{"id":13040,"date":"2025-10-13T06:52:21","date_gmt":"2025-10-13T06:52:21","guid":{"rendered":"https:\/\/tenessy.com\/?p=13040"},"modified":"2025-10-14T06:57:43","modified_gmt":"2025-10-14T06:57:43","slug":"how-to-increase-the-open-time-of-tile-adhesive","status":"publish","type":"post","link":"https:\/\/tenessy.com\/nl\/hoe-de-open-tijd-van-tegellijm-te-verlengen\/","title":{"rendered":"Hoe verleng je de open tijd van tegellijm?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"13040\" class=\"elementor elementor-13040\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-flex e-con-boxed 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\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c494953 elementor-widget elementor-widget-image\" data-id=\"c494953\" 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:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/hpmc_for_ceramic-tiles.webp\" class=\"attachment-large size-large wp-image-12141\" alt=\"hpmc_voor_keramische_tegels\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/hpmc_for_ceramic-tiles.webp 800w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/hpmc_for_ceramic-tiles-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/hpmc_for_ceramic-tiles-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/06\/hpmc_for_ceramic-tiles-18x12.webp 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-4020bf0 elementor-widget elementor-widget-heading\" data-id=\"4020bf0\" 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\">Wat is de \"open tijd\" van tegellijm? Waarom is dat cruciaal?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f212a03 elementor-widget elementor-widget-text-editor\" data-id=\"f212a03\" 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>In tegelinstallatie,\u00a0<strong><b>\"open tijd\"<\/b><\/strong>\u00a0verwijst naar de periode na <a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/hpmc-for-tile-adhesive\/\">de tegellijm<\/a> wordt op de ondergrond getroffeld, waarbij een effectieve tegelbevestiging nog mogelijk is voordat het oppervlak uitdroogt en de hechting verliest.\u00a0<\/p><p><strong><b>Korte open tijd:<\/b><\/strong>\u00a0Werknemers die tegels over een groot oppervlak leggen, hebben mogelijk niet genoeg tijd om de tegels aan te passen. Tegels die later worden gelegd, kunnen al vocht hebben verloren, waardoor de kleefkracht aanzienlijk afneemt en uiteindelijk het volgende wordt veroorzaakt\u00a0<strong><b>holle tegels en onthechting<\/b><\/strong>.<\/p><p><strong><b>Lange open tijd:<\/b><\/strong>\u00a0Kan de initi\u00eble uithardingstijd vertragen, wat invloed heeft op het bouwschema, hoewel dit niet het grootste probleem is in goed geventileerde omgevingen.<\/p><p>Daarom,\u00a0<strong><b>uitstekende en consistente open tijd<\/b><\/strong>\u00a0is essentieel om de kwaliteit van de tegelinstallatie te garanderen en de effici\u00ebntie van de bouw te verbeteren. Welke factoren bepalen de open tijd en hoe kunnen we deze wetenschappelijk verlengen?<\/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\">Drie belangrijke factoren die de open tijd van tegellijm be\u00efnvloeden<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9058448 elementor-widget elementor-widget-text-editor\" data-id=\"9058448\" 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><strong><b>Omgevingsfactoren:<\/b><\/strong>\u00a0Hoge temperaturen, lage luchtvochtigheid en sterke wind versnellen de verdamping van water, waardoor de open tijd drastisch wordt verkort.<\/p><p><strong><b>Substraatfactoren:<\/b><\/strong>\u00a0Poreuze, droge ondergronden (zoals cellenbetonblokken) absorberen snel water uit de mortel.<\/p><p><strong><b>Formuleringsfactoren (de meest kritieke en beheersbare factor):<\/b><\/strong>\u00a0Het ontwerp van<i>\u00a0<\/i> de tegellijmformule, met name de selectie van de\u00a0<strong><b>waterretentiecomponent<\/b><\/strong>is van fundamenteel belang bij het bepalen van de open tijd.<\/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<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\">\u2162. Hoe verleng je de open tijd effectief door het formuleringsontwerp?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34475fd elementor-widget elementor-widget-text-editor\" data-id=\"34475fd\" 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>De kern van de oplossing is: Onder oncontroleerbare omgevingsomstandigheden de verdamping en het verlies van water uit de mortel vertragen door de formulering te optimaliseren, zodat er meer tijd overblijft voor het bevestigen van de tegels.<\/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-7c811c7 elementor-widget elementor-widget-image\" data-id=\"7c811c7\" 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\/2025\/08\/hydroxypropyl-methyl-cellulose-1024x683.jpg\" class=\"attachment-large size-large wp-image-12876\" alt=\"hydroxypropylmethylcellulose\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/hydroxypropyl-methyl-cellulose-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-1ed0fdd elementor-widget elementor-widget-heading\" data-id=\"1ed0fdd\" 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. Sleutelfactor: Hoogwaardige hydroxypropylmethylcellulose<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28e0709 elementor-widget elementor-widget-text-editor\" data-id=\"28e0709\" 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><a href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\">Hydroxypropylmethylcellulose-ether (HPMC)<\/a> is de \"waterretentiemeester\" in tegellijm en is het meest kritieke onderdeel voor het verlengen van de open tijd.<\/p><p><strong><b>Mechanisme:<\/b><\/strong>\u00a0HPMC lost op in water en vormt een transparante collo\u00efdale film die vocht effectief insluit. Deze film vertraagt het waterverlies naar de lucht en het substraat aanzienlijk, waardoor de mortel langer verwerkbaar blijft.<\/p><p><strong><b>Hoe HPMC selecteren om de open tijd te optimaliseren?<\/b><\/strong><\/p><p><strong><b><a href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\">Viscositeitsselectie<\/a>:<\/b><\/strong>\u00a0Een hogere viscositeit is niet altijd beter. Een te hoge viscositeit (bijv. boven 200.000 mPa-s) is weliswaar goed voor het vasthouden van water, maar kan de bevochtigbaarheid en het aanbrenggevoel van de mortel be\u00efnvloeden. Voor tegellijmen,\u00a0<strong><b>gemiddelde viscositeit (40.000 - 100.000 mPa-s)<\/b><\/strong>\u00a0HPMC wordt meestal gekozen voor de beste balans tussen waterretentie en verwerkbaarheid.<\/p><p><strong><b>Graad van Etherificatie en Uniformiteit:<\/b><\/strong>\u00a0Selecteer HPMC-producten met\u00a0<strong><b>hoge mate van ethervorming en uniforme deeltjesgrootte<\/b><\/strong>. Dergelijke producten lossen sneller op, bieden een stabielere waterretentie en bieden een soepelere, meer voorspelbare open tijdcurve. <strong><b>Dosering:<\/b><\/strong>\u00a0Binnen redelijke kostengrenzen is het op de juiste manier verhogen van de HPMC-dosering een directe en effectieve methode.<\/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-2761590 elementor-widget elementor-widget-heading\" data-id=\"2761590\" 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. Hulpstrategie\u00ebn: Synergetische effecten met andere additieven<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f5b624 elementor-widget elementor-widget-text-editor\" data-id=\"5f5b624\" 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><strong><b>toevoegen <a href=\"https:\/\/tenessy.com\/products\/redispersible-polymer-powder\/\">Herdispergeerbaar polymeerpoeder (RDP)<\/a>:<\/b><\/strong>\u00a0RDP kan een polymeerfilm vormen in de mortel. Deze film verbetert niet alleen de uiteindelijke hechtsterkte, maar helpt HPMC ook om water vast te houden en in te dikken, wat positief bijdraagt aan het behoud van de open tijd.<\/p><p><strong><b>Gebruik <\/b><a href=\"https:\/\/tenessy.com\/products\/shp-silicone-hydrophobic-powder\/\">Silicone hydrofoob poeder (SHP)<\/a><\/strong><strong><b>:<\/b><\/strong> In tegellijmen die flexibiliteit en anti-verzakkingseigenschappen vereisen, kan toevoeging van een kleine hoeveelheid Silicone Hydrophobic Powder een hydrofobe film vormen op de morteldeeltjes, waardoor de waterabsorptie door poreuze substraten wordt vertraagd en de open tijd indirect wordt verlengd.<\/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-1383533 elementor-widget elementor-widget-heading\" data-id=\"1383533\" 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\">Professioneel advies van TENESSY Chemical<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b25f7d6 elementor-widget elementor-widget-text-editor\" data-id=\"b25f7d6\" 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>Als professionele leverancier van bouwchemicali\u00ebn, <a href=\"https:\/\/tenessy.com\/hpmc-supplier\/\">TENESSIE<\/a>\u00a0adviseert om de kwestie vanuit een systematisch perspectief te benaderen:<\/p><p><strong><b>Nauwkeurige diagnose:<\/b><\/strong>\u00a0Bepaal eerst of de onvoldoende open tijd een formuleringsprobleem is of een probleem met de bouwomgeving ter plaatse.<\/p><p><strong><b>Optimalisatie van de formulering:<\/b><\/strong> De kern is het evalueren en upgraden van de Hydroxypropyl Methyl Cellulose (HPMC) die je momenteel gebruikt.<\/p><p><strong><b>Begeleiding ter plaatse:<\/b><\/strong>\u00a0Zelfs met uitstekende producten is een juiste toepassing essentieel. Werknemers moeten worden ge\u00efnstrueerd om:<\/p><ul><li>Vermijd bouw in direct zonlicht of winderige omstandigheden.<\/li><li>Egaliseer niet een te groot oppervlak in \u00e9\u00e9n keer; het oppervlak moet overeenkomen met de verwachte open tijd.<\/li><li>Maak sterk absorberende ondergronden vooraf nat (geen vrij water).<\/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-dab422d elementor-widget elementor-widget-heading\" data-id=\"dab422d\" 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.Conclusie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-407b49c elementor-widget elementor-widget-text-editor\" data-id=\"407b49c\" 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>Het verlengen van de open tijd van tegellijm is niet simpelweg een kwestie van \"meer van iets toevoegen\", maar eerder een systematische kunst van formuleringsbalans. De kern ligt in het gebruik van\u00a0<strong><b>Hoogwaardige cellulose-ether (HPMC)<\/b><\/strong>\u00a0om een robuust \"waterretentiesysteem\" te bouwen, aangevuld met andere additieven en correcte bouwbegeleiding.<\/p><p><strong><b>TENESSIE<\/b><\/strong>, gebruikmakend van jarenlange <a href=\"https:\/\/tenessy.com\/hpmc-supplier\/innovation\/\">R&amp;D en productie<\/a> ervaring in de <a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\">cellulose-ether<\/a> veld, biedt u een volledig scala aan\u00a0<strong><b>HPMC<\/b><\/strong>\u00a0en\u00a0<strong><b>Herdispergeerbaar polymeerpoeder<\/b><\/strong>\u00a0producten. Ondersteund door een professioneel technisch team kunnen we oplossingen op maat bieden om problemen met korte open tijd in tegellijmen grondig op te lossen en meer concurrerende producten te maken.<\/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>Bij het installeren van tegels verwijst \"open tijd\" naar de periode nadat de tegellijm op de ondergrond is aangebracht, waarin de tegels nog effectief kunnen worden bevestigd voordat het oppervlak uitdroogt en de hechting verliest. <\/p>","protected":false},"author":1,"featured_media":10886,"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":[34],"tags":[],"class_list":["post-13040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Increase the Open Time of Tile Adhesive? 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