{"id":10782,"date":"2026-06-11T06:20:11","date_gmt":"2026-06-11T06:20:11","guid":{"rendered":"https:\/\/michemicals.com\/?p=10782"},"modified":"2026-06-11T07:31:13","modified_gmt":"2026-06-11T07:31:13","slug":"hpmc-dla-masy-samopoziomujacej","status":"publish","type":"post","link":"https:\/\/michemicals.com\/pl\/hpmc-dla-masy-samopoziomujacej\/","title":{"rendered":"HPMC w zwi\u0105zkach samopoziomuj\u0105cych: Jak eter celulozy kontroluje przep\u0142yw, wytrzyma\u0142o\u015b\u0107 i jako\u015b\u0107 powierzchni"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"10782\" class=\"elementor elementor-10782\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3cfb9235 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3cfb9235\" data-element_type=\"section\" data-e-type=\"section\" 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itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/michemicals.com\/pl\/author\/protizerr-com\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-user-circle\" viewBox=\"0 0 496 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M248 104c-53 0-96 43-96 96s43 96 96 96 96-43 96-96-43-96-96-96zm0 144c-26.5 0-48-21.5-48-48s21.5-48 48-48 48 21.5 48 48-21.5 48-48 48zm0-240C111 8 0 119 0 256s111 248 248 248 248-111 248-248S385 8 248 8zm0 448c-49.7 0-95.1-18.3-130.1-48.4 14.9-23 40.4-38.6 69.6-39.5 20.8 6.4 40.6 9.6 60.5 9.6s39.7-3.1 60.5-9.6c29.2 1 54.7 16.5 69.6 39.5-35 30.1-80.4 48.4-130.1 48.4zm162.7-84.1c-24.4-31.4-62.1-51.9-105.1-51.9-10.2 0-26 9.6-57.6 9.6-31.5 0-47.4-9.6-57.6-9.6-42.9 0-80.6 20.5-105.1 51.9C61.9 339.2 48 299.2 48 256c0-110.3 89.7-200 200-200s200 89.7 200 200c0 43.2-13.9 83.2-37.3 115.9z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tmichem\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-40bd9602 e-flex e-con-boxed e-con e-parent\" data-id=\"40bd9602\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2fff37c5 e-con-full e-flex e-con e-child\" data-id=\"2fff37c5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-19b83be6 e-con-full e-flex e-con e-child\" data-id=\"19b83be6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6c1e032e elementor-widget elementor-widget-heading\" data-id=\"6c1e032e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introduction<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a423175 elementor-widget elementor-widget-text-editor\" data-id=\"1a423175\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Self-leveling compounds (SLC) are among the most demanding formulations in the dry-mix mortar industry. They must flow like water, level themselves without assistance, resist segregation, and cure to a hard, smooth surface \u2014 all within a tight working window of 20\u201340 minutes.<\/p><p><strong>Getting this balance right depends critically on the cellulose ether you choose.<\/strong>\u00a0HPMC (hydroxypropyl methylcellulose) is the standard additive for viscosity control and anti-segregation in SLC formulations.<\/p><p>This guide explains the precise role of HPMC in self-leveling mortars, how to select the right viscosity grade, and what formulation parameters affect final floor quality.<\/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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-44759679 e-flex e-con-boxed e-con e-parent\" data-id=\"44759679\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3995c21b e-con-full e-flex e-con e-child\" data-id=\"3995c21b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-33ea552a e-con-full e-flex e-con e-child\" data-id=\"33ea552a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-52492b8c e-con-full e-flex e-con e-child\" data-id=\"52492b8c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1c2d7e9e elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"1c2d7e9e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__1c2d7e9e\" aria-expanded=\"true\" aria-label=\"Deschide\u021bi tabelul de con\u021binut\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__1c2d7e9e\" aria-expanded=\"true\" aria-label=\"\u00cenchide tabelul de con\u021binut\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__1c2d7e9e\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f06f7f0 elementor-widget elementor-widget-text-editor\" data-id=\"f06f7f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>What Is a Self-Leveling Compound?<\/h2><p>A self-leveling compound (also called self-leveling screed, floor underlayment, or floor leveler) is a cementitious or gypsum-based dry mortar mixed with water to a highly fluid consistency. It is poured onto sub-floors to:<\/p><ul><li><strong>Flatten uneven concrete substrates<\/strong>\u00a0(\u00b110\u201325 mm tolerance correction)<\/li><li><strong>Create a smooth base layer<\/strong>\u00a0for tiles, vinyl, hardwood, or carpet<\/li><li><strong>Provide an underfloor heating substrate<\/strong><\/li><li><strong>Rapidly achieve a walkable surface<\/strong>\u00a0(2\u20134 hours)<\/li><\/ul><p>Key performance targets:<\/p><table><thead><tr><th>Property<\/th><th>Target Value<\/th><th>Why It Matters<\/th><\/tr><\/thead><tbody><tr><td>Flow (cone spread, EN 1015-3)<\/td><td>240\u2013280 mm<\/td><td>Self-leveling without tools<\/td><\/tr><tr><td>Compressive strength (28d)<\/td><td>\u2265 20 MPa (C20)<\/td><td>Structural load bearing<\/td><\/tr><tr><td>Flexural strength (28d)<\/td><td>\u2265 4 MPa<\/td><td>Crack resistance under point loads<\/td><\/tr><tr><td>Surface hardness<\/td><td>\u2265 Shore 75D<\/td><td>Resistance to abrasion<\/td><\/tr><tr><td>Workable time<\/td><td>20\u201340 min<\/td><td>Adequate installation window<\/td><\/tr><tr><td>Walkable time<\/td><td>2\u20134 hours<\/td><td>Fast-track construction<\/td><\/tr><\/tbody><\/table><hr \/><h2>The Challenge: Why SLC Is Hard to Formulate<\/h2><p>Self-leveling compounds face a fundamental contradiction:<\/p><ul><li><strong>High fluidity<\/strong>\u00a0requires low viscosity \u2192 but low viscosity causes\u00a0<strong>segregation<\/strong>\u00a0(water bleeds to surface, aggregate sinks)<\/li><li><strong>Good surface finish<\/strong>\u00a0requires slow, controlled flow \u2192 but slow flow defeats the purpose of self-leveling<\/li><li><strong>High early strength<\/strong>\u00a0needs low w\/c ratio \u2192 but low w\/c reduces flowability<\/li><\/ul><p>This is where\u00a0<strong>HPMC acts as the precision viscosity regulator<\/strong>\u00a0\u2014 adding just enough body to prevent segregation without sacrificing flow.<\/p><hr \/><h2>How HPMC Functions in Self-Leveling Compounds<\/h2><h3>1. Anti-Segregation (Primary Role)<\/h3><p>HPMC thickens the mix water phase to create a\u00a0<strong>suspended colloidal system<\/strong>\u00a0where cement particles and aggregates remain uniformly distributed during the flow phase. Without HPMC, SLC mixes separate into a watery top layer and a dense bottom layer within minutes.<\/p><h3>2. Water Retention<\/h3><p>HPMC reduces water migration from the body of the mix to the surface, preventing:<\/p><ul><li>Surface cracking from rapid drying<\/li><li>Differential strength zones (soft top \/ hard bottom)<\/li><li>Poor adhesion at the surface layer<\/li><\/ul><h3>3. Flow Profile Control<\/h3><p>The pseudoplastic (shear-thinning) behavior of HPMC solutions means:<\/p><ul><li><strong>Under shear<\/strong>\u00a0(mixing, pumping): viscosity is low \u2192 pumpable, pourable<\/li><li><strong>At rest<\/strong>\u00a0(after placement): viscosity rises \u2192 resists segregation, controls bleed<\/li><\/ul><h3>4. Extended Open Time<\/h3><p>HPMC slows cement hydration slightly by coating cement particles, extending the working time from 15 minutes (unmodified) to 25\u201340 minutes (with HPMC).<\/p><hr \/><h2>Selecting the Right HPMC Grade for SLC<\/h2><p><strong>Critical difference:<\/strong>\u00a0SLC requires\u00a0<strong>lower viscosity HPMC<\/strong>\u00a0grades than tile adhesive or renders. Too much viscosity kills flowability; too little causes bleeding.<\/p><h3>HPMC Viscosity Grade Comparison<\/h3><table><thead><tr><th>HPMC Grade<\/th><th>Viscosity (2% solution, 20\u00b0C)<\/th><th>SLC Application<\/th><th>Notes<\/th><\/tr><\/thead><tbody><tr><td>Low viscosity<\/td><td>400\u20134,000 mPa\u00b7s<\/td><td>Thin-bed SLC (3\u201310 mm)<\/td><td>Best flow, minimal anti-sag<\/td><\/tr><tr><td>Medium-low<\/td><td>4,000\u201315,000 mPa\u00b7s<\/td><td>Standard SLC (10\u201330 mm)<\/td><td><strong>Most common choice<\/strong><\/td><\/tr><tr><td>Medium<\/td><td>15,000\u201330,000 mPa\u00b7s<\/td><td>Heavy-duty SLC (&gt;30 mm)<\/td><td>Use with care \u2014 may reduce flow<\/td><\/tr><tr><td>High<\/td><td>50,000\u2013200,000 mPa\u00b7s<\/td><td>NOT recommended for SLC<\/td><td>Kills flowability<\/td><\/tr><\/tbody><\/table><blockquote><p><strong>Tenabrix recommendation:<\/strong>\u00a0For standard SLC formulations, use HPMC with viscosity\u00a0<strong>6,000\u201312,000 mPa\u00b7s<\/strong>\u00a0(2% Brookfield, 20\u00b0C, spindle 3, 20 rpm). This balances anti-segregation with adequate flowability.<\/p><\/blockquote><h3>Degree of Substitution (DS) and Molar Substitution (MS)<\/h3><table><thead><tr><th>Parameter<\/th><th>Value Range<\/th><th>Effect on SLC<\/th><\/tr><\/thead><tbody><tr><td>Methoxyl content (DS)<\/td><td>1.6\u20132.0 (28\u201330%)<\/td><td>Higher DS \u2192 better solubility<\/td><\/tr><tr><td>Hydroxypropoxyl content (MS)<\/td><td>0.15\u20130.35 (4\u201312%)<\/td><td>Higher MS \u2192 better water retention<\/td><\/tr><tr><td>Gel temperature<\/td><td>60\u201375\u00b0C<\/td><td>High gel temp \u2192 stable in hot water mixing<\/td><\/tr><tr><td>Moisture content<\/td><td>\u2264 5%<\/td><td>Impacts consistency in powder blend<\/td><\/tr><\/tbody><\/table><hr \/><h2>Self-Leveling Compound Formulation with HPMC<\/h2><h3>Standard Portland Cement-Based SLC (10\u201330 mm application)<\/h3><table><thead><tr><th>Component<\/th><th>Parts by Weight<\/th><th>Function<\/th><\/tr><\/thead><tbody><tr><td>Portland cement (CEM I 52.5R)<\/td><td>25\u201335<\/td><td>Primary binder, early strength<\/td><\/tr><tr><td>Calcium aluminate cement (CAC)<\/td><td>5\u201310<\/td><td>Rapid strength development<\/td><\/tr><tr><td>Calcium sulfate (anhydrite\/gypsum)<\/td><td>10\u201320<\/td><td>Expansion compensation, strength<\/td><\/tr><tr><td>Quartz sand (0.05\u20130.3 mm)<\/td><td>30\u201345<\/td><td>Aggregate body<\/td><\/tr><tr><td>Calcium carbonate (filler)<\/td><td>5\u201310<\/td><td>Filler, workability<\/td><\/tr><tr><td>HPMC MH75K(6,000\u201312,000 mPa\u00b7s)<\/td><td><strong>0.05\u20130.15<\/strong><\/td><td>Anti-segregation, water retention<\/td><\/tr><tr><td><a href=\"https:\/\/michemicals.com\/premium-rdp-vae-powder-supplier-for-dry-mix-mortar\/\">RDP (VAE polymer powder)<\/a><\/td><td>1\u20133<\/td><td>Adhesion, flexibility<\/td><\/tr><tr><td><a href=\"https:\/\/michemicals.com\/superplasticizer\/polycarboxylate-superplasticizer-powder\/\">Polycarboxylate superplasticizer<\/a><\/td><td>0.3\u20130.8<\/td><td>Flowability<\/td><\/tr><tr><td>Defoamer<\/td><td>0.05\u20130.1<\/td><td>Surface quality<\/td><\/tr><tr><td>Lithium carbonate<\/td><td>0.1\u20130.2<\/td><td>Ettringite control (CAC inhibitor)<\/td><\/tr><\/tbody><\/table><p><strong>Water\/powder ratio:<\/strong>\u00a00.20\u20130.26 (adjust for flow target of 240\u2013260 mm cone spread)<\/p><p><strong>Note on the RDP + HPMC synergy:<\/strong>\u00a0In SLC, RDP provides adhesion to the substrate and reduces curling; HPMC provides the anti-segregation function. They work independently but complementarily.<\/p><h3>Gypsum-Based Self-Leveling Screed<\/h3><table><thead><tr><th>Component<\/th><th>Parts by Weight<\/th><th>Notes<\/th><\/tr><\/thead><tbody><tr><td>Alpha hemihydrate gypsum<\/td><td>60\u201375<\/td><td>Fast-hardening binder<\/td><\/tr><tr><td>Portland cement<\/td><td>5\u201310<\/td><td>Improves water resistance<\/td><\/tr><tr><td>Quartz sand (fine, 0.05\u20130.2 mm)<\/td><td>15\u201325<\/td><td>Aggregate<\/td><\/tr><tr><td>HPMC (4,000\u20138,000 mPa\u00b7s)<\/td><td><strong>0.05\u20130.10<\/strong><\/td><td>Lower dosage than cement SLC<\/td><\/tr><tr><td>Retarder (citric acid)<\/td><td>0.05\u20130.15<\/td><td>Extends working time<\/td><\/tr><tr><td>Superplasticizer (PCE)<\/td><td>0.2\u20130.5<\/td><td>Flowability<\/td><\/tr><\/tbody><\/table><hr \/><h2>HPMC Dosage and Flow Relationship<\/h2><p>The relationship between HPMC dosage and cone spread is inverse and non-linear:<\/p><table><thead><tr><th>HPMC Dosage (% of powder)<\/th><th>Cone Spread (EN 1015-3)<\/th><th>Segregation Risk<\/th><th>Bleed Water<\/th><\/tr><\/thead><tbody><tr><td>0% (no HPMC)<\/td><td>290\u2013310 mm<\/td><td>HIGH<\/td><td>Visible bleeding<\/td><\/tr><tr><td>0.04%<\/td><td>275\u2013295 mm<\/td><td>Medium<\/td><td>Minor bleeding<\/td><\/tr><tr><td>0.08%<\/td><td>255\u2013275 mm<\/td><td><strong>Low<\/strong><\/td><td>None<\/td><\/tr><tr><td>0.12%<\/td><td>235\u2013255 mm<\/td><td>None<\/td><td>None<\/td><\/tr><tr><td>0.20%<\/td><td>200\u2013230 mm<\/td><td>None<\/td><td>None (may lose SL behavior)<\/td><\/tr><\/tbody><\/table><blockquote><p><strong>Practical guideline:<\/strong>\u00a0Start at 0.08% and adjust in steps of 0.02%. Every region&#8217;s aggregate grading and cement fineness will shift the optimum point.<\/p><\/blockquote><hr \/><h2>Regional Considerations<\/h2><h3>India (Hot Climate, Fast Construction)<\/h3><ul><li><strong>Challenge:<\/strong>\u00a0High temperatures (30\u201340\u00b0C) reduce working time sharply<\/li><li><strong>Solution:<\/strong>\u00a0Increase HPMC to 0.12\u20130.15% + add set retarder (tartaric acid 0.05\u20130.1%)<\/li><li><strong>Standard:<\/strong>\u00a0IS 5491 for floor screed applications<\/li><\/ul><h3>Saudi Arabia \/ UAE<\/h3><ul><li><strong>Challenge:<\/strong>\u00a0Mixing water temperature can exceed 30\u00b0C; cement reacts rapidly<\/li><li><strong>Solution:<\/strong>\u00a0Pre-cool mixing water if possible; increase HPMC 10\u201315% vs. temperate climate formula; add PCE superplasticizer for compensated fluidity<\/li><li><strong>Standard:<\/strong>\u00a0SASO GSO\/EN alignment for floor materials<\/li><\/ul><h3>Brazil<\/h3><ul><li><strong>Challenge:<\/strong>\u00a0High ambient humidity, risk of surface efflorescence<\/li><li><strong>Solution:<\/strong>\u00a0Use HPMC with higher DS methoxyl (better film-forming at humidity); reduce calcium carbonate filler<\/li><li><strong>Standard:<\/strong>\u00a0ABNT NBR standards for floor systems<\/li><\/ul><hr \/><h2>Common SLC Problems and HPMC Solutions<\/h2><table><thead><tr><th>Problem<\/th><th>Root Cause<\/th><th>HPMC-Based Fix<\/th><\/tr><\/thead><tbody><tr><td>Bleed water on surface<\/td><td>HPMC too low<\/td><td>Increase HPMC by 0.02\u20130.04%<\/td><\/tr><tr><td>Surface crazing\/micro-cracks<\/td><td>Rapid surface drying<\/td><td>Higher HPMC + misting curing<\/td><\/tr><tr><td>Low flow, poor self-leveling<\/td><td>HPMC too high<\/td><td>Reduce HPMC; increase PCE superplasticizer<\/td><\/tr><tr><td>Uneven surface \/ &#8220;orange peel&#8221;<\/td><td>Segregation during flow<\/td><td>Re-optimize HPMC + defoamer combination<\/td><\/tr><tr><td>Low adhesion to substrate<\/td><td>No RDP<\/td><td>Add 1\u20132% RDP + ensure substrate primed<\/td><\/tr><tr><td>Curling at edges<\/td><td>Differential drying<\/td><td>Add RDP 2\u20133%, cure with polyethylene film<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e757ce4 elementor-widget elementor-widget-heading\" data-id=\"e757ce4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Frequently Asked Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a8ba7fe elementor-widget elementor-widget-accordion\" data-id=\"a8ba7fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1761\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1761\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can I use HEMC instead of HPMC in self-leveling compounds?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1761\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1761\"><p>Yes. HEMC (hydroxyethyl methylcellulose) has similar anti-segregation properties and slightly better enzyme resistance. At the same viscosity grade, performance is comparable. HPMC is more widely available and typically lower cost.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1762\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1762\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What happens if I add too much HPMC to a SLC? <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1762\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1762\"><p>The mix becomes too viscous and loses its self-leveling ability \u2014 it will not spread without tool application, defeating the purpose. Always test cone spread (EN 1015-3) before finalizing formulation.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1763\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1763\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does HPMC affect the compressive strength of SLC? <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1763\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1763\"><p>At typical dosages (0.05\u20130.15%), HPMC has a minimal negative effect on compressive strength (\u22645% reduction). Higher dosages (&gt;0.2%) can reduce compressive strength by 10\u201315% by increasing air content.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1764\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1764\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Why is a defoamer necessary alongside HPMC in SLC? <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1764\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1764\"><p>\u00a0HPMC is slightly foam-generating in fluid systems. Excessive air entrapment causes surface pinholes and reduces compressive strength. Use a silicone-based or mineral oil defoamer at 0.05\u20130.10% to eliminate foam.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1765\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1765\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-right\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"icon icon-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"icon icon-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Can HPMC SLC be used under underfloor heating systems? <\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1765\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1765\"><p>Yes, provided the SLC has sufficient compressive strength (\u2265 20 MPa) and low shrinkage. For heated slabs, use CAC+gypsum based SLC with HPMC at 0.08\u20130.12% for best thermal expansion compatibility.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ddfc18 elementor-widget elementor-widget-text-editor\" data-id=\"4ddfc18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2>Conclusion<\/h2><p>HPMC is the precision tool in self-leveling compound formulation. The right grade \u2014 typically\u00a0<strong>6,000\u201312,000 mPa\u00b7s, at 0.08\u20130.15% dosage<\/strong>\u00a0\u2014 provides anti-segregation, controlled bleed, and extended working time without sacrificing the flowability that defines SLC performance.<\/p><p><strong>Michem HPMC cellulose ether is available in multiple viscosity grades specifically calibrated for SLC, floor screed, and gypsum-based systems.<\/strong>\u00a0We provide batch test reports, technical datasheets, and free formulation assistance.<\/p><p>\ud83d\udce9\u00a0<strong>Request a sample or datasheet:<\/strong>\u00a0<a href=\"https:\/\/michemicals.com\/contact\" target=\"_blank\" rel=\"noopener noreferrer\">michemicals.com\/contact<\/a><br \/>\ud83d\udccb\u00a0<strong>Product page:<\/strong>\u00a0<a href=\"https:\/\/michemicals.com\/cellulose-ether\/hydroxypropyl-methylcellulose\/\" target=\"_blank\" rel=\"noopener 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0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Product Listing<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b60e580 elementor-align-right elementor-widget elementor-widget-button\" data-id=\"5b60e580\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/products\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">View More &gt;&gt;&gt;<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\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-2b70bee6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"2b70bee6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-415d224b elementor-align-left elementor-widget elementor-widget-button\" data-id=\"415d224b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/cellulose-ether\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Cellulose Ether<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-518dd597 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"518dd597\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/various-performance-additives\/rigid-redispersible-polymer-powder-excellent-adhesion\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Redispersible Polymer Powder<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b14062e elementor-align-left elementor-widget elementor-widget-button\" data-id=\"7b14062e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/cellulose-ether\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Synthetic Fiber<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-beb27b4 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"beb27b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/superplasticizer\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Superplasticizer<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2a52f1 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"a2a52f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/various-performance-additives\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Other Products<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52a8b2b1 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"52a8b2b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-arrow-alt-circle-right\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8c137 0 248 111 248 248S393 504 256 504 8 393 8 256 119 8 256 8zM140 300h116v70.9c0 10.7 13 16.1 20.5 8.5l114.3-114.9c4.7-4.7 4.7-12.2 0-16.9l-114.3-115c-7.6-7.6-20.5-2.2-20.5 8.5V212H140c-6.6 0-12 5.4-12 12v64c0 6.6 5.4 12 12 12z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Product Applications<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ec58af elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8ec58af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b8378a elementor-align-left elementor-widget elementor-widget-button\" data-id=\"4b8378a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/applications\/dry-mix-mortar\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Construction Materials<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6fe790c2 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"6fe790c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/applications\/paints-and-coatings\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Paints &amp; Coatings <\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a94042 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"1a94042\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/michemicals.com\/applications\/daily-chemicals-personal-care\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\"> Daily Chemicals &amp; Personal 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M428.8 137.6h-86.177a115.52 115.52 0 0 0 2.176-22.4c0-47.914-35.072-83.2-92-83.2-45.314 0-57.002 48.537-75.707 78.784-7.735 12.413-16.994 23.317-25.851 33.253l-.131.146-.129.148C135.662 161.807 127.764 168 120.8 168h-2.679c-5.747-4.952-13.536-8-22.12-8H32c-17.673 0-32 12.894-32 28.8v230.4C0 435.106 14.327 448 32 448h64c8.584 0 16.373-3.048 22.12-8h2.679c28.688 0 67.137 40 127.2 40h21.299c62.542 0 98.8-38.658 99.94-91.145 12.482-17.813 18.491-40.785 15.985-62.791A93.148 93.148 0 0 0 393.152 304H428.8c45.435 0 83.2-37.584 83.2-83.2 0-45.099-38.101-83.2-83.2-83.2zm0 118.4h-91.026c12.837 14.669 14.415 42.825-4.95 61.05 11.227 19.646 1.687 45.624-12.925 53.625 6.524 39.128-10.076 61.325-50.6 61.325H248c-45.491 0-77.21-35.913-120-39.676V215.571c25.239-2.964 42.966-21.222 59.075-39.596 11.275-12.65 21.725-25.3 30.799-39.875C232.355 112.712 244.006 80 252.8 80c23.375 0 44 8.8 44 35.2 0 35.2-26.4 53.075-26.4 70.4h158.4c18.425 0 35.2 16.5 35.2 35.2 0 18.975-16.225 35.2-35.2 35.2zM88 384c0 13.255-10.745 24-24 24s-24-10.745-24-24 10.745-24 24-24 24 10.745 24 24z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Contact Us<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-602d4389 elementor-widget elementor-widget-text-editor\" data-id=\"602d4389\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Please contact me for the latest quote or to request a sample test (our samples are free and include shipping).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-622ea551 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"622ea551\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" aria-label=\"New Form\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"10782\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"622ea551\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"HPMC in Self-Leveling Compounds: How Cellulose Ether Controls Flow, Strength, and Surface Quality - Michem Chemical\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"10782\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Name\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-Phone elementor-col-100 elementor-field-required\">\n\t\t\t\t\t<span class=\"ccfef-editor-intl-input\" data-id=\"form-field-Phone\" data-field-id=\"c8411e0\" data-default-country=\"us\" data-include-countries=\"\" data-exclude-countries=\"\" data-dial-code-visibility=\"show\" data-strict-mode=\"no\" style=\"display: none;\"><\/span>\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[Phone]\" id=\"form-field-Phone\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" required=\"required\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Sunt acceptate numai numerele \u0219i caracterele telefonice (#, -, *, etc.).\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Email\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-Company elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[Company]\" id=\"form-field-Company\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Company\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-double-right\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34zm192-34l-136-136c-9.4-9.4-24.6-9.4-33.9 0l-22.6 22.6c-9.4 9.4-9.4 24.6 0 33.9l96.4 96.4-96.4 96.4c-9.4 9.4-9.4 24.6 0 33.9l22.6 22.6c9.4 9.4 24.6 9.4 33.9 0l136-136c9.4-9.2 9.4-24.4 0-33.8z\"><\/path><\/svg>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Send Inquiry Now<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introduction Self-leveling compounds (SLC) are among the most demanding formulations in the dry-mix mortar industry. They must flow like water, level themselves without assistance, resist segregation, and cure to a hard, smooth surface \u2014 all within a tight working window of 20\u201340 minutes. Getting this balance right depends critically on the cellulose ether you choose.\u00a0HPMC [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10803,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_angie_page":false,"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","page_builder":"","footnotes":""},"categories":[1],"tags":[161,159,156,158,157,160],"class_list":["post-10782","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-cellulose-ether-flooring","tag-floor-screed","tag-hpmc","tag-hydroxypropyl-methylcellulose","tag-self-leveling-compound","tag-slc-additive"],"_links":{"self":[{"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/posts\/10782","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/comments?post=10782"}],"version-history":[{"count":13,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/posts\/10782\/revisions"}],"predecessor-version":[{"id":10802,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/posts\/10782\/revisions\/10802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/media\/10803"}],"wp:attachment":[{"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/media?parent=10782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/categories?post=10782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michemicals.com\/pl\/wp-json\/wp\/v2\/tags?post=10782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}