KER® 1783

About
KER® 1783 is a standard grade of oil extended styrene-butadiene rubber. It is produced by a technology of cold emulsion copolymerization based on soaps of rosin and fatty acids and contains 23.5% of chemically bonded styrene. It is coagulated by a system of acid and synthetic coagulant, contains 27 % (37.5 PHR) of extender oil with reduced content of polycyclic aromatics (RAE grade) and is stabilized by a staining antioxidant. APPLICATION KER® 1783 is appropriate for rubber compounds used in the production of car tyres including tyre re-treading, conveyor belts and various technical rubber articles. It is not approved for production of rubber articles coming into contact with food or drinking water.&&

Product Description
GenericSBR-乳液聚合
Material StatusCommercial: Active
FeaturesInoxidizability,Copolymer
AvailabilitysEurope

Technical Data
PHYSICALNominal valueUnitTest method
Mooney viscosity
ML 1+4,100℃45 to 55MUASTM D1646
Combined with styrene22.0 to 25.0%ASTM D5775
oil content25 to 29wt%ASTM D5774
Organic Acid4.0 to 6.0wt%ASTM D5774
Soap< 0.4wt%ASTM D5774
Ash Content< 0.4%ASTM D5667
Volatiles< 0.80wt%ASTM D5668

Notes
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