SolpreneВ® 1430 Styrene-Butadiene Rubber SolpreneВ® 1430 is a high molecular weight linear random-block styrene-butadiene copolymer having 40% of styrene content, 30% present as a polystyrene block. A choice of either BHT free or phosphite free non staining antioxidant systems is available, all FDA approved for use in food contact applications. It is a high purity polymer, essentially gel free with a very clear color. Presentation S-1430   Bale Main applications Plastic Modification Documents TDS   MSDS   Characteristics Property Unit Value Styrene % 40 Polystyrene % 31  Mooney Viscosity ML1+4, 100ВєC --- Insoluble Gel % max 0.05 TSV cSt --- Styrene solution viscosity 5% cps 42