161e st\u011b\u017eejn\u00ed multifunk\u010dn\u00ed aditivum pro ztr\u00e1tu tekutin: <a href=\"https:\/\/landu-china.com\/cs\/hydroxypropylmethylceluloza-hpmc\/\" target=\"_blank\" rel=\"noopener\">HPMC<\/a><\/strong><\/em><\/p><p>LANDERCOLL HPMC je modifikovan\u00fd ether celul\u00f3zy, kter\u00fd se \u0161iroce pou\u017e\u00edv\u00e1 jako l\u00e1tka sni\u017euj\u00edc\u00ed obsah vody. Jako polymer rozpustn\u00fd ve vod\u011b pom\u00e1h\u00e1 stabilizovat vrtn\u00e9 bahno t\u00edm, \u017ee sni\u017euje ztr\u00e1ty kapaliny do propustn\u00fdch formac\u00ed p\u0159i zachov\u00e1n\u00ed reologick\u00fdch vlastnost\u00ed. Spole\u010dnost LANDU poskytuje r\u016fzn\u00e9 typy HPMC pro cementa\u010dn\u00ed aplikace, v\u010detn\u011b:<\/p><ol><li>HPMC pro syst\u00e9my s n\u00edzkou hustotou<br \/>- Speci\u00e1ln\u011b vyvinut\u00fd pro k\u0159ehk\u00e9 formace a z\u00f3ny se ztr\u00e1tou cirkulace.<br \/>- Udr\u017euje vynikaj\u00edc\u00ed kontrolu ztr\u00e1t tekutin (&lt;50 ml\/30 min) p\u0159i hustot\u011b a\u017e 1,20 SG.<\/li><li>HPMC pro aplikace s vysokou hustotou<br \/>- Optimalizov\u00e1no pro HPHT vrty a hlubokovodn\u00ed prost\u0159ed\u00ed.<br \/>- Ztr\u00e1ta tekutiny &lt;30 ml\/30 min p\u0159i hustot\u011b suspenze a\u017e 2,60 SG.<\/li><li>HPMC pro suspenze s b\u011b\u017enou hustotou<br \/>- Univerz\u00e1ln\u00ed \u0159e\u0161en\u00ed pro v\u011bt\u0161inu standardn\u00edch cementa\u010dn\u00edch operac\u00ed.<br \/>- Poskytuje spolehlivou kontrolu ztr\u00e1ty tekutin &lt;50 ml\/30 min API.<\/li><li>HPMC pro aplikace m\u00edsen\u00ed mo\u0159sk\u00e9 vody<br \/>- Slo\u017een\u00ed odoln\u00e9 proti korozi pro operace na mo\u0159i.<br \/>- Udr\u017euje stabiln\u00ed v\u00fdkon v prost\u0159ed\u00ed s vysokou salinitou.<\/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\/cs\/dodavatel-sadrovych-retarderu\/\" target=\"_blank\">3.  Cementov\u00fd\/s\u00e1drov\u00fd retard\u00e9r<\/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\">Ide\u00e1ln\u00ed cementov\u00fd retard\u00e9r \u00fa\u010dinn\u011b prodlu\u017euje a udr\u017euje tekut\u00fd stav a \u010derpatelnost kalu. Nejlep\u0161\u00ed retard\u00e9ry vykazuj\u00ed n\u00e1sleduj\u00edc\u00ed vlastnosti:<\/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>\u0160irok\u00e1 teplotn\u00ed p\u0159izp\u016fsobivost: Konzistentn\u00ed v\u00fdkonnost v r\u016fzn\u00fdch podm\u00ednk\u00e1ch v hloubce vrtu.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YZiSdEWbLoPQlUxo9H7cbudrn1e\" data-list=\"bullet\"><div>Doba zahu\u0161\u0165ov\u00e1n\u00ed \u00fam\u011brn\u00e1 d\u00e1vce: P\u0159edv\u00eddateln\u00e9 zpomalen\u00ed v z\u00e1vislosti na koncentraci.<\/div><\/li><li class=\"ace-line ace-line old-record-id-XWTrd305UouHYrxPjWYc2pcvnNf\" data-list=\"bullet\"><div>Kompatibilita: Harmonick\u00e1 interakce se v\u0161emi typy cement\u016f a p\u0159\u00edsad pro ropn\u00e9 vrty bez negativn\u00edho vlivu:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-YQRtdugc9ow93rxNCaicnfNln1b\" data-list=\"bullet\"><div>N\u00e1r\u016fst viskozity<\/div><\/li><li class=\"ace-line ace-line old-record-id-DCJSdqfXHoTv7qxzhEucQeFcnAd\" data-list=\"bullet\"><div>Tixotropn\u00ed gelov\u00e1n\u00ed<\/div><\/li><li class=\"ace-line ace-line old-record-id-WGcdd22eRoL3vMxunIRcGAj7n9e\" data-list=\"bullet\"><div>V\u00fdvoj pevnosti v tlaku<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-ZS4Fdl08IoXUT1x0tQDchP3KnXJ\" data-list=\"bullet\"><div>Kontrolovateln\u00fd v\u00fdkon: Spolehliv\u00e1 p\u0159edpov\u011b\u010f doby zahu\u0161t\u011bn\u00ed a opakovatelnost.<\/div><\/li><li class=\"ace-line ace-line old-record-id-JhLDdKelmoFiCBxEurscC3nFnIh\" data-list=\"bullet\"><div>Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f v oblasti bezpe\u010dnosti a ochrany \u017eivotn\u00edho prost\u0159ed\u00ed: Nejedovat\u00e9, neho\u0159lav\u00e9, nezne\u010di\u0161\u0165uj\u00edc\u00ed a odoln\u00e9 v\u016f\u010di kontaminaci.<\/div><\/li><\/ol><\/li><\/ol><h3 class=\"heading-3 ace-line old-record-id-StoZdaSWRofZ2Kx1yyhc6Lkmnpb\">\u00a0\u00a0\u00a0\u00a0Srovn\u00e1vac\u00ed anal\u00fdza b\u011b\u017en\u00fdch retard\u00e9r\u016f<\/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>Kyselina citronov\u00e1 a citr\u00e1t sodn\u00fd<\/div><\/li><li class=\"ace-line ace-line old-record-id-TZ2adujBRoLh3RxZstwcfW9gn0e\" data-list=\"bullet\"><div>Prim\u00e1rn\u00ed funkce: Funkce: retarda\u010dn\u00ed (m\u00edrn\u00fd \u00fa\u010dinek) se sekund\u00e1rn\u00ed disperzn\u00ed schopnost\u00ed.<\/div><\/li><li class=\"ace-line ace-line old-record-id-NKEpd5OMlovlbXxi4lccc5BonBe\" data-list=\"bullet\"><div>Citlivost na d\u00e1vkov\u00e1n\u00ed:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-Tmiwdz8lHoLobfxcC1KcrLWAnId\" data-list=\"bullet\"><div>Minim\u00e1ln\u00ed \u00fa\u010dinn\u00e1 d\u00e1vka: 0,5% BWOC (pod touto hranic\u00ed m\u016f\u017ee doj\u00edt ke zrychlen\u00ed nastaven\u00ed).<\/div><\/li><li class=\"ace-line ace-line old-record-id-NZcYdpKSMoxKZkxIpwoccqEAnAh\" data-list=\"bullet\"><div>Rozsah optim\u00e1ln\u00ed d\u00e1vky: Stabiln\u00ed retardace nad kritickou koncentrac\u00ed, s minim\u00e1ln\u00ed citlivost\u00ed na mal\u00e9 odchylky.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-L4T2d5mC1orCPGxJxlGcvKKWneB\" data-list=\"bullet\"><div>Omezen\u00ed:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-BMHOdUY75o8rd4xGILBcPB2Kngc\" data-list=\"bullet\"><div>Slab\u0161\u00ed disperga\u010dn\u00ed \u00fa\u010dinek ve srovn\u00e1n\u00ed se specializovan\u00fdmi disperg\u00e1tory.<\/div><\/li><li class=\"ace-line ace-line old-record-id-YHx2dMO7ho2j92xXuTBciglfn3f\" data-list=\"bullet\"><div>V\u00fdkonnost se v\u00fdrazn\u011b li\u0161\u00ed v z\u00e1vislosti na t\u0159\u00edd\u011b cementu.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-YdSEdBkEeojQHlxwRBhc2Upcnoh\" data-list=\"number\"><div>Kyselina vinn\u00e1 a vinan draseln\u00fd (Rochelleho s\u016fl)<\/div><\/li><li class=\"ace-line ace-line old-record-id-X85Dd7VQSoMJ50xyeRTc58lMnxg\" data-list=\"bullet\"><div>Kl\u00ed\u010dov\u00e9 vlastnosti:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-WcgedFn4uoncnExk0CRcB08Lnoe\" data-list=\"bullet\"><div>V\u00fdjime\u010dn\u00e1 retardace p\u0159i vysok\u00fdch teplot\u00e1ch (a\u017e do 180 \u00b0C+).<\/div><\/li><li class=\"ace-line ace-line old-record-id-Tsrndpb4PosCPrx6etWchr2Pnnh\" data-list=\"bullet\"><div>M\u00edrn\u00fd disperga\u010dn\u00ed \u00fa\u010dinek (dopl\u0148uje reologick\u00e9 zlep\u0161en\u00ed).<\/div><\/li><li class=\"ace-line ace-line old-record-id-ChQHdAwg7ojt23xljoAccFnynXd\" data-list=\"bullet\"><div>\u017d\u00e1dn\u00e9 zhor\u0161en\u00ed pevnosti ve ztuhl\u00e9m cementu.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-FLg4dXT4toLZPRxgTjocnEOFnUg\" data-list=\"bullet\"><div>Praktick\u00e9 v\u00fdzvy:<\/div><ul class=\"list-bullet4\"><li class=\"ace-line ace-line old-record-id-LikXd9y8Do1adExZEx3cs0ken0e\" data-list=\"bullet\"><div>Zv\u00fd\u0161en\u00e9 ztr\u00e1ty voln\u00e9 vody a tekutin - vy\u017eaduje pou\u017eit\u00ed aditiv pro ztr\u00e1ty tekutin (FLA).<\/div><\/li><li class=\"ace-line ace-line old-record-id-SvludXB38o2DHAxu80IcZKNgnng\" data-list=\"bullet\"><div>Vysok\u00e1 citlivost na alkalickou kontaminaci m\u016f\u017ee v\u00e9st k nep\u0159edv\u00eddateln\u00e9mu chov\u00e1n\u00ed p\u0159i nastavov\u00e1n\u00ed, co\u017e ji \u010din\u00ed m\u00e9n\u011b obl\u00edbenou v poln\u00edch provozech.<\/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>Na\u0161e doporu\u010den\u00ed: <a href=\"https:\/\/landu-china.com\/cs\/dodavatel-sadrovych-retarderu\/\" target=\"_blank\" rel=\"noopener\">Retard\u00e9r na b\u00e1zi aminokyselin<\/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>Aminokyseliny <\/strong><strong>Retard\u00e9r<\/strong> je specializovan\u00e1 chemick\u00e1 p\u0159\u00edsada, kter\u00e1 se pou\u017e\u00edv\u00e1 k <strong>zpo\u017ed\u011bn\u00ed tuhnut\u00ed cementov\u00fdch suspenz\u00ed<\/strong> zpomalen\u00edm hydrata\u010dn\u00edch reakc\u00ed portlandsk\u00e9ho cementu. Tyto zpomalova\u010de jsou obzvl\u00e1\u0161t\u011b cenn\u00e9 p\u0159i <strong>hlubok\u00e9 vysokoteplotn\u00ed vrty (HT\/HPHT).<\/strong>, kde se standardn\u00ed retard\u00e9ry (nap\u0159. lignosulfon\u00e1ty nebo organick\u00e9 kyseliny) mohou rozkl\u00e1dat nebo se st\u00e1t ne\u00fa\u010dinn\u00fdmi.<\/div><\/li><\/ol><p><strong>Mechanismus retardace<\/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>Chelace a adsorpce<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-Iew6dZaBOoIvoZxrAP4c5td8nrb\" data-list=\"bullet\"><div>Amino skupiny (-NH\u2082, -NH-) tvo\u0159\u00ed komplexy s <strong>Ionty Ca\u00b2\u207a<\/strong> v cementu, co\u017e br\u00e1n\u00ed tvorb\u011b <strong>C-S-H (<\/strong><strong>k\u0159emi\u010ditan v\u00e1penat\u00fd<\/strong><strong> hydr\u00e1t) <\/strong><strong>gel<\/strong>, kter\u00fd je rozhoduj\u00edc\u00ed pro tvrdnut\u00ed cementu.<\/div><\/li><li class=\"ace-line ace-line old-record-id-PvJGdxb96oiziwxyACiclQxvnSF\" data-list=\"bullet\"><div>Adsorbuje se na povrch cementov\u00fdch \u010d\u00e1stic a vytv\u00e1\u0159\u00ed tak <strong>bari\u00e9ra<\/strong> kter\u00e1 zpo\u017e\u010fuje pronik\u00e1n\u00ed vody a hydrataci.<\/div><\/li><\/ul><\/li><li class=\"ace-line ace-line old-record-id-MkrIdsPUEosbs8xawOrcvcpPnOb\" data-list=\"bullet\"><div><strong>Reakce na pH<\/strong>:<\/div><ul class=\"list-bullet5\"><li class=\"ace-line ace-line old-record-id-AUI0dMsajoDdh4xSjmVcBk4znSc\" data-list=\"bullet\"><div>\u00da\u010dinn\u011bj\u0161\u00ed v <strong>alkalick\u00e9 podm\u00ednky<\/strong> (typick\u00e9 pro cementov\u00e9 kaly, 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>V\u00fdhody oproti b\u011b\u017en\u00fdm retard\u00e9r\u016fm<\/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;\">PROPERTY<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">RETARD\u00c9R NA B\u00c1ZI AMINOKYSELIN<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">LIGNOSULFON\u00c1TY<\/th>\r\n    <th style=\"background-color: lightgray; text-align: left; border: 1px solid black; padding: 5px;\">ORGANICK\u00c9 KYSELINY (NAP\u0158. CITRONOV\u00c1\/GLUKONOV\u00c1)<\/th>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">STABILITA P\u0158I VYSOK\u00ddCH TEPLOT\u00c1CH<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">A\u017d DO 250+ \u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">DEGRADUJE &gt;120\u00b0C<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">DEGRADUJE &gt;150\u00b0C<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">\u00da\u010cINNOST D\u00c1VKOV\u00c1N\u00cd<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">N\u00cdZK\u00c1 (0,1-0,5% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">VYSOK\u00c1 (0,5-2% BWOC)<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">M\u00cdRN\u00dd (0,3-1% BWOC)<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">SOLN\u00c1 TOLERANCE<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">VYNIKAJ\u00cdC\u00cd<\/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;\">KOMPATIBILITA S KA\u0160\u00cd<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">FUNGUJE S V\u011aT\u0160INOU ADITIV<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">MOHOU INTERFEROVAT S DISPERG\u00c1TORY<\/td>\r\n    <td style=\"border: 1px solid black; padding: 5px;\">Citlivost na zm\u011bny pH<\/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=\"Sd\u00edlet na facebooku\">\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=\"Sd\u00edlet na twitteru\">\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=\"Sd\u00edlet na linkedin\">\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=\"Sd\u00edlet na telegramu\">\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\tTelegram\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\">Kontaktujte n\u00e1s a z\u00edskejte vzorky zdarma<\/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\tKontaktujte m\u011b, pros\u00edm, pro aktu\u00e1ln\u00ed nab\u00eddku nebo pro \u017e\u00e1dost o vzorov\u00fd test (na\u0161e vzorky jsou zdarma a zahrnuj\u00ed dopravu).\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\tN\u00e1zev\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=\"N\u00e1zev\">\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\tTelefon\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=\"Telefon\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Akceptov\u00e1ny jsou pouze \u010d\u00edsla a telefonn\u00ed znaky (#, -, * atd.).\">\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\tE-mail\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=\"E-mail\" 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\">Okam\u017eit\u011b se s n\u00e1mi spojte<\/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=\"cs\"\/><\/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\">Bro\u017eura<\/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>Dal\u0161\u00ed informace, jako jsou zpr\u00e1vy o certifikaci v\u00fdrobk\u016f, anal\u00fdzy kvality, TDS a MSDS, naleznete v na\u0161\u00ed bro\u017eu\u0159e.<\/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\">St\u00e1hnout bro\u017euru<\/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\/cs\/\" method=\"get\" data-trp-original-action=\"https:\/\/landu-china.com\/cs\">\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\">Vyhled\u00e1v\u00e1n\u00ed<\/label>\n\n\t\t\t\t\t\n\t\t\t\t\t<input id=\"elementor-search-form-c328c37\" placeholder=\"Vyhled\u00e1v\u00e1n\u00ed...\" 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=\"Vyhled\u00e1v\u00e1n\u00ed\">\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=\"cs\"\/><\/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\">Kategorie produkt\u016f<\/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 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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\tRychl\u00e9 odkazy\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>Pokro\u010dil\u00e9 chemick\u00e9 p\u0159\u00edsady v technologii cementace ropn\u00fdch vrt\u016f Co je cementace ropn\u00fdch vrt\u016f? Cementov\u00e1n\u00ed ropn\u00fdch vrt\u016f je proces vkl\u00e1d\u00e1n\u00ed pa\u017enic do vrtu a vst\u0159ikov\u00e1n\u00ed cementu do prstencov\u00e9ho prostoru mezi pa\u017enicemi. Jako d\u016fle\u017eit\u00e1 sou\u010d\u00e1st ropn\u00e9ho vrtn\u00e9ho pr\u016fmyslu se u t\u011b\u017eebn\u00edch vrt\u016f obvykle prov\u00e1d\u011bj\u00ed nejm\u00e9n\u011b dv\u011b cementa\u010dn\u00ed operace, a to [...]<\/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\/cs\/wp-json\/wp\/v2\/posts\/21518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/comments?post=21518"}],"version-history":[{"count":11,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/posts\/21518\/revisions"}],"predecessor-version":[{"id":21532,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/posts\/21518\/revisions\/21532"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/media\/21519"}],"wp:attachment":[{"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/media?parent=21518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/categories?post=21518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/landu-china.com\/cs\/wp-json\/wp\/v2\/tags?post=21518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}