| Tensile Stength | Die C ASTM D412 | 3000 psi (min) | 2500 psi (min) | 2500 psi (min) | 2500 psi (min) |
| Elongation at Rupture | ASTM D412 | 450% (min) | 450% (min) | 400% (min) | 400% (min) |
| 300% Modulus | ASTM D412 | 900 psi (min) | 900 psi (min) | - | 900 psi (min) |
| Durometer Hardness, Shore Type A | ASTM D2240 | 60 - 70 | 45 ± 5 | 50 - 60 | 60 - 70 |
| Water Absorption | 70 Hrs. @ 212°F ASTM D471 | 10% change in volume (max) | 10% by weight (max) | 10% by volume (max) | 10% by weight (max) |
| Compression Set | ASTM D395 Method B 22 Hrs/ @ 158°F | 30% (max) | 30% (max) | 25% (max) | 30% (max) |
| Tensile Strength After Oxygen Bomb Aging | ASTM F572 | 80% (min) of tensile strength | 80% (min) of tensile strength | - | 80% (min) of tensile strength |
| Low Temperature Brittleness | ASTM D2137 Method A, 9.3.2 | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -40°C | Non-Brittle after 3' @ -25°C |
