SolpreneВ® 411 Thermoplastic rubber SBS dry SolpreneВ® 411 is a high molecular weight radial styrene-butadiene block copolymer having 30% of styrene content, most of it forming a polystyrene block which gives the polymer a thermoplastic behavior. It develops properties of vulcanised rubber yet not requiring vulcanisation. It is protected with a non staining antioxidant system, FDA approved, suitable for food contact applications and is essentially gel free with a very clear color.  Presentation S-411   Porous crumb S-411M   Powder form dusted with amorphous silica Main Applications Asphalt Modification (Paving and Roofing) and Compounding. Documents TDS   MSDS   Characteristics Property Unit Value Structure --- Radial Styrene % 30  Bookfield Viscosity cps 20 000 TSV cSt 28 Volatile matter % 0.75