SBR 1502 Styrene Butadiene Rubber, Synthetic SBR rubber, with brand "Yangzi"; large petrochemical co. ... in tyres, cycle tire, rubber overshoes, plastic hosoe tapes, conveyors, rubber tubes, black sole, rubber lines, rice polishing rollers, ... -6.75GB/T 8657-2000 ASoap %≤0.50Bound styrene %22.5-24.5GB/T 8658-1998Mooney viscosity ... .5≥24.5Elongation (145,35min),% ≥340≥330 Styrene Butadiene Rubber SBR 1502