Calprene® 401

Calprene® 401 by Dynasol is an 80/20 butadiene/styrene thermoplastic copolymer grade. Polymerized in solution and having a radial structure. Contains an anti-sticking agent (0.4%). Insoluble in water while soluble in organic solvents. Exhibits high porosity and easy dispersion. Suitable for bitumen modification, footwear, mechanical rubber goods and plastic modification. Calprene® 401 complies with REACH (Registration, Evaluation, Authorization and Restriction of Chemicals), EINECS (European Inventory of Existing Commercial Substances), TSCA (Toxic Substances Control Act), US Environmental Protection Agency, HSDB (US National Library of Medicine) and RTECS (US Dept. of Health & Human Services).