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SBR Polymer (Styrene Butadiene Rubber) describes families of synthetic rubbers derived from Styrene and butadiene. SBR has good abrasion resistance. In 2012 more than 5.4 million tons of SBR were processed worldwide.

SBR Polymer Information and Specs
General Information
  • Common Name: SBR
  • Chemical Name: Styrene-butadiene
  • Generally Resistant To: Abrasion, Water, Moderate, Chemicals, Organic Acids, Alcohols, Ketones and Aldehydes
  • Generally Attacked By: Ozone, Sunlight, Strong Acids, Fats, Oils, Open Flame, Grease and Most Hydrocarbons
  • ASTM D 2000 / SAE J200 Classification: AA, BA
  • MIL-R-3065 / SAE J-14 / MIL-STD-417 Classification: RS
Physical Properties
  • Elongation: 450% to 600%
  • Hardness Range (Durometer Shore A): 40 to 90
Mechanical Properties
  • Compression Set: Good
  • Rebound Rating: Poor to Excellent
  • Flex Cracking Resistance: Good
  • Abrasion Resistance: Excellent
  • Tear Resistance: Fair to Good
  • Impact Resistance: Excellent
  • Flame Resistance: Poor
Thermal Properties
  • Minimum Service Temperature: -70°F
  • Maximum Service Temperature: +220°F
Environmental Resistance
  • Recommended Shelf Life: 3 to 5 years
  • Weather Resistance: Fair to Good
  • Sunlight Resistance: Poor
  • Ozone Resistance: Poor
  • Oxidization Resistance: Fair to Excellent
  • Water Resistance: Very Good
  • Steam Resistance: Fair to Good
  • Gas Permeability: Fair to Good