{"product_id":"bostik-r-boscodur-r-4l-polyisocyanate-curative","title":"Bostik® Boscodur® 4L Polyisocyanate Curative","description":"\u003ch2\u003eBostik® Boscodur® 4L Polyisocyanate Curative\u003c\/h2\u003e\n\u003cp\u003eBostik® Boscodur® 4L is a polyisocyanate curative designed to enhance the performance of polyurethane and solvent-based adhesive systems. When used as a crosslinking agent, it improves bond strength, heat resistance, and chemical durability in demanding industrial applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolyisocyanate curative for crosslinking polyurethane and solvent-based adhesives\u003c\/li\u003e\n\u003cli\u003eImproves tensile strength, heat resistance, and chemical durability\u003c\/li\u003e\n\u003cli\u003eEnhances long-term adhesion and performance under demanding conditions\u003c\/li\u003e\n\u003cli\u003eIdeal for laminating, bonding, and industrial manufacturing processes\u003c\/li\u003e\n\u003cli\u003eDesigned for controlled mixing ratios to ensure consistent results\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of Bostik® adhesive technologies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineered as a performance-enhancing additive, Bostik® Boscodur® 4L Polyisocyanate Curative reacts with hydroxyl-functional adhesives to create a stronger, more resilient polymer network. This crosslinking action increases resistance to heat, humidity, solvents, and mechanical stress, making it well-suited for high-performance manufacturing environments. Commonly used in laminating, footwear assembly, engineered fabric bonding, and industrial product fabrication, Boscodur® 4L provides reliable and predictable curing characteristics when blended at appropriate ratios. Its low viscosity allows easy integration into adhesive systems, supporting efficient processing and consistent end-use performance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bostik®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e Boscodur®\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemistry:\u003c\/strong\u003e Polyisocyanate Curative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Crosslinking Agent for Adhesive Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Increases strength, heat resistance, and chemical durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViscosity:\u003c\/strong\u003e Low-viscosity liquid for easy mixing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Laminating, industrial bonding, polyurethane adhesive systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Available in multiple container sizes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bostik","offers":[{"title":"Pint","offer_id":44501059567752,"sku":"BOSC4L-79","price":93.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/9391\/8600\/files\/BostikPint_NoImage_PHQ.jpg?v=1763836543","url":"https:\/\/www.pilotshq.com\/products\/bostik-r-boscodur-r-4l-polyisocyanate-curative","provider":"Pilots HQ LLC.","version":"1.0","type":"link"}