{"id":11622,"date":"2026-10-12T08:15:49","date_gmt":"2026-10-12T08:15:49","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=11622"},"modified":"2026-10-12T08:16:34","modified_gmt":"2026-10-12T08:16:34","slug":"chlumicryl-wpu-502","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/nl\/product\/chlumicryl-wpu-502\/","title":{"rendered":"CHLUMICRYL\u00ae WPU-502 Heat-Activated Waterborne Polyurethane Adhesive"},"content":{"rendered":"<h2>Product Overview<\/h2>\n<p>CHLUMICRYL\u00ae WPU-502 provides a waterborne polyurethane binder for adhesive systems that are dried and subsequently heat activated. Its indicated activation range of 50-55 \u00b0C supports evaluation on substrates that can tolerate this process, while rapid crystallization is intended to assist bond development. The dispersion is positioned for textile and fabric treatment, fiberglass sizing, automotive interior bonding, footwear and furniture applications. Stated film tensile strength is 35-50 MPa. Actual bond strength depends on surface preparation, coat weight, drying, activation and pressing conditions, so the complete bonding process should be qualified on the intended materials.<\/p>\n<h3>Grade Characteristics<\/h3>\n<ul>\n<li>Heat-activated bonding<\/li>\n<li>Rapid crystallization<\/li>\n<li>Brushability<\/li>\n<li>Bond strength and heat resistance<\/li>\n<\/ul>\n<h3>Technical Data<\/h3>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th scope=\"col\">Eigendom<\/th>\n<th scope=\"col\">Waarde<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Brand and grade<\/td>\n<td>CHLUMICRYL\u00ae WPU-502<\/td>\n<\/tr>\n<tr>\n<td>Uiterlijk<\/td>\n<td>Semi-milky to milky white liquid<\/td>\n<\/tr>\n<tr>\n<td>Vastestofgehalte<\/td>\n<td>40%<\/td>\n<\/tr>\n<tr>\n<td>Activation temperature<\/td>\n<td>50-55 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Viscosity at 30 \u00b0C<\/td>\n<td>\u2264 1500 mPa\u00b7s<\/td>\n<\/tr>\n<tr>\n<td>Film tensile strength<\/td>\n<td>35-50 MPa<\/td>\n<\/tr>\n<tr>\n<td>Ionic type<\/td>\n<td>Anionic<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These values are technical selection data, not a batch-specific certificate of analysis. Test methods, current specifications and any acceptance limits should be confirmed before ordering.<\/p>\n<h3>Toepassingen<\/h3>\n<ul>\n<li>Textile and fabric treatment<\/li>\n<li>Fiberglass sizing<\/li>\n<li>Automotive interior bonding<\/li>\n<li>Footwear adhesives<\/li>\n<li>Furniture bonding systems<\/li>\n<\/ul>\n<h3>Formulation and Handling<\/h3>\n<p>Establish drying, heat activation and pressing conditions for each substrate combination.<\/p>\n<p>Where increased water resistance is required, a compatible curing agent may be screened at approximately 1-5%; confirm the agent, dosage basis and pot life.<\/p>\n<p>Keep the stored dispersion separate from curing agents.<\/p>\n<ul>\n<li>Activation temperature is a process starting point, not a guaranteed bond or service-temperature rating.<\/li>\n<li>Film tensile strength is not a peel-strength or lap-shear bond specification.<\/li>\n<\/ul>\n<p>Check binder compatibility, substrate preparation, application conditions and final coating or bond performance in your own formulation. Waterborne use does not by itself establish solvent-free status or a hazard classification. Consult the current safety data sheet and use appropriate industrial handling controls.<\/p>\n<h3>Verpakking en opslag<\/h3>\n<p>50 kg or 120 kg plastic drums.<\/p>\n<p>Store at 5-30 \u00b0C in a cool, dry, well-ventilated place. Protect from freezing and light. Avoid direct contact with curing agents. Stated shelf life: 12 months.<\/p>\n<h3>Request Technical Information or a Sample<\/h3>\n<p>Contact Longchang Chemical with the intended substrate, formulation system, process conditions and required performance. Ask for the current TDS, SDS, sample availability and quotation using the inquiry form below or email <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a>.<\/p>\n<p><a href=\"https:\/\/longchangchemical.com\/nl\/product-category\/waterborne-resins\/waterborne-polyurethane-adhesives\/\">Explore Waterborne Polyurethane Adhesives<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>CHLUMICRYL\u00ae WPU-502 is an anionic aliphatic polyurethane dispersion for heat-activated adhesive formulations. Its indicated activation range is 50-55 \u00b0C, with 40% solids and rapid crystallization. The grade is suitable for evaluating textile, fiberglass, footwear, automotive interior and furniture applications requiring brushability, bonding strength and heat resistance.<\/p>","protected":false},"featured_media":11623,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[214,216],"product_tag":[],"class_list":{"0":"post-11622","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-waterborne-resins","7":"product_cat-waterborne-polyurethane-adhesives","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CHLUMICRYL\u00ae WPU-502 Heat-Activated Waterborne Polyurethane Adhesive | Longchang Chemical<\/title>\n<meta name=\"description\" content=\"CHLUMICRYL\u00ae WPU-502 is an anionic aliphatic polyurethane dispersion for heat-activated adhesive formulations. 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