Physical Properties |
ASTM D1418 |
SBR |
ASTM D2000 |
AA, BA |
Durometer Range |
40-100 |
Tensile (Maximum PSI) |
3500 |
Elongation (Maximum %) |
600 |
Specific Gravity |
0.94 |
Compression Set |
Good |
Environmental Properties |
Electrical Resistance |
Excellent |
Flame Resistance |
Poor |
Gas Impermeability |
Fair |
Impact Resistance |
Excellent |
Abrasion Resistance |
Excellent |
Tear Resistance |
Fair-Good |
Continuous Maximum Temp |
175 oF |
Intermittent Maximum Temp |
225 oF |
Stiffening Point Temp |
-30 oF |
Brittle Point Temp |
-75 oF |
Weatherability |
Fair |
Oxidation Resistance |
Fair |
Ozone Resistance |
Poor |
300 F Steam Resistance |
Poor |
Immersion Properties |
Aliphatics (Isoctane) |
Poor |
Aromatics (Toluene) |
Poor |
Halogenated Solvents |
Poor |
Gasonline (Unleaded) |
Poor |
Gasohol (Ethyl) |
Poor |
Alcohols |
Excellent |
Brake Fluid |
Good |
Transmission Fluid |
Poor |
Antifreeze |
Excellent |
Synthetic Hydraulic Fluid |
Poor |
Non-Synthetic Hydraulic Fluid |
Poor |
Water |
Excellent |
Acids (Cold 20%) |
Good |
Bases (Cold 20%) |
Good |
Styrene
Butadiene - SBR, Buna S, GRS