SBR 1502 Styrene Butadiene Rubber, Synthetic SBR rubber, with brand "Yangzi ... focusing on the production of synthetic rubbers, mainly SBR 1502 and 1712, with total annual output of 100,000 ... for business cooperation. Our specifications for your reference: SBR 1502 Specification Values(GB/T12824-2002)ItemPropertyTest MethodABCVolatile matter %≤0. ... (145,35min),% ≥340≥330 Styrene Butadiene Rubber SBR 1502