Physical Properties
ASTM D1418 NBR
ASTM D2000 BC, BE, BF, BG, BK, CH
Durometer Range 30-100
Tensile (Maximum PSI) 4000
Elongation (Maximum %) 650
Specific Gravity 0.98
Compression Set Good
Environmental Properties
Electrical Resistance Poor-Fair
Flame Resistance Poor-Fair
Gas Impermeability Good-Excellent
Impact Resistance Poor
Abrasion Resistance Excellent
Tear Resistance Good
Continuous Maximum Temp 200 oF
Intermittent Maximum Temp 300 oF
Stiffening Point Temp 0 oF
Brittle Point Temp -50 oF
Weatherability Good
Oxidation Resistance Fair-Good
Ozone Resistance Poor-Good
300 F Steam Resistance Poor
Immersion Properties
Aliphatics (Isoctane) Good-Excellent
Aromatics (Toluene) Poor
Halogenated Solvents Poor
Gasonline (Unleaded) Good-Excellent
Gasohol (Ethyl) Good-Excellent
Alcohols Good
Brake Fluid Fair-Good
Transmission Fluid Excellent
Antifreeze Good
Synthetic Hydraulic Fluid Good
Non-Synthetic Hydraulic Fluid Poor
Water Good-Excellent
Acids (Cold 20%) Fair
Bases (Cold 20%) Good
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Nitrile - Buna N, Butadiene-Acrylonitrile