Hydrogenated Bisphenol A Epoxy resin HWR-518 Used For Outdoor Electrical Insulation Material, Product Description Hydrogenated Bisphenol A Epoxy resin 1. Description Chemical name: hydrogenated bisphenol A epoxy resin Molecular structure: CAS Number: 30583-72-3 Physical and Chemical Character: colorless to slight yellow transparent liquid 2. Technical Data Sheet Item Unit Specs. Color APHA ≤ 60 Viscosity mPa.s (25℃ ) 1500-4000 Epoxy Value eq/100g 0.42-0.46 Hydrolyzable