Physical Properties |
ASTM D1418 |
EPDM |
ASTM D2000 |
AA, BA, CA, DA |
Durometer Range |
35-100 |
Tensile (Maximum PSI) |
2500 |
Elongation (Maximum %) |
600 |
Specific Gravity |
0.86 |
Compression Set |
Good-Excellent |
Environmental Properties |
Electrical Resistance |
Excellent |
Flame Resistance |
Poor |
Gas Impermeability |
Good |
Impact Resistance |
Good |
Abrasion Resistance |
Good |
Tear Resistance |
Fair-Good |
Continuous Maximum Temp |
250 oF |
Intermittent Maximum Temp |
325 oF |
Stiffening Point Temp |
-40 oF |
Brittle Point Temp |
-90 oF |
Weatherability |
Excellent |
Oxidation Resistance |
Good-Excellent |
Ozone Resistance |
Excellent |
300 F Steam Resistance |
Excellent |
Immersion Properties |
Aliphatics (Isoctane) |
Poor |
Aromatics (Toluene) |
Poor |
Halogenated Solvents |
Poor |
Gasonline (Unleaded) |
Poor |
Gasohol (Ethyl) |
Poor |
Alcohols |
Excellent |
Brake Fluid |
Excellent |
Transmission Fluid |
Poor |
Antifreeze |
Excellent |
Synthetic Hydraulic Fluid |
Poor |
Non-Synthetic Hydraulic Fluid |
Excellent |
Water |
Excellent |
Acids (Cold 20%) |
Excellent |
Bases (Cold 20%) |
Excellent |
Ethylene-Propylene
- EPDM, EPT, EPR