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In SBR there are 2 types

1)SBR 1502

2)SBR 1712

SBR1502                   

Apparance                   -  Light amber bales

Process                        -  Emulsion polymerized, cold

Emulsifier                      -  Rosin Acid, Styrene 23.5%

Mooney Viscosity         -  50 ± 5ML 1+4 @100ºC

Stabilizer                      -  Non-staining

Uses:-General purpose, light colored technical rubber goods, blends requiring good flow properties, injection moulding compounds

SBR1712

Appearance                  -  Dark colored bales

Process                        -  Cold emulsion polymerized

Oil extension                 -  37.5 parts highly aromatic

Mooney Viscosity         -  50 ±5

Bound styrene              -  23.5% 

Emulsifier                      -  Fatty acids, rosin acid soap

Stabilizer                      -  Staining

Uses – High molecular weight polymer, accept higher filler loading, passenger tyre treads, belting, cycle tyres, technical rubber goods with significant cost savings
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