Polymers / Polystyrene ( PS ) / Styrene Butadiene Rubber ( SBR 1712 )


Property Value
Volatile matter wt % 0.75 max ASTM D 1416
Ash wt % 1.5 max ASTM D 1416
Organic acid wt % 3.9-5.7 ASTM D 1416
Soap wt % 0.5 max ASTM D 1416
Oil content wt % 25.5-28.5 ASTM D 1416
Bound styrene wt % 22.5-24.5 ASTM D 1416
Raw viscosity (ML 1+4 @ 100 oC) 42-52 ASTM D 1646
Compound viscosity (ML 1+4 @ 100 C) 62 max ASTM D 1646
Tensile strength kg/cm2 200 min ASTM D 412
Ultimate elongation % 530 min ASTM D 412
300 % Modulus kg/cm2 79-109 ASTM D 412

Description

SBR–1712 is staining type cold SBR ,extended with 27.5 part of highly aromatic oil. Provided that the compounds are formulated and processed correctly ,the vulcanized    SBR–1712  has very good abrasion ,good electrical properties and good resistance to polar solvents and dilute acids.