KER® 1789

Category: SBR, Emulsion , Emulsion Styrene Butadiene Rubber
Manufacturer: Synthos S.A.
Trademark: KER®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: VgGOK8_KER-1789.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
KER® 1789 is a 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 40.0% 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® 1789 is appropriate for rubber compounds used for production of tyres including tyre re-treading, and various technical rubber articles.
It is not approved for production of rubber articles coming into contact with food or drinking water.
General Information
Additive
  • Antioxidant
Features
  • Antioxidant
  • Copolymer
Forms
  • Bale
PhysicalNominal ValueUnitTest Method
Mooney Viscosity (ML 1+4, 100°C)50 to 60MUASTM D1646
Bound Styrene 38.5 to 41.5%ASTM D5775
Ash Content < 0.4wt%ASTM D5667
Oil Content 25 to 29wt%ASTM D5774
Organic Acid 4.0 to 6.0wt%ASTM D5774
Soap < 0.4wt%ASTM D5774
Volatile Matter < 0.80wt%ASTM D5668
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