Dynasol Elastomers Solprene® Thermoplastic Rubber Styrene-Butadiene-Styrene Block Copolymer (SBS) S-4318

Solprene® 4318 is a linear block copolymer of styrene and butadiene having 32% of styrene content, most of it forming a polystyrene block which gives the polymer a thermoplastic behavior. Benefits Easy handling and dissolution Non staining antioxidant system FDA approved Gel free Clear color High purity Physical Form: Available in pellets and powder Characteristics Property Unit Value Elongation % >1000 Toluene solution viscosity @ 5.23% / 25øC cSt 7 Volatile matter % max 0.75 Total styrene % 32 Block styrene % min 31 Melt flow index g/10' 8 Hardness øShore A 69 Tensile strength MPa 3.7 300% modulus MPa 1.2