{"id":814,"date":"2022-01-16T18:50:55","date_gmt":"2022-01-16T16:50:55","guid":{"rendered":"https:\/\/aitanachem.com\/release-agents\/polyurethane-mold-release-agents\/"},"modified":"2026-07-25T09:00:40","modified_gmt":"2026-07-25T07:00:40","slug":"polyurethane-mold-release-agents","status":"publish","type":"page","link":"https:\/\/aitanachem.com\/en\/release-agents\/polyurethane-mold-release-agents\/","title":{"rendered":"Polyurethane mold release agents (PU)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"814\" class=\"elementor elementor-814 elementor-212\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7be2a320 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7be2a320\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container 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class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tWhatsApp\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_email\" role=\"button\" tabindex=\"0\" aria-label=\"Share on email\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M502.3 190.8c3.9-3.1 9.7-.2 9.7 4.7V400c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V195.6c0-5 5.7-7.8 9.7-4.7 22.4 17.4 52.1 39.5 154.1 113.6 21.1 15.4 56.7 47.8 92.2 47.6 35.7.3 72-32.8 92.3-47.6 102-74.1 131.6-96.3 154-113.7zM256 320c23.2.4 56.6-29.2 73.4-41.4 132.7-96.3 142.8-104.7 173.4-128.7 5.8-4.5 9.2-11.5 9.2-18.9v-19c0-26.5-21.5-48-48-48H48C21.5 64 0 85.5 0 112v19c0 7.4 3.4 14.3 9.2 18.9 30.6 23.9 40.7 32.4 173.4 128.7 16.8 12.2 50.2 41.8 73.4 41.4z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-853102c elementor-align-left elementor-widget elementor-widget-global elementor-global-1065 elementor-global-643 elementor-widget-breadcrumbs\" data-id=\"853102c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/aitanachem.com\/en\/\">Home<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b2cd77 elementor-widget elementor-widget-text-editor\" data-id=\"9b2cd77\" 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>Polyurethane mold release agents are chemical products <strong>applied to the mold to make it easier to remove the PU part and to protect the mold from the abrasion of the process.<\/strong> At <strong>AITANACHEM<\/strong>, we have developed a complete release system for this industry, based on high-performance <strong>water-based semi-permanent release agents<\/strong>. A single application allows <strong>multiple consecutive releases, with minimal transfer to the part and no build-up in the mold.<\/strong> They are suitable for both metal and polymer molds (epoxy, polyester, aluminium).<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9508cc elementor-widget elementor-widget-image\" data-id=\"d9508cc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"512\" src=\"https:\/\/aitanachem.com\/wp-content\/uploads\/2022\/01\/desmoldeante-poliuretano-768x512.webp\" class=\"attachment-medium_large size-medium_large wp-image-722\" alt=\"PU-release-agents\" srcset=\"https:\/\/aitanachem.com\/wp-content\/uploads\/2022\/01\/desmoldeante-poliuretano-768x512.webp 768w, https:\/\/aitanachem.com\/wp-content\/uploads\/2022\/01\/desmoldeante-poliuretano-300x200.webp 300w, https:\/\/aitanachem.com\/wp-content\/uploads\/2022\/01\/desmoldeante-poliuretano.webp 800w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c313947 elementor-widget elementor-widget-heading\" data-id=\"c313947\" 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\">Why polyurethane needs a specific release agent<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b2529d elementor-widget elementor-widget-text-editor\" data-id=\"9b2529d\" 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>Polyurethane molding has a particular feature that sets it apart from other processes: <strong>the chemical reaction between the polyol and the isocyanate produces a highly reactive, abrasive mix that tends to bond strongly to the mold wall.<\/strong> A generic release agent breaks down quickly under these conditions. This is why a polyurethane release agent has to meet two demands at once \u2014 demands that also pull in opposite directions:<\/p>\n<ul>\n<li><strong>Make the part easy to remove<\/strong>, providing non-stick properties and lubricity to the mold surface.<\/li>\n<li><strong>Protect the mold from abrasion<\/strong>, forming a resistant physical barrier able to withstand the aggressiveness of the reactive mix cycle after cycle.<\/li>\n<\/ul>\n<p>Our release agents are based on high-performance polymers that create precisely that <strong>flexible yet resistant barrier<\/strong> between the mold and the abrasive mix: lubricating enough for the part to release effortlessly, and tough enough not to break down with use.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34cf96b elementor-widget elementor-widget-heading\" data-id=\"34cf96b\" 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\">The diversity of polyurethane: a release agent for each process<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e794bfc elementor-widget elementor-widget-text-editor\" data-id=\"e794bfc\" 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>The polyurethane industry is one of the most varied there is, both in molding processes and in raw materials. Demolding a shoe sole is nothing like demolding an insulation panel or a dashboard. That is why <strong>we adapt the release agent to each type of PU and each production method:<\/strong><\/p>\n<ul>\n<li><strong>Rigid foam<\/strong>: insulation panels, technical insulation and lightweight structural parts.<\/li>\n<li><strong>Flexible foam<\/strong>: seating, mattresses, cushioning and comfort applications.<\/li>\n<li><strong>Integral skin<\/strong>: armrests, steering wheels, grab handles and parts with a compact surface and foamed core.<\/li>\n<li><strong>RIM and RRIM<\/strong>: large technical parts produced by reaction injection molding, common in the automotive sector.<\/li>\n<li><strong>Footwear and soles<\/strong>: where finish and clean demolding are critical to production throughput.<\/li>\n<li><strong>Elastomers and compact PU<\/strong>: solid parts that demand a highly resistant release barrier.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d632f1 elementor-widget elementor-widget-heading\" data-id=\"8d632f1\" 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\">What a polyurethane release agent must deliver<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52fcdb1 elementor-widget elementor-widget-text-editor\" data-id=\"52fcdb1\" 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>If you are evaluating suppliers for your PU process, <strong>these are the four criteria that make the difference:<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e4beb75 elementor-widget elementor-widget-heading\" data-id=\"e4beb75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Abrasion resistance<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36be4fd elementor-widget elementor-widget-text-editor\" data-id=\"36be4fd\" 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>This is the requirement specific to polyurethane and the one most often overlooked. <strong>The physical barrier formed by the release agent must withstand the aggressiveness of the reactive mix without breaking down after each release.<\/strong> A release agent that resists abrasion maintains the number of cycles per application and, above all, protects the mold \u2014 the most expensive investment in your plant.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44ed839 elementor-widget elementor-widget-heading\" data-id=\"44ed839\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Minimal transfer to the part<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfa6626 elementor-widget elementor-widget-text-editor\" data-id=\"cfa6626\" 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><strong>The release agent must not transfer to or contaminate the molded part.<\/strong> This is especially critical for parts that will be painted, varnished or bonded at later stages, or for those with a high likelihood of self-release. <strong>Even minimal transfer forces you to add a washing step that increases costs and slows down the line.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-37b15e5 elementor-widget elementor-widget-heading\" data-id=\"37b15e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Wax-free and no build-up in the mold<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c09a35a elementor-widget elementor-widget-text-editor\" data-id=\"c09a35a\" 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>Traditional wax- and silicone-based release agents build up in the mold and force long, costly cleaning stoppages. Our semi-permanent release agents do not generate that build-up, which drastically <strong>reduces cleaning and maintenance times and keeps the mold productive for longer.<\/strong><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ae4eef elementor-widget elementor-widget-heading\" data-id=\"4ae4eef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">High number of releases per application<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5efcef5 elementor-widget elementor-widget-text-editor\" data-id=\"5efcef5\" 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>The strong anchoring of a semi-permanent release agent to the mold <strong>allows many consecutive releases after a single application<\/strong>, as opposed to traditional continuous-application systems that require reapplication on every cycle. This translates directly into higher productivity and lower product consumption.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ca6f1b elementor-widget elementor-widget-heading\" data-id=\"3ca6f1b\" 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\">Water-based release agents for polyurethane<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f783b9 elementor-widget elementor-widget-text-editor\" data-id=\"5f783b9\" 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>At AITANACHEM, we encourage our customers to use water-based release agents. Developments in this technology over recent years have brought it on a par with solvent-based release agents in terms of performance, and <strong>its advantages make it increasingly sought-after in the PU industry: healthier and safer working environments, non-flammable behaviour, and lower transport and storage costs<\/strong> as it is not classified as dangerous goods (ADR). You can see the full comparison between technologies in our <a href=\"https:\/\/aitanachem.com\/en\/release-agents\/\" target=\"_blank\" rel=\"noopener\"><strong><u>guide to mold release agents<\/u><\/strong><\/a><\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9406136 elementor-widget elementor-widget-heading\" data-id=\"9406136\" 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\">Mold preparation and maintenance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d5b1b9 elementor-widget elementor-widget-text-editor\" data-id=\"8d5b1b9\" 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>The performance of any release agent depends on the condition of the mold. <strong>A mold with accumulated residue reduces the number of releases per application and worsens the finish of the part.<\/strong> Before implementing a semi-permanent system, we recommend that you:<\/p>\n<ul>\n<li>Carry out a thorough cleaning using <a href=\"https:\/\/aitanachem.com\/en\/release-agents\/mold-cleaners\/\" target=\"_blank\" rel=\"noopener\"><strong><u>mold cleaners<\/u><\/strong><\/a>\u00a0suited to the type of residue.<\/li>\n<li>Apply a sealer as part of <a href=\"https:\/\/aitanachem.com\/en\/release-agents\/mold-maintenance\/\" target=\"_blank\" rel=\"noopener\"><strong><u>mold treatment and maintenance<\/u><\/strong><\/a>, which closes the micropores in the surface and multiplies the effectiveness of the release agent.<\/li>\n<\/ul>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2bef076 elementor-widget elementor-widget-heading\" data-id=\"2bef076\" 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 about polyurethane release agents<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd00b6 elementor-widget elementor-widget-accordion\" data-id=\"4dd00b6\" 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<h3 id=\"elementor-tab-title-8151\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-8151\" 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-left\" 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\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/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 does polyurethane need an abrasion-resistant release agent?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-8151\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-8151\"><p>Because <strong>the mix of polyol and isocyanate is highly reactive and aggressive towards the mold surface.<\/strong> If the barrier formed by the release agent does not resist that abrasion, it breaks down within a few cycles: the number of releases per application drops and the mold is left unprotected. A well-formulated polyurethane release agent combines <strong>lubricity to remove the part with the toughness needed to protect the mold cycle after cycle.<\/strong><\/p>\n<\/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<h3 id=\"elementor-tab-title-8152\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-8152\" 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-left\" 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\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/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 polyurethane parts be painted or bonded after demolding?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-8152\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-8152\"><p><strong>Yes, as long as the release agent does not transfer product to the part.<\/strong> Our semi-permanent release agents are formulated to prevent the transfer of silicones or oils, so the surface of the PU part is ready for painting, varnishing or bonding without an intermediate washing step. This is a decisive factor for automotive and decorative parts.<\/p>\n<\/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<h3 id=\"elementor-tab-title-8153\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-8153\" 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-left\" 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\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/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\">How many releases can you get from a single application?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-8153\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-8153\"><p><strong>It depends above all on the geometry of the part, the type of polyurethane and the process temperature<\/strong>, so we do not give a fixed figure: it would be misleading. The real difference lies in the technology: a semi-permanent release agent allows several consecutive releases after a single application, whereas traditional continuous-application systems require reapplication on every cycle. We determine the specific figure for your process during the trial phase at your premises.<\/p>\n<\/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<h3 id=\"elementor-tab-title-8154\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-8154\" 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-left\" 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\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/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 the same release agent work for rigid foam, flexible foam and integral skin?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-8154\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-8154\"><p><strong>Not always. The wide variety of processes and raw materials in polyurethane means that a single product will not perform equally across all applications.<\/strong> That is why we adapt the release agent to each type of PU: flexible foam, rigid foam, integral skin and RIM have different requirements in terms of non-stick behaviour, gloss and release. We analyse your process before recommending a specific system.<\/p>\n<\/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<h3 id=\"elementor-tab-title-8155\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-8155\" 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-left\" 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\"><svg class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><svg class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/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\">How should a water-based release agent be applied correctly?<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\t<div id=\"elementor-tab-content-8155\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-8155\"><p>Application determines a large part of the performance. Water has a high surface tension, so <strong>spraying must be very fine to prevent product from accumulating and forming droplets on the mold<\/strong>; the technique involves several light passes rather than one thick coat. Applying more product does not guarantee better release \u2014 quite the opposite. We explain this step by step, video included, in our guide on <a href=\"https:\/\/aitanachem.com\/en\/water-based-release-agents\/\" target=\"_blank\" rel=\"noopener\"><strong><u>how to apply water-based release agents<\/u><\/strong><\/a><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why does polyurethane need an abrasion-resistant release agent?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Because <strong>the mix of polyol and isocyanate is highly reactive and aggressive towards the mold surface.<\\\/strong> If the barrier formed by the release agent does not resist that abrasion, it breaks down within a few cycles: the number of releases per application drops and the mold is left unprotected. A well-formulated polyurethane release agent combines <strong>lubricity to remove the part with the toughness needed to protect the mold cycle after cycle.<\\\/strong><\\\/p>\\n\"}},{\"@type\":\"Question\",\"name\":\"Can polyurethane parts be painted or bonded after demolding?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><strong>Yes, as long as the release agent does not transfer product to the part.<\\\/strong> Our semi-permanent release agents are formulated to prevent the transfer of silicones or oils, so the surface of the PU part is ready for painting, varnishing or bonding without an intermediate washing step. This is a decisive factor for automotive and decorative parts.<\\\/p>\\n\"}},{\"@type\":\"Question\",\"name\":\"How many releases can you get from a single application?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><strong>It depends above all on the geometry of the part, the type of polyurethane and the process temperature<\\\/strong>, so we do not give a fixed figure: it would be misleading. The real difference lies in the technology: a semi-permanent release agent allows several consecutive releases after a single application, whereas traditional continuous-application systems require reapplication on every cycle. We determine the specific figure for your process during the trial phase at your premises.<\\\/p>\\n\"}},{\"@type\":\"Question\",\"name\":\"Does the same release agent work for rigid foam, flexible foam and integral skin?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p><strong>Not always. The wide variety of processes and raw materials in polyurethane means that a single product will not perform equally across all applications.<\\\/strong> That is why we adapt the release agent to each type of PU: flexible foam, rigid foam, integral skin and RIM have different requirements in terms of non-stick behaviour, gloss and release. We analyse your process before recommending a specific system.<\\\/p>\\n\"}},{\"@type\":\"Question\",\"name\":\"How should a water-based release agent be applied correctly?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>Application determines a large part of the performance. Water has a high surface tension, so <strong>spraying must be very fine to prevent product from accumulating and forming droplets on the mold<\\\/strong>; the technique involves several light passes rather than one thick coat. Applying more product does not guarantee better release \\u2014 quite the opposite. We explain this step by step, video included, in our guide on <a href=\\\"https:\\\/\\\/aitanachem.com\\\/en\\\/water-based-release-agents\\\/\\\" target=\\\"_blank\\\" rel=\\\"noopener\\\"><strong><u>how to apply water-based release agents<\\\/u><\\\/strong><\\\/a><\\\/p>\\n\"}}]}<\/script>\n\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-a4eac59 elementor-widget elementor-widget-heading\" data-id=\"a4eac59\" 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\">We adapt the release agent to your polyurethane process<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65097d7 elementor-widget elementor-widget-text-editor\" data-id=\"65097d7\" 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>The type of polyurethane, the molding method, the geometry of the part and the required finish completely change the requirements of the release system. That is why, rather than selling an off-the-shelf product, <strong>we have a highly qualified technical team that analyses your process and sends you the release agent that best fits your needs so that you can test it at your premises.<\/strong> Always with our technical support throughout the trial phase. Depending on the results, we assess adjusting the formulation to the specific characteristics of your production.<\/p>\n<p><strong>Are you experiencing mold abrasion, transfer to the part or residue build-up?<\/strong><\/p>\n<p><a href=\"https:\/\/aitanachem.com\/en\/contact\/\" target=\"_blank\" rel=\"noopener\"><strong><u>Get in touch with us<\/u><\/strong><\/a> and we will look at your case with no obligation.<\/p>\n<p>\ud83d\udc49 Looking for general information on release technologies, types of release agents and other application sectors? 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class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Twitter Share Pin WhatsApp Email Polyurethane mold release agents are chemical products applied to the mold to make it easier to remove the PU part and to protect the mold from the abrasion of the process. At AITANACHEM, we have developed a complete release system for this industry, based on high-performance water-based semi-permanent release agents. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":799,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"plain-container","ast-site-content-layout":"normal-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-814","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - 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