Product description: Product name: SBR 1712 Chemical name: Styrene Butadiene Rubber Structure: SPECIFICATION: Item Specification Volatile matter % ≤1.00 Ash % ≤0.50 Organic acid % 3.90-5.70 Soap % ≤0.50 Bound styrene % 24.3-30.3 Mooney viscosity 50ML(1+4)100℃ 42-56 Componud 50ML(1+4)100℃ ≤70 300%Modulus（145℃）Mpa,25min 9.3-14.3 300%Modulus（145℃）Mpa,35min 11.6-16.6 300%Modulus（145℃）Mpa,50min 12.5-17.5 Tensile strength (145℃,35min), MPa ≥18.40 Elongation 145℃,35min),% ≥370