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Polyurethane Rubber

Polyurethane Rubber, AU EU, come in polyester and polyether based compounds. These synthetic rubbers are well known for their excellent tensile and tear strength, outstanding abrasion resistance, good coefficient of surface friction and resillence.  They are generally resistant to ozone, hydrocarbons, moderate chemicals, fats, oils, and greases. They are generally attacked by concentrated acids, keystones, chlorinated and nitro hydrocarbons.  Typical applications are seals, bumpers, coupling elements, rollers, wheels, and conveyor belts.

Properties and Characteristics

  • Specific Gravity: 1.05
  • Tensile Strength, psi – Reinforced: 4000
  • Practical Shore A Hardness Range: 40-90
  • Resilience, Room Temperature: Good
  • Resilience, Hot: Good
  • Tear Resistance: Good
  • Abrasion Resistance: Excellent
  • Atmosphere Aging Resistance: Fair
  • Oxidation Resistance: Excellent
  • Heat Resistance: Fair – Good
  • Low Temperature Flexability: Fair
  • Compression Set: Excellent
  • Permeability: Good
  • Flame Resistance: Poor
  • Acid Resistance – Dilute: Fair
  • Acid Resistance – Concentrated: Poor
  • Moisture Resistance: Good
  • Solvent Resistance Hydrocarbons: Good
  • Oxygenated Solvents: Good
  • Oil and Gasoline: Good
  • Animal and Vegetable Oils: Good
  • Dielectric Properties: Good

REDCO's Properties of Rubber Chart

» Click here to download our Properties of Rubber chart.