The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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KRALEX® 1500

Technical Datasheet | Supplied by Synthos Group
KRALEX® 1500 by Synthos Group is a styrene-butadiene rubber (SBR) type grade stabilized with a staining antioxidant. It is produced by cold emulsion copolymerization based on soaps of rosin & fatty acids and coagulated by acid and synthetic coagulant. It is free of mechanical impurities. Recommended for rubber compounds used in the production of car tyres, conveyor belts, footwear, cables, hosepipes and various technical rubber articles. Shelf life of KRALEX® 1500 is 12 months.
Product Type
SBR (Styrene Butadiene Rubber)
Product Status
Applications/ Recommended for
  • Households products/ Consumer Goods > Toys
  • Pipes, Hoses & Fittings
  • Wiring & Cables
  • Automotive > Tyres and inner tubes
  • Engineering / manufacturing > Belts, conveyors
  • Footwear

KRALEX® 1500 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Volatile Matters
< 0.7 %wt.
( )
ASTM D5668
Mooney Viscosity
45 - 55 ML
(ML 1+4 (100°C) – massed)
ASTM D1646
Bonded Styrene Content
22.5 - 24.5 %wt.
( )
ASTM D5775
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