{"id":14752,"date":"2026-06-08T09:04:48","date_gmt":"2026-06-08T09:04:48","guid":{"rendered":"https:\/\/tenessy.com\/?p=14752"},"modified":"2026-06-08T09:04:49","modified_gmt":"2026-06-08T09:04:49","slug":"how-to-choose-between-flake-and-powder-polycarboxylate-a-practical-selection-guide-for-ready-mix-plants-and-mortar-plants","status":"publish","type":"post","link":"https:\/\/tenessy.com\/cs\/jak-si-vybrat-mezi-vlockovym-a-praskovym-polykarboxylatem-prakticky-pruvodce-vyberem-pro-vyrobny-hotovych-smesi-a-maltovych-smesi\/","title":{"rendered":"Jak si vybrat mezi polykarboxyl\u00e1tem ve form\u011b vlo\u010dek a v pr\u00e1\u0161ku? Praktick\u00fd pr\u016fvodce v\u00fdb\u011brem pro v\u00fdrobny hotov\u00fdch betonov\u00fdch sm\u011bs\u00ed a maltov\u00fdch sm\u011bs\u00ed"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14752\" class=\"elementor elementor-14752\" 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-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-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=\"445\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete.png\" class=\"attachment-large size-large wp-image-14768\" alt=\"beton\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete.png 896w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-300x167.png 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-768x427.png 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-18x10.png 18w\" 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-e0d9856 elementor-widget elementor-widget-heading\" data-id=\"e0d9856\" 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\">\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-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 oblasti p\u0159\u00edsad do betonu slou\u017e\u00ed superplastifik\u00e1tor na b\u00e1zi polykarboxyl\u00e1tov\u00e9ho etheru (PCE) jako kl\u00ed\u010dov\u00e1 slo\u017eka vysoce v\u00fdkonn\u00fdch prost\u0159edk\u016f pro sn\u00ed\u017een\u00ed spot\u0159eby vody a pou\u017eit\u00ed jeho produkt\u016f v pevn\u00e9 form\u011b se st\u00e1le v\u00edce roz\u0161i\u0159uje. V sou\u010dasn\u00e9 dob\u011b jsou na trhu dva hlavn\u00ed typy pevn\u00fdch produkt\u016f na b\u00e1zi PCE: vlo\u010dky (PCE vlo\u010dky) a pr\u00e1\u0161ky (obvykle vyr\u00e1b\u011bn\u00e9 post\u0159ikov\u00fdm su\u0161en\u00edm). Pro z\u00e1vody na v\u00fdrobu hotov\u00e9ho betonu (RMC) a <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/\">malta m\u00edchan\u00e1 za sucha<\/a><\/span> u za\u0159\u00edzen\u00ed m\u00e1 v\u00fdb\u011br materi\u00e1lu nejen vliv na \u0159\u00edzen\u00ed n\u00e1klad\u016f, ale tak\u00e9 p\u0159\u00edmo ovliv\u0148uje stabilitu v\u00fdkonu v\u00fdrobku a jeho kompatibilitu se st\u00e1vaj\u00edc\u00edmi v\u00fdrobn\u00edmi procesy.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Tento \u010dl\u00e1nek porovn\u00e1v\u00e1 technick\u00e9 rozd\u00edly mezi PCE ve form\u011b vlo\u010dek a pr\u00e1\u0161ku ze \u010dty\u0159 hledisek: fyzik\u00e1ln\u011b-chemick\u00e9 vlastnosti, principy v\u00fdrobn\u00edho procesu, kompatibilita p\u0159i m\u00edch\u00e1n\u00ed a oblasti pou\u017eit\u00ed. Rovn\u011b\u017e poskytuje r\u00e1mec pro rozhodov\u00e1n\u00ed zalo\u017een\u00fd na skute\u010dn\u00fdch v\u00fdrobn\u00edch podm\u00ednk\u00e1ch.<\/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-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. Rozd\u00edly v postupech p\u0159\u00edpravy a fyzik\u00e1ln\u011b-chemick\u00fdch parametrech<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7df1793 elementor-widget elementor-widget-image\" data-id=\"7df1793\" 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:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-1024x683.jpg\" class=\"attachment-large size-large wp-image-14758\" alt=\"Polykarboxyl\u00e1tov\u00e9 superplastifik\u00e1tory\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-18x12.jpg 18w\" 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-40c4e82 elementor-widget elementor-widget-heading\" data-id=\"40c4e82\" 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<h3 class=\"elementor-heading-title elementor-size-default\">1.  Pr\u00e1\u0161kov\u00fd PCE: Postup v\u00fdroby metodou rozpra\u0161ovac\u00edho su\u0161en\u00ed<\/h3>\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-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=\"\"><a href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer\/\">PCE v pr\u00e1\u0161ku<\/a> se obvykle vyr\u00e1b\u00ed pomoc\u00ed\u00a0<\/span><strong><span class=\"\">su\u0161en\u00ed rozpra\u0161ov\u00e1n\u00edm<\/span><\/strong><span class=\"\">\u00a0kapaln\u00fd v\u00fdluh PCE. V tomto procesu je kapaln\u00e1 hmota rozpt\u00fdlena odst\u0159ediv\u00fdm rozpra\u0161ova\u010dem na jemn\u00e9 kapi\u010dky a voda se rychle odpa\u0159uje v proudu hork\u00e9ho vzduchu, \u010d\u00edm\u017e se z\u00edsk\u00e1 pr\u00e1\u0161kov\u00fd produkt.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Typick\u00e9 technick\u00e9 parametry:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Vzhled: B\u00edl\u00fd nebo sv\u011btle \u017elut\u00fd pr\u00e1\u0161ek<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Jemnost: Zbytek na s\u00edtu s \u010dtvercov\u00fdmi oky o velikosti 0,315 mm (40 mesh) \u2264 10%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Obsah pevn\u00fdch l\u00e1tek: \u2265 98%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Objemov\u00e1 hmotnost: p\u0159ibli\u017en\u011b 400\u2013600 kg\/m\u00b3<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Charakteristiky procesu a omezen\u00ed t\u00fdkaj\u00edc\u00ed se materi\u00e1lu:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Proces rozpra\u0161ovac\u00edho su\u0161en\u00ed vy\u017eaduje vysok\u00e9 teploty (teplota p\u0159iv\u00e1d\u011bn\u00e9ho vzduchu obvykle 180\u2013250 \u00b0C), co\u017e m\u016f\u017ee zp\u016fsobit ur\u010dit\u00fd stupe\u0148 tepeln\u00e9 degradace molekul\u00e1rn\u00edch \u0159et\u011bzc\u016f PCE, co\u017e vede ke sn\u00ed\u017een\u00ed rychlosti odstra\u0148ov\u00e1n\u00ed vody p\u0159ibli\u017en\u011b o 3\u20138% ve srovn\u00e1n\u00ed s kapaln\u00fdm mate\u010dn\u00fdm roztokem.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">D\u00edky velk\u00e9mu m\u011brn\u00e9mu povrchu a povrchov\u00e9 energii je tento jemn\u00fd pr\u00e1\u0161ek velmi n\u00e1chyln\u00fd k absorpci vlhkosti. Jakmile relativn\u00ed vlhkost p\u0159ekro\u010d\u00ed 60%, projevuje se v\u00fdrazn\u00e1 tendence k hrudkovat\u011bn\u00ed.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Jemn\u00e9 pr\u00e1\u0161ky p\u0159edstavuj\u00ed riziko hromad\u011bn\u00ed elektrostatick\u00e9ho n\u00e1boje a v\u00fdbuchu prachu (s relativn\u011b n\u00edzkou minim\u00e1ln\u00ed zapalovac\u00ed energi\u00ed) b\u011bhem pneumatick\u00e9 p\u0159epravy a v prost\u0159ed\u00ed s vysokou pra\u0161nost\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-7109cfc elementor-widget elementor-widget-heading\" data-id=\"7109cfc\" 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<h3 class=\"elementor-heading-title elementor-size-default\">2.  Flake PCE: Proces hromadn\u00e9 polymerizace \/ granulace extruz\u00ed<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f8c240 elementor-widget elementor-widget-image\" data-id=\"1f8c240\" 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=\"720\" height=\"540\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake.jpg\" class=\"attachment-large size-large wp-image-14769\" alt=\"\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake.jpg 720w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake-300x225.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake-16x12.jpg 16w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/>\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-c7729ed elementor-widget elementor-widget-text-editor\" data-id=\"c7729ed\" 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 class=\"ds-markdown-paragraph\"><span class=\"\"><span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer-flake\/\">Flake PCE<\/a><\/span> se obvykle vyr\u00e1b\u00ed pomoc\u00ed\u00a0<\/span><strong><span class=\"\">hromadn\u00e1 polymerace<\/span><\/strong><span class=\"\">\u00a0nebo\u00a0<\/span><strong><span class=\"\">extr\u00faze za tepla<\/span><\/strong><span class=\"\">\u00a0procesy. V\u00fdrobn\u00ed postup zahrnuje: p\u0159\u00edmou polymerizaci sm\u011bs\u00ed monomer\u016f za bezrozpou\u0161t\u011bdlov\u00fdch podm\u00ednek za \u00fa\u010delem z\u00edsk\u00e1n\u00ed vysoce visk\u00f3zn\u00ed polymern\u00ed taveniny, na\u010de\u017e n\u00e1sleduje extruze, kalandrov\u00e1n\u00ed, chlazen\u00ed a drcen\u00ed za \u00fa\u010delem z\u00edsk\u00e1n\u00ed nepravideln\u00fdch vlo\u010dkovit\u00fdch \u010d\u00e1stic.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Typick\u00e9 technick\u00e9 parametry:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Vzhled: Pr\u016fsvitn\u00e9 nebo \u0161edob\u00edl\u00e9 nepravideln\u00e9 tenk\u00e9 vlo\u010dky<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Rozlo\u017een\u00ed velikosti \u010d\u00e1stic: D\u00e9lka se obvykle pohybuje v rozmez\u00ed 2\u20138 mm, tlou\u0161\u0165ka \u2264 1 mm<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Aktivn\u00ed slo\u017eka: \u2265 98% (s ni\u017e\u0161\u00edm obsahem zbytkov\u00fdch monomer\u016f ve srovn\u00e1n\u00ed s produkty su\u0161en\u00fdmi rozpra\u0161ov\u00e1n\u00edm)<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Objemov\u00e1 hmotnost: p\u0159ibli\u017en\u011b 550\u2013700 kg\/m\u00b3<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Charakteristiky procesu a v\u00fdhody materi\u00e1lu:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">V\u00fdrobn\u00ed proces nezahrnuje f\u00e1ze su\u0161en\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch, \u010d\u00edm\u017e se zachov\u00e1v\u00e1 neporu\u0161enost molekul\u00e1rn\u00ed struktury. M\u00edra redukce obsahu vody je v podstat\u011b stejn\u00e1 jako u kapaln\u00e9ho mate\u010dn\u00e9ho roztoku.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Pravideln\u00fd tvar \u010d\u00e1stic a lep\u0161\u00ed sypkost ve srovn\u00e1n\u00ed s jemn\u00fdmi pr\u00e1\u0161ky; n\u00edzk\u00e1 pra\u0161nost a stabiln\u00ed v\u00fdkon v pneumatick\u00fdch dopravn\u00edch syst\u00e9mech.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">V\u00fdrazn\u011b ni\u017e\u0161\u00ed m\u00edra absorpce vlhkosti ve srovn\u00e1n\u00ed s pr\u00e1\u0161kov\u00fdmi v\u00fdrobky. Po 30 dnech skladov\u00e1n\u00ed p\u0159i relativn\u00ed vlhkosti 70% nebylo zaznamen\u00e1no \u017e\u00e1dn\u00e9 zjevn\u00e9 hrudkovat\u011bn\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-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" 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\">II.  Anal\u00fdza kompatibility s v\u00fdrobn\u00edmi procesy m\u00edch\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-57a3cf5 elementor-widget elementor-widget-text-editor\" data-id=\"57a3cf5\" 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 class=\"ds-markdown-paragraph\">Kl\u00ed\u010dov\u00fdm krit\u00e9riem pro v\u00fdb\u011br materi\u00e1lu je rovnom\u011brnost prom\u00edch\u00e1n\u00ed a p\u0159esnost d\u00e1vkov\u00e1n\u00ed pevn\u00e9ho PCE v r\u00e1mci st\u00e1vaj\u00edc\u00edch v\u00fdrobn\u00edch proces\u016f z\u00e1vodu na v\u00fdrobu hotov\u00e9 betonov\u00e9 sm\u011bsi (RMC) nebo malt\u00e1rny.<\/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-beb8d88 elementor-widget elementor-widget-heading\" data-id=\"beb8d88\" 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<h3 class=\"elementor-heading-title elementor-size-default\">1.  Logika kompatibility beton\u00e1ren na hotovou sm\u011bs (mokr\u00e1 sm\u011bs \/ komer\u010dn\u00ed beton)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d3e02e elementor-widget elementor-widget-text-editor\" data-id=\"9d3e02e\" 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 class=\"ds-markdown-paragraph\"><span class=\"\">Typick\u00fd postup v\u00fdroby v z\u00e1vod\u011b na v\u00fdrobu hotov\u00e9 betonov\u00e9 sm\u011bsi je n\u00e1sleduj\u00edc\u00ed: kamenivo \u2192 cement \/ dopl\u0148kov\u00e9 cementov\u00e9 materi\u00e1ly \u2192 voda \u2192 p\u0159id\u00e1n\u00ed p\u0159\u00edsad. Z\u00e1vody na v\u00fdrobu hotov\u00e9 betonov\u00e9 sm\u011bsi jsou obvykle vybaveny z\u00e1sobn\u00edky na kapaln\u00e9 p\u0159\u00edsady a d\u00e1vkovac\u00edmi syst\u00e9my.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nev\u00fdhody pr\u00e1\u0161kov\u00e9ho PCE v tomto sc\u00e9n\u00e1\u0159i<\/span><\/strong><span class=\"\">: Pr\u00e1\u0161ek m\u00e1 sklon k absorpci vlhkosti a hrudkovat\u011bn\u00ed, co\u017e m\u016f\u017ee zp\u016fsobit ucp\u00e1n\u00ed \u0161nekov\u00fdch dopravn\u00edk\u016f nebo pneumatick\u00fdch dopravn\u00edch tras. Nav\u00edc m\u016f\u017ee zna\u010dn\u00e9 pra\u0161ov\u00e1n\u00ed v\u00e9st k nadm\u011brn\u00fdm koncentrac\u00edm PM10 v pracovn\u00edm prost\u0159ed\u00ed.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">V\u00fdhody vlo\u010dkov\u00e9ho PCE v tomto sc\u00e9n\u00e1\u0159i<\/span><\/strong><span class=\"\">: D\u00edky sv\u00e9 sypnosti a rovnom\u011brn\u00e9 velikosti \u010d\u00e1stic jsou vlo\u010dkov\u00e9 produkty vhodn\u00e9 pro syst\u00e9my d\u00e1vkov\u00e1n\u00ed pevn\u00fdch p\u0159\u00edsad. Z\u00e1vody na v\u00fdrobu hotov\u00fdch betonov\u00fdch sm\u011bs\u00ed (RMC) mohou vlo\u010dky rozpustit v n\u00e1dr\u017ei na p\u0159edm\u00edch\u00e1n\u00ed a vyrobit tak tekutou p\u0159\u00edsadu, nebo je p\u0159idat p\u0159\u00edmo do m\u00edcha\u010dky. D\u00edky vysok\u00e9mu obsahu \u00fa\u010dinn\u00e9 l\u00e1tky ve vlo\u010dkov\u00fdch produktech (ve srovn\u00e1n\u00ed s kapalnou sm\u011bs\u00ed o koncentraci 20%) se n\u00e1klady na p\u0159epravu sni\u017euj\u00ed p\u0159ibli\u017en\u011b o 75%, co\u017e je \u010din\u00ed obzvl\u00e1\u0161t\u011b vhodn\u00fdmi pro p\u0159epravu na st\u0159edn\u00ed a\u017e dlouh\u00e9 vzd\u00e1lenosti a pro mobiln\u00ed z\u00e1vody na v\u00fdrobu hotov\u00e9 betonov\u00e9 sm\u011bsi, kter\u00e9 nejsou vybaveny z\u00e1sobn\u00edky na kapaliny.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Doporu\u010den\u00ed<\/span><\/strong><span class=\"\">: U za\u0159\u00edzen\u00ed RMC, kter\u00e1 jsou ji\u017e vybavena p\u0159\u00edvodn\u00edm otvorem pro pevn\u00e9 p\u0159\u00edsady, se up\u0159ednost\u0148uje PCE ve form\u011b vlo\u010dek. U za\u0159\u00edzen\u00ed, kter\u00e1 p\u0159ij\u00edmaj\u00ed pouze kapaln\u00e9 p\u0159\u00edsady, je nutn\u00e9 PCE ve form\u011b vlo\u010dek p\u0159ed pou\u017eit\u00edm na m\u00edst\u011b rozpustit a p\u0159ipravit.<\/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-b651205 elementor-widget elementor-widget-heading\" data-id=\"b651205\" 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<h3 class=\"elementor-heading-title elementor-size-default\">2.  Logika kompatibility malt\u00e1rny (such\u00e9 maltov\u00e9 sm\u011bsi)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38d3ec4 elementor-widget elementor-widget-text-editor\" data-id=\"38d3ec4\" 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 class=\"ds-markdown-paragraph\"><span class=\"\">Z\u00e1kladn\u00edm po\u017eadavkem p\u0159i v\u00fdrob\u011b such\u00fdch maltov\u00fdch sm\u011bs\u00ed je rovnom\u011brn\u00e9 rozpt\u00fdlen\u00ed pr\u00e1\u0161kov\u00e9 sm\u011bsi. Mezi nej\u010dast\u011bji pou\u017e\u00edvan\u00e1 za\u0159\u00edzen\u00ed pat\u0159\u00ed dvouh\u0159\u00eddelov\u00e9 lopatkov\u00e9 m\u00edcha\u010dky nebo p\u00e1sov\u00e9 m\u00edcha\u010dky, p\u0159i\u010dem\u017e mezi m\u00edchan\u00e9 materi\u00e1ly pat\u0159\u00ed cement, t\u0159\u00edd\u011bn\u00fd p\u00edsek, miner\u00e1ln\u00ed p\u0159\u00edsady a pevn\u00e9 p\u0159\u00edsady.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">V\u00fdhody pr\u00e1\u0161kov\u00e9ho PCE v tomto sc\u00e9n\u00e1\u0159i<\/span><\/strong><span class=\"\">: Rozlo\u017een\u00ed velikosti \u010d\u00e1stic pr\u00e1\u0161kov\u00e9ho PCE (D50 p\u0159ibli\u017en\u011b 100\u2013300 \u03bcm) se bl\u00ed\u017e\u00ed rozlo\u017een\u00ed velikosti \u010d\u00e1stic cementu (D50 p\u0159ibli\u017en\u011b 15\u201330 \u03bcm) a jemn\u00e9ho p\u00edsku (\u2264 600 \u03bcm). To umo\u017e\u0148uje mikroskopicky rovnom\u011brn\u00e9 rozlo\u017een\u00ed b\u011bhem f\u00e1ze p\u0159edm\u00edch\u00e1n\u00ed, \u010d\u00edm\u017e se zabr\u00e1n\u00ed segregaci. Pro aplikace s p\u0159\u00edsn\u00fdmi po\u017eadavky na homogenitu \u2013 jako jsou lepidla na obklady, samonivela\u010dn\u00ed hmoty a sp\u00e1rovac\u00ed hmoty \u2013 je pr\u00e1\u0161kov\u00fd PCE standardn\u00ed a v oboru osv\u011bd\u010denou volbou.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nev\u00fdhody vlo\u010dkov\u00e9ho PCE v tomto sc\u00e9n\u00e1\u0159i<\/span><\/strong><span class=\"\">: Geometrick\u00e9 rozm\u011bry vlo\u010dkovit\u00fdch \u010d\u00e1stic (\u2265 2 mm) jsou v\u00fdrazn\u011b v\u011bt\u0161\u00ed ne\u017e rozm\u011bry ostatn\u00edch pevn\u00fdch slo\u017eek v maltov\u00e9m syst\u00e9mu. B\u011bhem m\u00edch\u00e1n\u00ed a p\u0159epravy jsou vlo\u010dkovit\u00e9 \u010d\u00e1stice v d\u016fsledku vibrac\u00ed a rozd\u00edl\u016f ve velikosti \u010d\u00e1stic n\u00e1chyln\u00e9 k\u00a0<\/span><strong><span class=\"\">segregace<\/span><\/strong><span class=\"\">\u00a0\u2014 v\u011bt\u0161\u00ed \u010d\u00e1stice se odvaluj\u00ed a hromad\u00ed se na okraj\u00edch nebo na dn\u011b hromady materi\u00e1lu, co\u017e vede k nerovnom\u011brn\u00e9mu obsahu superplastifik\u00e1toru v jednotliv\u00fdch pytl\u00edch. V praxi se segregace projevuje rozd\u00edly v tekutosti p\u0159esahuj\u00edc\u00edmi 20 mm v r\u00e1mci jedn\u00e9 \u0161ar\u017ee nebo z\u00e1va\u017en\u00fdmi kvalitativn\u00edmi probl\u00e9my, jako je lok\u00e1ln\u00ed zpomalen\u00ed tuhnut\u00ed \u010di lok\u00e1ln\u00ed netuhnut\u00ed.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Z\u00e1v\u011br<\/span><\/strong><span class=\"\">: P\u0159i v\u00fdrob\u011b tenkovrstv\u00fdch malt (nap\u0159. lepidel na obklady, om\u00edtkov\u00fdch malt) nebo malt s vysokou tekutost\u00ed (nap\u0159. samonivela\u010dn\u00edch hmot) mus\u00ed v\u00fdrobci malt pou\u017e\u00edvat pr\u00e1\u0161kov\u00fd PCE. V tomto p\u0159\u00edpad\u011b by se nem\u011bly jako n\u00e1hrada pou\u017e\u00edvat vlo\u010dkov\u00e9 produkty.<\/span><\/p>\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-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-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. Skladov\u00e1n\u00ed, p\u0159eprava a srovn\u00e1n\u00ed n\u00e1klad\u016f<\/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-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<table><thead><tr><th><span class=\"\">Parametr<\/span><\/th><th><span class=\"\">PCE v pr\u00e1\u0161ku<\/span><\/th><th><span class=\"\">Flake PCE<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">Balen\u00ed<\/span><\/td><td><span class=\"\">25 kg vlhkosti odoln\u00fd tkan\u00fd pytel (s vnit\u0159n\u00ed PE vlo\u017ekou) nebo 1 tunov\u00fd vlhkosti odoln\u00fd pytel<\/span><\/td><td><span class=\"\">25 kg tkan\u00fd pytel nebo tunov\u00fd pytel; ni\u017e\u0161\u00ed po\u017eadavky na vnit\u0159n\u00ed vlo\u017eku ne\u017e u pr\u00e1\u0161ku<\/span><\/td><\/tr><tr><td><span class=\"\">Podm\u00ednky skladov\u00e1n\u00ed<\/span><\/td><td><span class=\"\">Chladn\u00e9 a such\u00e9 prost\u0159ed\u00ed, relativn\u00ed vlhkost \u2264 50%, v\u00fd\u0161ka stohu \u2264 8 vrstev<\/span><\/td><td><span class=\"\">Relativn\u00ed vlhkost \u2264 70%, v\u00fd\u0161ka stohu \u2264 10 vrstev<\/span><\/td><\/tr><tr><td><span class=\"\">Doba skladovatelnosti (v such\u00e9m prost\u0159ed\u00ed)<\/span><\/td><td><span class=\"\">6 m\u011bs\u00edc\u016f (po uplynut\u00ed t\u00e9to doby se riziko sp\u00e9k\u00e1n\u00ed v\u00fdrazn\u011b zvy\u0161uje)<\/span><\/td><td><span class=\"\">12 m\u011bs\u00edc\u016f nebo v\u00edce<\/span><\/td><\/tr><tr><td><span class=\"\">N\u00e1klady na p\u0159epravu na jednotku \u00fa\u010dinn\u00e9 l\u00e1tky (ve srovn\u00e1n\u00ed s kapalinou 20%)<\/span><\/td><td><span class=\"\">Sn\u00ed\u017een\u00ed p\u0159ibli\u017en\u011b o 70%<\/span><\/td><td><span class=\"\">Sn\u00ed\u017een\u00ed p\u0159ibli\u017en\u011b o 75%<\/span><\/td><\/tr><\/tbody><\/table>\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-bc2449f elementor-widget elementor-widget-heading\" data-id=\"bc2449f\" 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\">\u2163. Rozhodovac\u00ed matice pro v\u00fdb\u011br materi\u00e1lu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29d16f elementor-widget elementor-widget-text-editor\" data-id=\"c29d16f\" 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 class=\"ds-markdown-paragraph\"><span class=\"\">Vyberte podle n\u00e1sleduj\u00edc\u00edch podm\u00ednek:<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sc\u00e9n\u00e1\u0159 A: V\u00fdrobn\u00ed linka na such\u00e9 malty (mezi typy v\u00fdrobk\u016f pat\u0159\u00ed <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/\">lepidla na dla\u017edice<\/a><\/span>, <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/application-self-leveling\/\">samonivela\u010dn\u00ed sm\u011bsi<\/a><\/span>, hydroizola\u010dn\u00ed malty, opravn\u00e9 malty atd.)<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Jedine\u010dn\u011b doporu\u010den\u00e1 forma: PCE v pr\u00e1\u0161kov\u00e9 form\u011b<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Od\u016fvodn\u011bn\u00ed<\/span><\/strong><span class=\"\">: Dobr\u00e9 slad\u011bn\u00ed velikosti \u010d\u00e1stic, regulovateln\u00e1 rovnom\u011brn\u00e1 disperze v mikrom\u011b\u0159\u00edtku, eliminace rizika segregace.\u00a0<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sc\u00e9n\u00e1\u0159 B: Komer\u010dn\u00ed z\u00e1vod na v\u00fdrobu hotov\u00e9 bet\u00f3nov\u00e9 sm\u011bsi (RMC) nebo z\u00e1vod na v\u00fdrobu malty mokrou sm\u011bs\u00ed, vybaven\u00fd z\u00e1sobn\u00edky na kapaliny a schopnost\u00ed p\u0159\u00edpravy sm\u011bsi p\u0159\u00edmo na m\u00edst\u011b<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Doporu\u010den\u00e1 forma: PCE ve form\u011b vlo\u010dek (p\u0159ed pou\u017eit\u00edm se rozpou\u0161t\u00ed na m\u00edst\u011b)<\/span><\/strong><span class=\"\">, nebo tekut\u00fd PCE z p\u0159\u00edm\u00e9ho zdroje<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Od\u016fvodn\u011bn\u00ed<\/span><\/strong><span class=\"\">: V\u00fdrazn\u00e9 \u00faspory v n\u00e1kladech na dopravu a skladov\u00e1n\u00ed d\u00edky vysok\u00e9mu obsahu \u00fa\u010dinn\u00e9 l\u00e1tky ve vlo\u010dkov\u00fdch produktech. Jednoduch\u00fd proces rozpou\u0161t\u011bn\u00ed (m\u00edchac\u00ed n\u00e1dr\u017e + voda + PCE ve form\u011b vlo\u010dek, rozpou\u0161t\u011bn\u00ed p\u0159i pokojov\u00e9 teplot\u011b po dobu 30\u201360 minut).<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sc\u00e9n\u00e1\u0159 C: Komer\u010dn\u00ed z\u00e1vod na v\u00fdrobu hotov\u00e9ho betonu (RMC) nebo z\u00e1vod na v\u00fdrobu malty mokrou sm\u011bs\u00ed, bez mo\u017enosti \u0159ed\u011bn\u00ed kapalinou, s \u00famyslem p\u0159id\u00e1vat p\u0159\u00edmo pevn\u00e9 p\u0159\u00edsady<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Doporu\u010den\u00e1 forma: PCE ve form\u011b vlo\u010dek<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Od\u016fvodn\u011bn\u00ed<\/span><\/strong><span class=\"\">: U pr\u00e1\u0161kov\u00fdch produkt\u016f se vyskytuj\u00ed z\u00e1va\u017en\u00e9 probl\u00e9my s tvorbou prachu a ucp\u00e1v\u00e1n\u00edm. Vlo\u010dkov\u00e9 produkty, kter\u00e9 se vyzna\u010duj\u00ed dobrou sypkost\u00ed, lze p\u0159id\u00e1vat p\u0159\u00edmo pomoc\u00ed speci\u00e1ln\u00edch d\u00e1vkova\u010d\u016f pevn\u00fdch l\u00e1tek.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sc\u00e9n\u00e1\u0159 D: D\u00e1lkov\u00e1 p\u0159eprava nebo v\u00fdvozn\u00ed obchod<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Jedine\u010dn\u011b doporu\u010den\u00e1 forma: Flake PCE<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Od\u016fvodn\u011bn\u00ed<\/span><\/strong><span class=\"\">: U pr\u00e1\u0161kov\u00fdch produkt\u016f existuje velmi vysok\u00e1 pravd\u011bpodobnost shlukov\u00e1n\u00ed b\u011bhem dlouhodob\u00e9 n\u00e1mo\u0159n\u00ed p\u0159epravy nebo skladov\u00e1n\u00ed ve skladech s vysokou teplotou a vlhkost\u00ed. Vlo\u010dkov\u00e9 produkty vykazuj\u00ed vysokou odolnost v\u016f\u010di pov\u011btrnostn\u00edm vliv\u016fm a stabilita jejich kvality byla ov\u011b\u0159ena v r\u00e1mci mezin\u00e1rodn\u00edch in\u017een\u00fdrsk\u00fdch projekt\u016f.<\/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-514c49a elementor-widget elementor-widget-heading\" data-id=\"514c49a\" 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\">\u2164. \u010cast\u00e9 myln\u00e9 p\u0159edstavy p\u0159i v\u00fdb\u011bru materi\u00e1lu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63e8315 elementor-widget elementor-widget-text-editor\" data-id=\"63e8315\" 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<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Myln\u00e1 p\u0159edstava<\/span><\/strong><span class=\"\">: P\u0159edpokl\u00e1d\u00e1 se, \u017ee pr\u00e1\u0161kov\u00fd PCE m\u00e1 v\u017edy vy\u0161\u0161\u00ed m\u00edru sn\u00ed\u017een\u00ed spot\u0159eby vody ne\u017e vlo\u010dkov\u00fd PCE.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fakt<\/span><\/strong><span class=\"\">: Vzhledem k tepeln\u00e9 degradaci b\u011bhem procesu rozpra\u0161ovac\u00edho su\u0161en\u00ed je m\u00edra sn\u00ed\u017een\u00ed spot\u0159eby vody u pr\u00e1\u0161kov\u00e9ho PCE obecn\u011b ni\u017e\u0161\u00ed ne\u017e u vlo\u010dkov\u00e9ho PCE se stejn\u00fdm slo\u017een\u00edm. P\u0159i v\u00fdb\u011bru je t\u0159eba vy\u017e\u00e1dat si zku\u0161ebn\u00ed protokoly od nez\u00e1visl\u00fdch subjekt\u016f, aby bylo mo\u017en\u00e9 porovnat tekutost cementov\u00e9 pasty a \u00fadaje o skute\u010dn\u00e9 m\u00ed\u0159e sn\u00ed\u017een\u00ed spot\u0159eby vody.<\/span><\/p><\/li><\/ul><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Myln\u00e1 p\u0159edstava<\/span><\/strong><span class=\"\">: V domn\u011bn\u00ed, \u017ee PCE ve form\u011b vlo\u010dek se v\u017edy rozpou\u0161t\u00ed pomalu, a proto nen\u00ed vhodn\u00e9 pro aplikace s kr\u00e1tkou dobou m\u00edch\u00e1n\u00ed.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fakt<\/span><\/strong><span class=\"\">: Rychlost rozpou\u0161t\u011bn\u00ed vlo\u010dkov\u00e9ho PCE je nep\u0159\u00edmo \u00fam\u011brn\u00e1 jeho tlou\u0161\u0165ce. U vlo\u010dkov\u00fdch produkt\u016f s tlou\u0161\u0165kou v rozmez\u00ed 0,5 a\u017e 1,0 mm \u010din\u00ed doba \u00fapln\u00e9ho rozpu\u0161t\u011bn\u00ed ve vod\u011b o pokojov\u00e9 teplot\u011b (20 \u00b0C) za m\u00edch\u00e1n\u00ed obvykle \u2264 10 minut, co\u017e nenaru\u0161uje standardn\u00ed proces m\u00edch\u00e1n\u00ed betonu (obvykl\u00e1 doba m\u00edch\u00e1n\u00ed 30\u201390 sekund). Jak\u00e9koli zbytkov\u00e9 \u010d\u00e1stice se d\u00e1le rozpou\u0161t\u011bj\u00ed b\u011bhem n\u00e1sledn\u00e9 p\u0159epravy a ukl\u00e1d\u00e1n\u00ed.<\/span><\/p><\/li><\/ul><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Myln\u00e1 p\u0159edstava<\/span><\/strong><span class=\"\">: Pou\u017eit\u00ed vlo\u010dkov\u00e9ho PCE v such\u00fdch maltov\u00fdch sm\u011bs\u00edch za \u00fa\u010delem sn\u00ed\u017een\u00ed n\u00e1klad\u016f na materi\u00e1l.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fakt<\/span><\/strong><span class=\"\">: Celkov\u00e9 ztr\u00e1ty, kter\u00e9 vznikaj\u00ed v\u00fdrobci malty v d\u016fsledku vr\u00e1cen\u00ed v\u00fdrobk\u016f nebo spor\u016f ohledn\u011b kvality projektu zp\u016fsoben\u00fdch segregac\u00ed, daleko p\u0159evy\u0161uj\u00ed nepatrn\u00e9 \u00faspory n\u00e1klad\u016f na suroviny.\u00a0<\/span><strong><span class=\"\">P\u0159\u00edm\u00e9 pou\u017eit\u00ed vlo\u010dkov\u00e9ho PCE v such\u00fdch maltov\u00fdch sm\u011bs\u00edch bez jemn\u00e9ho rozm\u011bln\u011bn\u00ed je p\u0159\u00edsn\u011b zak\u00e1z\u00e1no.<\/span><\/strong><\/p><\/li><\/ul><\/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-9cf3064 elementor-widget elementor-widget-heading\" data-id=\"9cf3064\" 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\">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-d55bd9a elementor-widget elementor-widget-text-editor\" data-id=\"d55bd9a\" 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 class=\"ds-markdown-paragraph\"><span class=\"\">Volba mezi vlo\u010dkovit\u00fdm a pr\u00e1\u0161kov\u00fdm PCE v z\u00e1sad\u011b spo\u010d\u00edv\u00e1 v up\u0159ednostn\u011bn\u00ed bu\u010f kompatibility s v\u00fdrobn\u00edm procesem, nebo stability kvality produktu. V p\u0159\u00edpad\u011b z\u00e1vod\u016f na v\u00fdrobu such\u00fdch maltov\u00fdch sm\u011bs\u00ed je pr\u00e1\u0161kov\u00e9 PCE d\u00edky sv\u00fdm v\u00fdhod\u00e1m v oblasti p\u0159izp\u016fsoben\u00ed velikosti \u010d\u00e1stic nenahraditeln\u00e9. V p\u0159\u00edpad\u011b z\u00e1vod\u016f na v\u00fdrobu hotov\u00fdch maltov\u00fdch sm\u011bs\u00ed (RMC) a p\u0159i obchodu na velk\u00e9 vzd\u00e1lenosti jsou naopak v\u00fdrazn\u011bj\u0161\u00ed v\u00fdhody vlo\u010dkovit\u00e9ho PCE z hlediska n\u00e1klad\u016f a stability.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Rozhodnut\u00ed o v\u00fdb\u011bru by m\u011bla b\u00fdt p\u0159ij\u00edm\u00e1na na z\u00e1klad\u011b komplexn\u00edho posouzen\u00ed slo\u017een\u00ed v\u00fdrobku, stavu za\u0159\u00edzen\u00ed a mo\u017enost\u00ed kontroly kvality. P\u0159ed ofici\u00e1ln\u00edm uveden\u00edm do v\u00fdroby by m\u011bly b\u00fdt provedeny zku\u0161ebn\u00ed m\u00edch\u00e1n\u00ed v mal\u00e9m m\u011b\u0159\u00edtku a zkou\u0161ky homogenity.<\/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>V oblasti p\u0159\u00edsad do betonu p\u0159edstavuje polykarboxyl\u00e1tov\u00fd superplastifik\u00e1tor (PCE) kl\u00ed\u010dovou slo\u017eku vysoce \u00fa\u010dinn\u00fdch prost\u0159edk\u016f sni\u017euj\u00edc\u00edch spot\u0159ebu vody a pou\u017eit\u00ed jeho produkt\u016f v pevn\u00e9 form\u011b se st\u00e1v\u00e1 st\u00e1le b\u011b\u017en\u011bj\u0161\u00edm.<\/p>","protected":false},"author":1,"featured_media":14768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Choose Between Flake and Powder Polycarboxylate? 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