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Styrene Butadiene Rubber

Styrene Butadiene Rubber, SBR, became a high volume synthetic rubber substitute for natural rubber during World War II because of its suitability for use in tires. This rubber is also very similar to natural rubber in its chemical resistance. It is known for its wear and abrasion resistance. Besides the tire industry it is also used to produce shoe heels and soles and used in many roller applications.

Properties and Characteristics

  • Specific Gravity: .94
  • Tensile Strength, psi – Pure Gum: 1000
  • Tensile Strength, psi – Reinforced: 3000
  • Practical Shore A Hardness Range: 40–95
  • Resilience, Room Temperature: Good
  • Resilience, Hot: Good
  • Tear Resistance: Fair – Good
  • Abrasion Resistance: Good – Excellent
  • Atmosphere Aging Resistance: Poor
  • Oxidation Resistance: Good
  • Heat Resistance: Fair – Good
  • Low Temperature Flexability: Good
  • Compression Set: Fair – Good
  • Permeability: Fair
  • Flame Resistance: Poor
  • Acid Resistance – Dilute: Fair
  • Acid Resistance – Concentrated: Fair – Good
  • Moisture Resistance: Good – Excellent
  • Solvent Resistance Hydrocarbons: Poor
  • Oxygenated Solvents: Good
  • Oil and Gasoline: Poor
  • Animal and Vegetable Oils: Poor – Good
  • Dielectric Properties: Good

REDCO's Properties of Rubber Chart

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