... SBR 1500/1502/1712 were widely used in tyres, cycle tire, rubber overshoes, plastic hosoe tapes, conveyors, rubber tubes, ... -6.75GB/T 8657-2000 ASoap %≤0.50Bound styrene %22.5-24.5GB/T 8658-1998Mooney viscosity 50ML(1+4)10045 ... m)≤0.50GB/T 4498-1997Organic acid %m/m3.90-5.70GB/T 8657-2000Soap %m/m≤0.50Bound styrene% ... I35min12.1-16.111.6-16.650min13.0-17.012.5-17.5145,35min), MPa Tensile strength≥19.4≥18 ...