Solprene 303 is a linear random-block styrene-butadiene copolymer with 46% styrene content, 11% present as a polystyrene block. S-303 is used in vulcanized microcellular shoe soles, it provides hardness and can be highly filled, it can be blended with other rubbers to reduce die swell and increase processability in extruded and molded goods. It can replace SBR 1009 and 1018 types. It is packaged in bales wrapped in low melting point polyethylene film. Information provided by Dynasol. |