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 |
Nitrile
- Buna N, Butadiene-Acrylonitrile