Calprene® 405

Calprene® 405 by Dynasol is a 67/33 butadiene/styrene thermoplastic copolymer grade. Polymerized in solution and having a radial structure. Insoluble in water while soluble in organic solvents. Exhibits high porosity and easy dispersion. Presented in porous crumb form, which gives good oil absorption. Suitable for bitumen modification, footwear, mechanical rubber goods and sportswear. Calprene® 405 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).