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Rubber Sheet Properties

Exposure to heat, sunlight, chemicals, ozone and oils, as well as pressure, tension, binding, stretching and folding will affect the performance of any rubber sheet product. The general properties of common polymers used in sheet rubber shown in the chart below are not intended to be used to make final choices for a specific application. Suitability must be determine by a qualified person. We encourage you to contact us for assistance in your selection. Gasket material compatibility charts for chemicals vary for each polymer.

  CI EPDM Hypalon Pure Gum Neoprene Nitrile SBR Silicone Viton

Abrasion Resistance

Good Very Good Fair Excellent Excellent Excellent Good Poor Fair

Acid Resistance

Fair Good Good Good Good Good Fair Poor Good

Alkali Resistance

Fair Good Good Good Good Good Fair Poor Good

Compression Set

Good Fair Good Good Fair Fair Good Fair Good

Flame Resistance

Very Poor Very Poor Good Very Poor Excellent Poor Very Poor Fair Good

Gas Permeability

Good Good Poor Good Good Good Good Poor Poor

Gas Resistance

Poor Very Poor Poor Very Poor Good Excellent Poor Poor Poor

Heat Aging

Good Excellent Good Good Good Good Good Excellent Excellent

Oil Resistance

Poor Very Poor Fair Very Poor Good Very Good Poor Fair Good

Ozone Resistance

Fair Good Excellent Poor Very Good Very Poor Fair Good Excellent


Good Good Fair Outstanding Excellent Good Good Fair Fair
Weathering Fair Excellent Excellent Fair Very Good Fair Fair Good Excellent


Sheet Rubber Tolerances

Tolerances conform to RMA standards, Durometer +/- 5 points

Thickness Tolerance
1/32" but not including 1/1/6" +/- .012"
1/16" but not including 1/8" +/- .016"
1/8" but not including 3/16" +/- .020"
3/16" but not including 3/8" +/- .031"
3/8" but not including 9/16" +/- .047"
9/16" but not including 3/4" +/- .062"
3/4" but not including 1" +/- .094"
1" and Over +/- .010"
Widths 36" and over +/- 1.00"