SIBUR Synthetic Rubber BK-1675N / IIR-1675

Category: IIR , Butyl Rubber
Manufacturer: SIBUR, LLC
Trademark: SIBUR Synthetic Rubber
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: bxmvbT_SIBUR-Synthetic-Rubber-BK-1675N-IIR-1675.pdf
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Butyl rubber is essentially a product of copolymerization of isobutylene and isoprene. Medium Mooney viscosity.
General Information
Features
  • Copolymer
  • Medium Viscosity
Appearance
  • White
Forms
  • Bale 2
PhysicalNominal ValueUnitTest Method
Mooney Viscosity (ML 1+8, 125°C)46 to 56MUASTM D1646
Antioxidant Additive - Non-staining 0.020 to 0.080%Internal Method
Ash Content < 0.40%ASTM D5667
Calcium Stearate - Mass fraction 1.2%Internal Method
Unsaturation - Mole percent 1.4 to 1.8%Internal Method
Volatile Matter < 0.30%ASTM D5668
ElastomersNominal ValueUnitTest Method
Tensile Stress (300% Strain)6.00MPaASTM D412
Tensile Strength (Yield)13.0MPaASTM D412
Tensile Elongation (Break)450%ASTM D412
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