{"id":14895,"date":"2026-07-27T08:05:43","date_gmt":"2026-07-27T08:05:43","guid":{"rendered":"https:\/\/tenessy.com\/?p=14895"},"modified":"2026-07-29T06:32:49","modified_gmt":"2026-07-29T06:32:49","slug":"prakticky-pruvodce-vyberem-vodeodolnych-redispergovatelnych-polymernich-prasku","status":"publish","type":"post","link":"https:\/\/tenessy.com\/cs\/prakticky-pruvodce-vyberem-vodeodolnych-redispergovatelnych-polymernich-prasku\/","title":{"rendered":"Praktick\u00fd pr\u016fvodce v\u00fdb\u011brem vod\u011bodoln\u00fdch redispergovateln\u00fdch polymern\u00edch pr\u00e1\u0161k\u016f"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14895\" class=\"elementor elementor-14895\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-con-full e-flex e-con e-parent\" data-id=\"fdbc6e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-105ebe2 elementor-widget elementor-widget-image\" data-id=\"105ebe2\" data-element_type=\"widget\" data-e-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=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-1024x683.jpg\" class=\"attachment-large size-large wp-image-14916\" alt=\"redispergovateln\u00fd polymer\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\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-e0d9856 elementor-widget elementor-widget-heading\" data-id=\"e0d9856\" data-element_type=\"widget\" data-e-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\">\u00davod<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">V <a href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/\">malta m\u00edchan\u00e1 za sucha<\/a> pr\u016fmysl, <a href=\"https:\/\/tenessy.com\/products\/redispersible-polymer-powder\/\">redispergovateln\u00fd polymern\u00ed pr\u00e1\u0161ek (RDP)<\/a> hraje z\u00e1sadn\u00ed roli. Pokud se v\u0161ak oblast pou\u017eit\u00ed roz\u0161\u00ed\u0159\u00ed z interi\u00e9ru do exteri\u00e9ru, nebo ze such\u00e9ho prost\u0159ed\u00ed do prost\u0159ed\u00ed s vysokou vlhkost\u00ed \u010di dokonce do prost\u0159ed\u00ed s dlouhodob\u00fdm pono\u0159en\u00edm ve vod\u011b,\u00a0<\/span><strong><span class=\"\">standardn\u00ed typy RDP<\/span><\/strong><span class=\"\">\u00a0\u010dasto zaost\u00e1vaj\u00ed. V t\u00e9to chv\u00edli,\u00a0<\/span><strong><span class=\"\">vod\u011bodoln\u00fd redispergovateln\u00fd polymern\u00ed pr\u00e1\u0161ek<\/span><\/strong><span class=\"\">\u00a0se st\u00e1v\u00e1 kl\u00ed\u010dov\u00fdm funk\u010dn\u00edm materi\u00e1lem pro zaji\u0161t\u011bn\u00ed trvanlivosti a bezpe\u010dnosti projektu.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Vzhledem k \u0161irok\u00e9 \u0161k\u00e1le produkt\u016f na trhu, jejich\u017e v\u00fdkonnost se zna\u010dn\u011b li\u0161\u00ed, jak vybrat ten spr\u00e1vn\u00fd vod\u011bodoln\u00fd RDP? Tento \u010dl\u00e1nek p\u0159in\u00e1\u0161\u00ed\u00a0<\/span><strong><span class=\"\">praktick\u00fd, na praxi zam\u011b\u0159en\u00fd pr\u016fvodce<\/span><\/strong><span class=\"\">\u00a0na z\u00e1klad\u011b logiky sestaven\u00ed receptury, metod ov\u011b\u0159ov\u00e1n\u00ed v\u00fdkonu a vyv\u00e1\u017eenosti n\u00e1klad\u016f a p\u0159\u00ednos\u016f. Zam\u011b\u0159eno na t\u0159i kl\u00ed\u010dov\u00e1 slova s vysokou n\u00e1v\u0161t\u011bvnost\u00ed \u2014<\/span><strong><span class=\"\">odolnost lepidla proti vod\u011b, pru\u017enost, p\u0159izp\u016fsobivost a zpracovatelnost p\u0159i stavb\u011b<\/span><\/strong><span class=\"\">\u2014tato p\u0159\u00edru\u010dka v\u00e1m pom\u016f\u017ee vyhnout se \u00faskal\u00edm p\u0159i v\u00fdb\u011bru materi\u00e1l\u016f a zv\u00fd\u0161it konkurenceschopnost va\u0161ich v\u00fdrobk\u016f.<\/span><\/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-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" data-element_type=\"widget\" data-e-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\">I. Pro\u010d je pot\u0159eba, aby byl v\u00fdrobek \"vod\u011bodoln\u00fd\"?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-740e220 elementor-widget elementor-widget-text-editor\" data-id=\"740e220\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Ne\u017e se pust\u00edme do pr\u016fvodce v\u00fdb\u011brem, mus\u00edme nejprve objasnit jednu z\u00e1sadn\u00ed ot\u00e1zku:\u00a0<\/span><strong><span class=\"\">Pro\u010d b\u011b\u017en\u00fd RDP sel\u017ee p\u0159i kontaktu s vodou?<\/span><\/strong><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Standardn\u00ed typy RDP (nap\u0159. na b\u00e1zi PVAc nebo EVA) tvo\u0159\u00ed termoplastick\u00e9 polymern\u00ed f\u00f3lie. Jejich molekul\u00e1rn\u00ed \u0159et\u011bzce obsahuj\u00ed \u010detn\u00e9 esterov\u00e9 skupiny, kter\u00e9 jsou v alkalick\u00e9m prost\u0159ed\u00ed cementu n\u00e1chyln\u00e9 k hydrol\u00fdze, p\u0159i n\u00ed\u017e vznikaj\u00ed hydrofiln\u00ed hydroxylov\u00e9 a karboxylov\u00e9 skupiny. P\u0159i proniknut\u00ed vody tyto hydrofiln\u00ed skupiny absorbuj\u00ed vlhkost, co\u017e zp\u016fsobuje, \u017ee polymern\u00ed f\u00f3lie\u00a0<\/span><strong><span class=\"\">nabobtnat, zm\u011bk\u010dit<\/span><\/strong><span class=\"\">, a dokonce podstoupit\u00a0<\/span><strong><span class=\"\">nevratn\u00e1 reemulgace<\/span><\/strong><span class=\"\">. Z makroskopick\u00e9ho hlediska to vede k prudk\u00e9mu poklesu p\u0159ilnavosti, odlepov\u00e1n\u00ed na rozhran\u00ed a vzniku dutin \u010di trhlin v om\u00edtkov\u00e9 vrstv\u011b.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Vod\u011bodoln\u00fd RDP<\/span><\/strong><span class=\"\">\u00a0dosahuje lep\u0161\u00ed odolnosti proti vod\u011b d\u00edky n\u00e1sleduj\u00edc\u00edm technick\u00fdm \u0159e\u0161en\u00edm:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Optimalizace monomer\u016f<\/span><\/strong><span class=\"\">: P\u0159id\u00e1n\u00ed hydrofobn\u00edch monomer\u016f (nap\u0159. VeoVa, alkylakryl\u00e1ty s dlouh\u00fdm \u0159et\u011bzcem) za \u00fa\u010delem sn\u00ed\u017een\u00ed povrchov\u00e9 energie filmu a propustnosti pro vodn\u00ed p\u00e1ru.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">N\u00e1vrh syst\u00e9mu zes\u00ed\u0165ov\u00e1n\u00ed<\/span><\/strong><span class=\"\">: Vznik chemick\u00fdch nebo iontov\u00fdch k\u0159\u00ed\u017eov\u00fdch vazeb mezi molekul\u00e1rn\u00edmi \u0159et\u011bzci polymeru b\u011bhem tvorby filmu nebo p\u0159i n\u00e1sledn\u00e9 hydrataci cementu, co\u017e omezuje pohyblivost \u0159et\u011bzc\u016f ve vod\u011b.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Modifikace ochrann\u00fdm koloidem<\/span><\/strong><span class=\"\">: Pou\u017eit\u00ed polyvinylalkoholu (PVA) odoln\u00e9ho proti hydrol\u00fdze nebo jeho deriv\u00e1t\u016f jako ochrann\u00fdch koloid\u016f za \u00fa\u010delem omezen\u00ed vyluhov\u00e1n\u00ed ve vod\u011b rozpustn\u00fdch slo\u017eek.<\/span><\/p><\/li><\/ul>\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-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" data-element_type=\"widget\" data-e-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\">II.  \"\u010cty\u0159rozm\u011brn\u00fd hodnot\u00edc\u00ed model\" pro v\u00fdb\u011br vod\u011bodoln\u00fdch RDP<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c607e1e elementor-widget elementor-widget-heading\" data-id=\"c607e1e\" data-element_type=\"widget\" data-e-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<h3 class=\"elementor-heading-title elementor-size-default\">Rozm\u011br 1: Z\u00e1kladn\u00ed fyzik\u00e1ln\u00ed parametry<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae52e7e elementor-widget elementor-widget-text-editor\" data-id=\"ae52e7e\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Nikdy nep\u0159ehl\u00ed\u017eejte z\u00e1kladn\u00ed parametry uveden\u00e9 v technick\u00e9m listu produktu (TDS); p\u0159edstavuj\u00ed v\u00fdchoz\u00ed bod pro rychl\u00fd v\u00fdb\u011br.<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Parametr<\/span><\/th><th><span class=\"\">Doporu\u010den\u00e1 prahov\u00e1 hodnota<\/span><\/th><th><span class=\"\">Praktick\u00fd v\u00fdklad<\/span><\/th><\/tr><\/thead><tbody><tr><td><strong><span class=\"\">Teplota skeln\u00e9ho p\u0159echodu (Tg)<\/span><\/strong><\/td><td><span class=\"\">U vod\u011bodoln\u00fdch model\u016f:\u00a0<\/span><strong><span class=\"\">-5 \u00b0C a\u017e +10 \u00b0C<\/span><\/strong><span class=\"\">\u00a0(pro EIFS) nebo\u00a0<\/span><strong><span class=\"\">+5 \u00b0C ~ +20 \u00b0C<\/span><\/strong><span class=\"\">\u00a0(pro lepidla na obklady\/opravn\u00e9 malty)<\/span><\/td><td><span class=\"\">P\u0159\u00edli\u0161 n\u00edzk\u00e1 hodnota ( 25 \u00b0C) sni\u017euje pru\u017enost a odolnost proti prask\u00e1n\u00ed. Odolnost proti vod\u011b nekoreluje line\u00e1rn\u011b s Tg; je t\u0159eba zohlednit tak\u00e9 hustotu zes\u00ed\u0165ov\u00e1n\u00ed.<\/span><\/td><\/tr><tr><td><strong><span class=\"\">Minim\u00e1ln\u00ed teplota tvorby filmu (MFT)<\/span><\/strong><\/td><td><span class=\"\">\u2264 5 \u00b0C (rozhoduj\u00edc\u00ed pro zimn\u00ed v\u00fdstavbu)<\/span><\/td><td><span class=\"\">Je-li teplota MFT vy\u0161\u0161\u00ed ne\u017e teplota okol\u00ed, bude tvorba filmu nesouvisl\u00e1,\u00a0<\/span><strong><span class=\"\">co\u017e p\u0159\u00edmo sni\u017euje vod\u011bodolnost<\/span><\/strong><span class=\"\">.<\/span><\/td><\/tr><tr><td><strong><span class=\"\">Sypn\u00e1 hustota<\/span><\/strong><\/td><td><span class=\"\">300\u2013500 g\/l<\/span><\/td><td><span class=\"\">P\u0159\u00edli\u0161 n\u00edzk\u00e1 hodnota m\u016f\u017ee nazna\u010dovat p\u0159\u00edtomnost dut\u00fdch \u010d\u00e1stic vznikl\u00fdch p\u0159i rozpra\u0161ovac\u00edm su\u0161en\u00ed, co\u017e vede k nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed velikosti \u010d\u00e1stic po redisperzi a k tvorb\u011b m\u00e9n\u011b kompaktn\u00edho filmu.<\/span><\/td><\/tr><tr><td><strong><span class=\"\">Obsah popela (spalov\u00e1n\u00ed p\u0159i 800 \u00b0C)<\/span><\/strong><\/td><td><span class=\"\">Obvykle 10%\u201320% (obsahuje anorganick\u00e1 protisp\u00e9kav\u00e1 \u010dinidla)<\/span><\/td><td><span class=\"\">Hodnota popela &gt;25% m\u016f\u017ee nazna\u010dovat nadm\u011brn\u00e9 p\u0159id\u00e1n\u00ed inertn\u00edho plniva \u2013 jedn\u00e1 se o \u201cz\u0159ed\u011bn\u00fd\u201d produkt, u kter\u00e9ho je t\u0159eba postupovat opatrn\u011b.<\/span><\/td><\/tr><\/tbody><\/table><\/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-4662a7f elementor-widget elementor-widget-heading\" data-id=\"4662a7f\" data-element_type=\"widget\" data-e-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<h3 class=\"elementor-heading-title elementor-size-default\">Rozm\u011br 2: Z\u00e1kladn\u00ed mechanick\u00e9 vlastnosti<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-80cd648 elementor-widget elementor-widget-text-editor\" data-id=\"80cd648\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Toto je\u00a0<\/span><strong><span class=\"\">nejd\u016fle\u017eit\u011bj\u0161\u00ed<\/span><\/strong><span class=\"\">\u00a0krok v procesu v\u00fdb\u011bru. D\u016frazn\u011b doporu\u010dujeme, aby kupuj\u00edc\u00ed nebo tv\u016frci receptur prov\u00e1d\u011bli vlastn\u00ed srovn\u00e1vac\u00ed ov\u011b\u0159ovac\u00ed testy, m\u00edsto aby se spol\u00e9hali v\u00fdhradn\u011b na typick\u00e9 \u00fadaje poskytnut\u00e9 dodavatelem.<\/span><\/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-3dae815 elementor-widget elementor-widget-heading\" data-id=\"3dae815\" data-element_type=\"widget\" data-e-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\">2.1 Povinn\u00e1 zkou\u0161ka: Pevnost spoje za mokra (pono\u0159en\u00ed do vody o pokojov\u00e9 teplot\u011b)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29ef9b elementor-widget elementor-widget-text-editor\" data-id=\"c29ef9b\" data-element_type=\"widget\" data-e-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<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Referen\u010dn\u00ed normy<\/span><\/strong><span class=\"\">: JC\/T 547 (lepidla na keramick\u00e9 obklady) nebo JC\/T 985 (pot\u011brov\u00e1 sm\u011bsi) pro kondicionov\u00e1n\u00ed pono\u0159en\u00edm do vody.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Praktick\u00fd postup<\/span><\/strong><span class=\"\">:<\/span><\/p><ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><span class=\"\">P\u0159ipravte standardn\u00ed vzorky malty obsahuj\u00edc\u00ed testovan\u00fd RDP (doporu\u010den\u00e9 d\u00e1vkov\u00e1n\u00ed polymeru je 1,51 TP3T\u20133,01 TP3T vzta\u017eeno na hmotnost cementov\u00fdch materi\u00e1l\u016f).<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Po 28 dnech standardn\u00edho vytvrzov\u00e1n\u00ed pono\u0159te vzorky na 24 hodin zcela do vody o teplot\u011b (23 \u00b1 2) \u00b0C.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Odstra\u0148te, ot\u0159ete povrchovou vlhkost a okam\u017eit\u011b prove\u010fte zkou\u0161ku pevnosti spoje v tahu.<\/span><\/p><\/li><\/ol><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Krit\u00e9ria p\u0159ijatelnosti<\/span><\/strong><span class=\"\">: Pevnost spoje za mokra \u2265 0,5 MPa (u lepidel na obklady t\u0159\u00eddy C2); a\u00a0<\/span><strong><span class=\"\">zachov\u00e1n\u00ed pevnosti<\/span><\/strong><span class=\"\">\u00a0(pevnost za mokra \/ pevnost po standardn\u00edm vytvrzen\u00ed) \u2265 60%. Skute\u010dn\u011b vynikaj\u00edc\u00ed v\u00fdrobky odoln\u00e9 proti vod\u011b dosahuj\u00ed m\u00edry zadr\u017een\u00ed vy\u0161\u0161\u00ed ne\u017e 75%.<\/span><\/p><\/li><\/ul>\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-4c7e31d elementor-widget elementor-widget-heading\" data-id=\"4c7e31d\" data-element_type=\"widget\" data-e-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\">2.2 Pokro\u010dil\u00e1 zkou\u0161ka: Pevnost spoje po st\u00e1rnut\u00ed v hork\u00e9 vod\u011b (pono\u0159en\u00ed p\u0159i teplot\u011b 70 \u00b0C po dobu 7 dn\u016f)<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6cc0b2 elementor-widget elementor-widget-text-editor\" data-id=\"a6cc0b2\" data-element_type=\"widget\" data-e-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<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pro\u010d je to nutn\u00e9<\/span><\/strong><span class=\"\">: Simuluje st\u00e1rnut\u00ed vlivem vysok\u00fdch teplot a vysok\u00e9 vlhkosti na fas\u00e1d\u00e1ch vystaven\u00fdch letn\u00edmu slunci nebo na tmav\u00fdch vn\u011bj\u0161\u00edch povrchov\u00fdch \u00faprav\u00e1ch.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Praktick\u00fd postup<\/span><\/strong><span class=\"\">: Vzorky pono\u0159te na 7 dn\u00ed do hork\u00e9 vody o teplot\u011b (70 \u00b1 2) \u00b0C a p\u0159ed zkou\u0161kou je nechte 24 hodin vychladnout ve vod\u011b o teplot\u011b (23 \u00b1 2) \u00b0C.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Krit\u00e9ria p\u0159ijatelnosti<\/span><\/strong><span class=\"\">: Zachov\u00e1n\u00ed pevnosti \u2265 50%. Tento parametr p\u0159edstavuje kl\u00ed\u010dov\u00fd rozd\u00edl mezi \u201cupraven\u00fdmi\u201d a \u201cskute\u010dn\u011b vod\u011bodoln\u00fdmi\u201d v\u00fdrobky.<\/span><\/p><\/li><\/ul>\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-1d6f195 elementor-widget elementor-widget-heading\" data-id=\"1d6f195\" data-element_type=\"widget\" data-e-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\">2.3 Kl\u00ed\u010dov\u00fd detail: Pozorov\u00e1n\u00ed zp\u016fsob\u016f selh\u00e1n\u00ed<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-006f4d3 elementor-widget elementor-widget-text-editor\" data-id=\"006f4d3\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Po ka\u017ed\u00e9 zkou\u0161ce odtr\u017een\u00ed,\u00a0<\/span><strong><span class=\"\">sledovat a zaznamen\u00e1vat rozhran\u00ed poruchy<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Porucha soudr\u017enosti<\/span><\/strong><span class=\"\">\u00a0(porucha ve vrstv\u011b malty): Nazna\u010duje, \u017ee RDP \u00fa\u010dinn\u011b zlep\u0161uje vnit\u0159n\u00ed soudr\u017enost; dobr\u00e1 p\u0159ilnavost.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Selh\u00e1n\u00ed lepidla\/rozhran\u00ed<\/span><\/strong><span class=\"\">\u00a0(porucha v m\u00edst\u011b styku malty a podkladu): Nazna\u010duje nedostate\u010dnou p\u0159ilnavost na rozhran\u00ed \u2013 i kdy\u017e nam\u011b\u0159en\u00e1 hodnota spl\u0148uje po\u017eadavky, dlouhodob\u00e1 odolnost proti vod\u011b z\u016fst\u00e1v\u00e1 ohro\u017eena.<\/span><\/p><\/li><\/ul>\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-30b6b61 elementor-widget elementor-widget-heading\" data-id=\"30b6b61\" data-element_type=\"widget\" data-e-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<h3 class=\"elementor-heading-title elementor-size-default\">Rozm\u011br 3: Zpracovatelnost a kompatibilita slo\u017een\u00ed \u2013 \"snadn\u00e9 pou\u017eit\u00ed\" zaru\u010duje \"spr\u00e1vn\u00e9 pou\u017eit\u00ed\"<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcb8eed elementor-widget elementor-widget-text-editor\" data-id=\"fcb8eed\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">I kdy\u017e je odolnost proti vod\u011b vynikaj\u00edc\u00ed, pokud malta vykazuje\u00a0<\/span><strong><span class=\"\">v\u00fdrazn\u00e9 a n\u00e1hl\u00e9 ztuhnut\u00ed, krv\u00e1cen\u00ed nebo drastick\u00e9 zkr\u00e1cen\u00ed doby otev\u0159en\u00ed<\/span><\/strong><span class=\"\">, bude na staveni\u0161ti zam\u00edtnuto.<\/span><\/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-5c87be1 elementor-widget elementor-widget-heading\" data-id=\"5c87be1\" data-element_type=\"widget\" data-e-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\">3.1 Vliv na hydrataci cementu<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e5f12c elementor-widget elementor-widget-text-editor\" data-id=\"3e5f12c\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Vod\u011bodoln\u00fd RDP m\u016f\u017ee obsahovat mal\u00e9 mno\u017estv\u00ed kysel\u00fdch skupin nebo esterov\u00fdch skupin, kter\u00e9 mohou zpomalovat hydrataci portlandsk\u00e9ho cementu.\u00a0<\/span><strong><span class=\"\">Praktick\u00e9 ov\u011b\u0159en\u00ed<\/span><\/strong><span class=\"\">:<\/span><\/p><p>\u00a0<\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Zm\u011b\u0159te\u00a0<\/span><strong><span class=\"\">nastaven\u00ed \u010dasov\u00e9ho rozd\u00edlu<\/span><\/strong><span class=\"\">\u00a0p\u0159i standardn\u00ed konzistenci. Ve srovn\u00e1n\u00ed s nearmovanou maltou by se po\u010d\u00e1te\u010dn\u00ed tuhnut\u00ed nem\u011blo zpozdit o v\u00edce ne\u017e 45 minut; v opa\u010dn\u00e9m p\u0159\u00edpad\u011b m\u016f\u017ee v chladn\u00fdch a vlhk\u00fdch podm\u00ednk\u00e1ch doj\u00edt k vzniku vad typu \u201cvytvo\u0159en\u00ed povrchov\u00e9 krusty p\u0159i nezatuhnut\u00e9m vnit\u0159ku\u201d.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Sledujte\u00a0<\/span><strong><span class=\"\">vrchol ran\u00e9ho v\u00fdvoje tepla<\/span><\/strong><span class=\"\">\u00a0pomoc\u00ed semiadiabatick\u00e9ho kalorimetru. Pokud je vrchol v\u00fdrazn\u011b zpo\u017ed\u011bn nebo oslaben, zva\u017ete p\u0159id\u00e1n\u00ed urychlova\u010de nebo \u00fapravu slo\u017een\u00ed.<\/span><\/p><\/li><\/ul>\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-bb36faf elementor-widget elementor-widget-heading\" data-id=\"bb36faf\" data-element_type=\"widget\" data-e-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\">3.2 Vliv na obsah vzduchu<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d11eeb9 elementor-widget elementor-widget-text-editor\" data-id=\"d11eeb9\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Pomocn\u00e9 l\u00e1tky pou\u017e\u00edvan\u00e9 p\u0159i v\u00fdrob\u011b RDP metodou rozpra\u0161ovac\u00edho su\u0161en\u00ed mohou vtahovat vzduch.\u00a0<\/span><strong><span class=\"\">Praktick\u00e1 metoda<\/span><\/strong><span class=\"\">:<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Po prom\u00edch\u00e1n\u00ed s doporu\u010den\u00fdm mno\u017estv\u00edm vody otestujte\u00a0<\/span><strong><span class=\"\">obsah vzduchu v malt\u011b<\/span><\/strong><span class=\"\">. U aplikac\u00ed s tlustou vrstvou (&gt;10 mm) m\u016f\u017ee obsah vzduchu v sm\u011bsi 8%\u201312% zlep\u0161it zpracovatelnost; av\u0161ak u <a href=\"https:\/\/tenessy.com\/applications\/application-self-leveling\/\">samonivela\u010dn\u00ed malty<\/a>, obsah vzduchu mus\u00ed b\u00fdt bezpodm\u00edne\u010dn\u011b &lt;3%, jinak dojde k v\u00fdrazn\u00e9mu zhor\u0161en\u00ed odolnosti proti opot\u0159eben\u00ed a vod\u011bodolnosti pojiva.<\/span><\/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-d7ad1a1 elementor-widget elementor-widget-heading\" data-id=\"d7ad1a1\" data-element_type=\"widget\" data-e-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\">3.3 Doba otev\u0159en\u00ed a doba nastaven\u00ed<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8f723b elementor-widget elementor-widget-text-editor\" data-id=\"a8f723b\" data-element_type=\"widget\" data-e-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<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Zku\u0161ebn\u00ed metoda<\/span><\/strong><span class=\"\">: Za standardn\u00edch podm\u00ednek naneste maltu na podklad, v 5minutov\u00fdch intervalech na ni p\u0159itla\u010dte dla\u017edici a zaznamenejte nejdel\u0161\u00ed interval, p\u0159i kter\u00e9m je st\u00e1le dosa\u017eeno po\u017eadovan\u00e9 p\u0159ilnavosti (\u22650,5 MPa).<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Po\u017eadavky na v\u00fdrobky odoln\u00e9 proti vod\u011b<\/span><\/strong><span class=\"\">: Doba zpracovatelnosti by nem\u011bla b\u00fdt krat\u0161\u00ed ne\u017e 20 minut (pro t\u0159\u00eddu C2TE). Pokud vod\u011bodoln\u00e1 \u00faprava zkr\u00e1t\u00ed dobu zpracovatelnosti na m\u00e9n\u011b ne\u017e 15 minut, je t\u0159eba pou\u017e\u00edt zpomalova\u010d nebo materi\u00e1l s lep\u0161\u00ed kompatibilitou <a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\">\u00e9ter celul\u00f3zy<\/a> by se m\u011blo zv\u00e1\u017eit.<\/span><\/p><\/li><\/ul>\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-78b06b3 elementor-widget elementor-widget-heading\" data-id=\"78b06b3\" data-element_type=\"widget\" data-e-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<h3 class=\"elementor-heading-title elementor-size-default\">Rozm\u011br 4: Dlouhodob\u00e1 \u017eivotnost \u2013 \"Z\u00e1t\u011b\u017eov\u00e9 testy\" p\u0159esahuj\u00edc\u00ed standardn\u00ed po\u017eadavky<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-771f33f elementor-widget elementor-widget-text-editor\" data-id=\"771f33f\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Spln\u011bn\u00ed n\u00e1rodn\u00edch nebo odv\u011btvov\u00fdch norem p\u0159edstavuje pouze minim\u00e1ln\u00ed po\u017eadavek. U fas\u00e1d, baz\u00e9n\u016f, \u010dist\u00edren odpadn\u00edch vod atd. plat\u00ed n\u00e1sleduj\u00edc\u00ed:\u00a0<\/span><strong><span class=\"\">extr\u00e9mn\u00ed zkou\u0161ky<\/span><\/strong><span class=\"\">\u00a0se doporu\u010duj\u00ed:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cykly zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed (50 cykl\u016f) s n\u00e1slednou zkou\u0161kou pevnosti spoje ve vlhk\u00e9m stavu<\/span><\/strong><span class=\"\">: Viz norma GB\/T 4111 nebo JGJ 144. Kontrolujte po ka\u017ed\u00fdch 25 cyklech. Kvalitn\u00ed v\u00fdrobek odoln\u00fd proti vod\u011b by m\u011bl po 50 cyklech vykazovat \u00fabytek pevnosti &lt;30%.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pono\u0159en\u00ed do alkalick\u00e9ho roztoku (nasycen\u00fd roztok Ca(OH)\u2082, 28 dn\u00ed)<\/span><\/strong><span class=\"\">\u00a0: Simuluje vysoce alkalick\u00fd roztok v p\u00f3rech b\u011bhem hydratace cementu. N\u011bkter\u00e9 v\u00fdrobky, kter\u00e9 vykazuj\u00ed dobr\u00e9 vlastnosti p\u0159i pono\u0159en\u00ed do \u010dist\u00e9 vody, mohou v alkalick\u00e9m prost\u0159ed\u00ed podl\u00e9hat sekund\u00e1rn\u00ed hydrol\u00fdze, co\u017e vede k prudk\u00e9mu poklesu pevnosti.\u00a0<\/span><strong><span class=\"\">To je z\u00e1sadn\u00ed rozd\u00edl mezi \u201cfyzik\u00e1ln\u00ed\u201d a \u201cchemickou\u201d odolnost\u00ed proti vod\u011b.<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Zrychlen\u00e1 karbonizace s n\u00e1sledn\u00fdm testov\u00e1n\u00edm za mokra<\/span><\/strong><span class=\"\">: Vzorky vlo\u017ete na 7 dn\u00ed do karboniza\u010dn\u00ed komory 20% s CO\u2082, pot\u00e9 prove\u010fte zkou\u0161ku pevnosti spoje za mokra. Karbonizace sni\u017euje pH na rozhran\u00ed substr\u00e1tu, co\u017e ovliv\u0148uje chemick\u00e9 ukotven\u00ed mezi polymerem a substr\u00e1tem.<\/span><\/p><\/li><\/ul>\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-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" data-element_type=\"container\" data-e-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-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" data-element_type=\"widget\" data-e-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\">III. \u010cast\u00e9 \"fale\u0161n\u00e9\" vod\u011bodoln\u00e9 pasti a techniky jejich rozpozn\u00e1n\u00ed<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4a0041 elementor-widget elementor-widget-text-editor\" data-id=\"a4a0041\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">Na trhu se vyskytuj\u00ed v\u00fdrobky, u nich\u017e se pomoc\u00ed r\u016fzn\u00fdch trik\u016f \u201czfal\u0161uj\u00ed\u201d \u00fadaje o vod\u011bodolnosti. D\u00e1vejte si pozor na n\u00e1sleduj\u00edc\u00ed t\u0159i pasti:<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Typ pasti<\/span><\/th><th><span class=\"\">Metoda<\/span><\/th><th><span class=\"\">Identifikace v jednom kroku<\/span><\/th><\/tr><\/thead><tbody><tr><td><strong><span class=\"\">Odolnost proti pseudo-vod\u011b p\u0159i vysok\u00e9 hodnot\u011b Tg<\/span><\/strong><\/td><td><span class=\"\">Zv\u00fd\u0161en\u00ed Tg (&gt;30 \u00b0C) za \u00fa\u010delem zaji\u0161t\u011bn\u00ed hydrofobnosti f\u00f3lie, av\u0161ak na \u00fakor pru\u017enosti.<\/span><\/td><td><span class=\"\">Zm\u011b\u0159te pom\u011br ohybov\u00e9 pevnosti k pevnosti v tlaku, p\u0159\u00edpadn\u011b posu\u010fte ohybovou hou\u017eevnatost p\u0159i n\u00edzk\u00e9 teplot\u011b (-10 \u00b0C) (k\u0159ehk\u00fd lom = ne\u00fasp\u011bch).<\/span><\/td><\/tr><tr><td><strong><span class=\"\">\u201cRDP\u201d s plnivem\u201d<\/span><\/strong><\/td><td><span class=\"\">P\u0159im\u00edch\u00e1v\u00e1n\u00ed velk\u00e9ho mno\u017estv\u00ed ultrajemn\u011b mlet\u00e9ho uhli\u010ditanu v\u00e1penat\u00e9ho nebo kaolinu do RDP za \u00fa\u010delem sn\u00ed\u017een\u00ed n\u00e1klad\u016f, co\u017e v\u0161ak vede ke sn\u00ed\u017een\u00ed obsahu \u00fa\u010dinn\u00e9ho polymeru.<\/span><\/td><td><span class=\"\">\u017d\u00e1dost\u00a0<\/span><strong><span class=\"\">obsah organick\u00e9 hmoty<\/span><\/strong><span class=\"\">\u00a0\u00fadaje; mus\u00ed b\u00fdt \u226580% (po ode\u010dten\u00ed anorganick\u00fdch nosi\u010d\u016f z popela).<\/span><\/td><\/tr><tr><td><strong><span class=\"\">\u0160patn\u00e1 redisperze p\u0159i mal\u00e9 velikosti \u010d\u00e1stic<\/span><\/strong><\/td><td><span class=\"\">Nedostate\u010dn\u00e1 technologie rozpra\u0161ovac\u00edho su\u0161en\u00ed, kter\u00e1 vede k velikosti redispergovan\u00fdch \u010d\u00e1stic &gt;10 \u03bcm, co\u017e m\u00e1 za n\u00e1sledek ne\u00fapln\u00e9 vytvo\u0159en\u00ed filmu.<\/span><\/td><td><span class=\"\">1 g RDP rozpus\u0165te v 10 ml vody, nechte 2 hodiny odst\u00e1t a sledujte usazeninu. U kvalitn\u00edho produktu by m\u011bla vzniknout jednotn\u00e1 ml\u00e9\u010dn\u011b b\u00edl\u00e1 kapalina bez v\u00fdrazn\u00e9 usazeniny.<\/span><\/td><\/tr><\/tbody><\/table><\/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-20894c7 elementor-widget elementor-widget-heading\" data-id=\"20894c7\" data-element_type=\"widget\" data-e-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\">IV. Doporu\u010den\u00ed t\u00fdkaj\u00edc\u00ed se prov\u011b\u0159ov\u00e1n\u00ed dodavatel\u016f a kontroly kvality p\u0159\u00edchoz\u00edch dod\u00e1vek<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c80091a elementor-widget elementor-widget-text-editor\" data-id=\"c80091a\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">I u stejn\u00e9 zna\u010dky mohou mezi jednotliv\u00fdmi \u0161ar\u017eemi vod\u011bodoln\u00e9ho RDP doch\u00e1zet k odchylk\u00e1m. Doporu\u010dujeme stanovit n\u00e1sleduj\u00edc\u00ed\u00a0<\/span><strong><span class=\"\">Rychl\u00fd pracovn\u00ed postup p\u0159i vstupn\u00ed kontrole kvality (IQC)<\/span><\/strong><span class=\"\">:<\/span><\/p><ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Ka\u017ed\u00e1 \u0161ar\u017ee<\/span><\/strong><span class=\"\">\u00a0\u2013 Zkontrolujte vzhled (b\u00edl\u00fd sypk\u00fd pr\u00e1\u0161ek, bez hrudek), hodnotu pH (vodn\u00fd roztok 1%, m\u011bla by b\u00fdt v rozmez\u00ed 6,0\u20138,5) a zbytky po pros\u00e9v\u00e1n\u00ed (s\u00edto 0,2 mm, \u22641,0%).<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">T\u00fddenn\u00ed nam\u00e1tkov\u00e1 kontrola<\/span><\/strong><span class=\"\">\u00a0\u2013 P\u0159ipravte standardn\u00ed maltu a prove\u010fte zkou\u0161ku\u00a0<\/span><strong><span class=\"\">Pevnost spoje za mokra po 24 hodin\u00e1ch<\/span><\/strong><span class=\"\">\u00a0\u2013 tento test je jednoduch\u00fd, rychl\u00fd a \u00fa\u010dinn\u011b odhaluje zhor\u0161en\u00ed kvality mezi jednotliv\u00fdmi \u0161ar\u017eemi.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u010ctvrtletn\u00ed kompletn\u00ed test<\/span><\/strong><span class=\"\">\u00a0\u2013 Zaslat vzorky do nez\u00e1visl\u00e9 laborato\u0159e za \u00fa\u010delem\u00a0<\/span><strong><span class=\"\">pevnost za mokra p\u0159i st\u00e1rnut\u00ed v hork\u00e9 vod\u011b<\/span><\/strong><span class=\"\">\u00a0a\u00a0<\/span><strong><span class=\"\">cykly zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed<\/span><\/strong><span class=\"\">\u00a0jako kl\u00ed\u010dov\u00e9 krit\u00e9rium p\u0159i ka\u017edoro\u010dn\u00edm hodnocen\u00ed dodavatel\u016f.<\/span><\/p><\/li><\/ol>\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-d8fadd9 elementor-widget elementor-widget-heading\" data-id=\"d8fadd9\" data-element_type=\"widget\" data-e-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\">Z\u00e1v\u011br<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cac3e9 elementor-widget elementor-widget-text-editor\" data-id=\"6cac3e9\" data-element_type=\"widget\" data-e-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 class=\"ds-markdown-paragraph\"><span class=\"\">V\u00fdb\u011br vod\u011bodoln\u00e9ho redispergovateln\u00e9ho polymern\u00edho pr\u00e1\u0161ku nen\u00ed ot\u00e1zkou optimalizace jednotliv\u00fdch technick\u00fdch parametr\u016f, ale sp\u00ed\u0161e posouzen\u00edm kompatibility mezi polymern\u00edm syst\u00e9mem a celkov\u00fdmi funk\u010dn\u00edmi po\u017eadavky receptury malty. Spolehlivost rozhodnut\u00ed o v\u00fdb\u011bru z\u00e1vis\u00ed na zodpov\u011bzen\u00ed t\u0159\u00ed postupn\u00fdch \u00farovn\u00ed ot\u00e1zek: za prv\u00e9, zda chemick\u00e1 struktura polymeru ze sv\u00e9 podstaty disponuje termodynamick\u00fdm z\u00e1kladem pro odolnost proti hydrol\u00fdze a zachov\u00e1n\u00ed hydrofobity; za druh\u00e9, zda po vytvo\u0159en\u00ed filmu v alkalick\u00e9m cementov\u00e9m prost\u0159ed\u00ed jsou jeho hustota zes\u00ed\u0165ov\u00e1n\u00ed a kompaktnost dostate\u010dn\u00e9 k udr\u017een\u00ed mechanick\u00e9 integrity za dlouhodob\u00fdch vlhk\u00fdch podm\u00ednek; a za t\u0159et\u00ed, zda je v\u00fd\u0161e uveden\u00e1 v\u00fdkonnost reprodukovateln\u00e1 p\u0159i s\u00e9riov\u00e9 v\u00fdrob\u011b.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Bez t\u011bchto t\u0159\u00ed \u00farovn\u00ed nem\u016f\u017ee \u017e\u00e1dn\u00fd jednotliv\u00fd ukazatel \u2013 a\u0165 u\u017e jde o po\u010d\u00e1te\u010dn\u00ed p\u0159ilnavost, hodnotu Tg nebo jednotkovou cenu \u2013 p\u0159edstavovat dostate\u010dn\u00fd z\u00e1klad pro rozhodov\u00e1n\u00ed. Zejm\u00e9na u sc\u00e9n\u00e1\u0159\u016f pou\u017eit\u00ed, jako jsou fas\u00e1dy, vlhk\u00e9 prostory a prost\u0159ed\u00ed s cykly zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed, je vod\u011bodolnost v podstat\u011b schopnost\u00ed maltov\u00e9ho syst\u00e9mu dlouhodob\u011b odol\u00e1vat kombinovan\u00fdm vliv\u016fm st\u0159\u00edd\u00e1n\u00ed vlhka a sucha, teplotn\u00edch v\u00fdkyv\u016f a chemick\u00e9ho p\u016fsoben\u00ed. J\u00e1drem v\u00fdb\u011brov\u00e9ho procesu proto mus\u00ed b\u00fdt zkou\u0161ky v extr\u00e9mn\u00edch podm\u00ednk\u00e1ch, v\u010detn\u011b tepeln\u00e9ho st\u00e1rnut\u00ed, pono\u0159en\u00ed do alkalick\u00e9ho roztoku a cykl\u016f zmrazov\u00e1n\u00ed a rozmrazov\u00e1n\u00ed, nam\u00edsto toho, aby se jako kone\u010dn\u00fd bod hodnocen\u00ed braly v \u00favahu \u00fadaje o pono\u0159en\u00ed p\u0159i okoln\u00ed teplot\u011b. Mezi kr\u00e1tkodob\u00fdmi ukazateli a dlouhodob\u00fdm chov\u00e1n\u00edm neexistuje nutn\u011b line\u00e1rn\u00ed extrapolace \u2013 toto pozn\u00e1n\u00ed by m\u011blo prostupovat cel\u00fdm procesem ov\u011b\u0159ov\u00e1n\u00ed.<\/span><\/p>\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>","protected":false},"excerpt":{"rendered":"<p>Pokud se jedn\u00e1 o prost\u0159ed\u00ed s vysokou vlhkost\u00ed nebo dlouhodob\u00fdm pono\u0159en\u00edm, b\u011b\u017en\u00fd latexov\u00fd pr\u00e1\u0161ek \u010dasto nesta\u010d\u00ed. V takov\u00e9m p\u0159\u00edpad\u011b se vod\u011bodoln\u00fd redispergovateln\u00fd latexov\u00fd pr\u00e1\u0161ek st\u00e1v\u00e1 kl\u00ed\u010dov\u00fdm funk\u010dn\u00edm materi\u00e1lem, kter\u00fd zaji\u0161\u0165uje trvanlivost a bezpe\u010dnost projektu.<\/p>","protected":false},"author":1,"featured_media":14916,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-14895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"_links":{"self":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/comments?post=14895"}],"version-history":[{"count":26,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14895\/revisions"}],"predecessor-version":[{"id":14936,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/posts\/14895\/revisions\/14936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/media\/14916"}],"wp:attachment":[{"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/media?parent=14895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/categories?post=14895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenessy.com\/cs\/wp-json\/wp\/v2\/tags?post=14895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}