KRALEX® 1783

Category: SBR, Emulsion , Emulsion Styrene Butadiene Rubber
Manufacturer: Synthos S.A.
Trademark: KRALEX®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: IsR6RX_KRALEX-1783.pdf
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Message
KRALEX® 1783 is a standard grade of 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.

KRALEX® 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 foods or drinking water.
General Information
Additive
  • Antioxidant
Features
  • Antioxidant
  • Copolymer
Uses
  • Automotive Applications
  • Conveyor Parts
Forms
  • Bale
PhysicalNominal ValueUnitTest Method
Mooney Viscosity (ML 1+4, 100°C)44 to 54MUASTM D1646
Bound Styrene 22.5 to 24.5%ASTM D5775
Ash Content < 0.4wt%ASTM D5667
Oil Content 25 to 29wt%ASTM D5774
Organic Acid 3.6 to 5.4wt%ASTM D5774
Soap < 0.3wt%ASTM D5774
Volatile Matter < 0.75wt%ASTM D5668
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