Acrylic rubber is a type of synthetic rubber containing acrylonitrile. The chemical name of this rubber is Alkyl acrylate copolymer. The outstanding property of this rubber is its resistance to hot oil and to oxidation. These Rubber is suitable for continuous use at temperatures up to 150 degree celsius and at intermittent exposure up to about 180 degree celcius. It has however poor resistance to water or moisture. ACM rubber is usually not suitable for use much below -10 degree celsius and also has poor resistance to acids and bases. Acrylic rubber is widely used in automotive transmissions and hoses.

Properties of Acrylic Rubber

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Physical & Mechanical Properties

Durometer or Hardness Range 40 - 90 Shore A
Tensile Strength Range 500 - 2,500 PSI
Elongation (Range %) 100 % - 450 %
Abrasion Resistance Fair to Good
Adhesion to Metal Fair to Good
Adhesion to Rigid Materials Fair to Good
Compression Set Poor to Good
Flex Cracking Resistance Fair to Good
Impact Resistance Poor
Resilience/Rebound Fair to Good
Tear Resistance Poor to Good
Vibration Dampening Good to Excellent

Environmental Performance

Colorability Good
Flame Resistance Poor
Gas Permeability Good to Excellent
Odor Fair to Good
Ozone Resistance Good to Excellent
Oxidation Resistance Excellent
Radiation Resistance Poor to Good
Steam Resistance Poor
Sunlight Resistance Good to Excellent
Taste Retention Fair to Good
Weather Resistance Excellent
Water Resistance Excellent