{"product_id":"covestro-neocryl-b-302-bio-based-acrylic-adhesion-promoter-resin-low-migration-uv-ink-coating-shrinkage-reducing-resin","title":"Covestro NeoCryl B-302 Bio-Based Solid Acrylic Adhesion-Promoting Resin for UV\/EB Inks \u0026 Coatings","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eFull Name \u0026amp; Product Positioning\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eFull product name: NeoCryl B-302 Bio-based Solid Inert Acrylic Adhesion-Promoting Resin\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAn adhesion-promoting resin dedicated to UV\/EB energy-curable systems. Supplied as solid beads that dissolve rapidly in reactive diluents, it reduces curing shrinkage and improves intercoat adhesion — engineered for low-migration compliant formulations in food packaging inks.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eKey Technical Parameters\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100.012%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eBio-based carbon content\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e32 % (ASTM D6866-20 B)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eMolecular weight Mn\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e5000 Daltons\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eGlass transition temperature Tg\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e 80 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eDynamic viscosity (25 °C, 40 % in HDDA) \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e400 – 1000 mPa·s\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eVolatile matter (8 min \/ 115 °C)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e≤ 2 %\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003eSolids content\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003e100 %\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e\u003cspan\u003ePhysical form\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e\u003cspan\u003eWhite free-flowing beads\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 48.1118%;\"\u003e Standard packaging\u003c\/td\u003e\n\u003ctd style=\"width: 51.6151%;\"\u003e25 kg \/ bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"MsoNormal\"\u003e \u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eKey Advantages\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e  - Bio-based (32%), supporting low-migration food packaging and green\/sustainable certifications;\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e  - Rapid dissolution in acrylate reactive diluents for easy formulation, no prolonged high-temperature dispersion;\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e  - Significantly reduces shrinkage in UV-cured systems, minimizing internal stress, warpage and cracking;\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e  - Excellent intercoat adhesion and adhesion to difficult substrates, plus improved fountain latitude in offset inks;\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e  - Combines pigment-grinding performance with flexibility enhancement while maintaining low viscosity and good leveling.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eMain Application Areas\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCore applications: UV\/EB energy-curable coatings, UV offset inks, low-migration packaging inks\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eAlso suitable for: Flexographic inks, screen inks, overprint varnishes, UV nail gels, UV adhesives\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eNot recommended for: Standalone use in conventional non-energy-curable solvent systems without prior compatibility evaluation; food-contact articles require full overall-migration compliance validation\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Jinkai Chemical","offers":[{"title":"Default Title","offer_id":44947378798685,"sku":null,"price":4.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/9317\/4621\/files\/302.jpg?v=1787735035","url":"https:\/\/jinkaichemical.com\/products\/covestro-neocryl-b-302-bio-based-acrylic-adhesion-promoter-resin-low-migration-uv-ink-coating-shrinkage-reducing-resin","provider":"Jinkai Chemical","version":"1.0","type":"link"}