{"id":11608,"date":"2026-10-12T08:15:37","date_gmt":"2026-10-12T08:15:37","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=11608"},"modified":"2026-10-12T08:16:34","modified_gmt":"2026-10-12T08:16:34","slug":"chlumicryl-wpu-2540","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/id\/product\/chlumicryl-wpu-2540\/","title":{"rendered":"CHLUMICRYL\u00ae WPU-2540 Aromatic Waterborne Polyurethane Resin"},"content":{"rendered":"<h2>Product Overview<\/h2>\n<p>WPU-2540 is a milky white polyurethane dispersion with a bluish cast, intended for synthetic leather systems containing fillers or a foamed layer. Its reported features emphasize powder dispersion, soft hand and foamability. The grade has a pH of 6.0-8.0, tensile strength at break of at least 5 MPa and elongation at break of at least 500%. These properties support evaluation in flexible constructions, while the final result depends on filler loading and the foaming process. Test new additives and colorants before use, and do not mix this grade directly with cationic or solvent-based pastes.<\/p>\n<h3>Grade Characteristics<\/h3>\n<ul>\n<li>Powder-dispersion capability<\/li>\n<li>Soft coating hand<\/li>\n<li>Suitable for foamed formulations<\/li>\n<\/ul>\n<h3>Technical Data<\/h3>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th scope=\"col\">Properti<\/th>\n<th scope=\"col\">Nilai<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Brand and grade<\/td>\n<td>CHLUMICRYL\u00ae WPU-2540<\/td>\n<\/tr>\n<tr>\n<td>Penampilan<\/td>\n<td>Milky white dispersion with a bluish cast<\/td>\n<\/tr>\n<tr>\n<td>Polymer type<\/td>\n<td>Aromatic waterborne polyurethane dispersion<\/td>\n<\/tr>\n<tr>\n<td>Kandungan padatan<\/td>\n<td>40 \u00b1 2%<\/td>\n<\/tr>\n<tr>\n<td>pH<\/td>\n<td>6.0-8.0<\/td>\n<\/tr>\n<tr>\n<td>Tensile strength at break<\/td>\n<td>\u22655 MPa<\/td>\n<\/tr>\n<tr>\n<td>Elongation at break<\/td>\n<td>\u2265500%<\/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>Aplikasi<\/h3>\n<ul>\n<li>Filled synthetic leather formulations<\/li>\n<li>Foamed synthetic leather layers<\/li>\n<li>Soft-hand waterborne polyurethane coating development<\/li>\n<\/ul>\n<h3>Formulation and Handling<\/h3>\n<p>Test compatibility before adding new formulation additives or colorants. Do not mix with cationic pastes or solvent-based pastes. Reseal the container after use.<\/p>\n<ul>\n<li>Ionic character is not specified for this grade; do not infer it solely from the compatibility restrictions.<\/li>\n<li>Foaming performance and hand should be evaluated with the chosen filler and additive package.<\/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>Pengemasan dan Penyimpanan<\/h3>\n<p>50 kg or 120 kg plastic drums.<\/p>\n<p>Store sealed at 5-35 \u00b0C and protect from light. Keep the container tightly closed after use. Confirm the applicable shelf life when ordering.<\/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\/id\/product-category\/waterborne-resins\/waterborne-polyurethane-resins\/\">Explore Waterborne Polyurethane &amp; PU-Modified Resins<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>CHLUMICRYL\u00ae WPU-2540 is an aromatic waterborne polyurethane dispersion for filled and foamed synthetic leather formulations. It is characterized by powder-dispersion capability, a soft hand and foamability. Supplied at 40 \u00b1 2% solids, it is a candidate for formulations where processing behavior and coating feel are important selection criteria.<\/p>","protected":false},"featured_media":11609,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[214,215],"product_tag":[],"class_list":{"0":"post-11608","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-waterborne-resins","7":"product_cat-waterborne-polyurethane-resins","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-2540 Aromatic Waterborne Polyurethane Resin | Longchang Chemical<\/title>\n<meta name=\"description\" content=\"CHLUMICRYL\u00ae WPU-2540 is an aromatic waterborne polyurethane dispersion for filled and foamed synthetic leather formulations. 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