Requirement |
Cover |
Tube |
Test Conditions |
| Original Properties | 55 to 75 | 55 to 75 | At Room Temperature |
| Tensile Min (Mpa) | 6.9 | 6.9 | At Room Temperature |
| Elongation Min (%) | 200 | 150 | At Room Temperature |
Heat Ageing Change |
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| Hardness (Deg.) | - | +15 | 70 hours at 100 0 C |
| Tensile (%) Max | 20 | -20 | 70 hours at 100 0 C |
| Elongation (%) Max | 50 | -50 | 70 hours at 100 0 C |
Oil Immersion Change |
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| Volume (%) Max | +100 | +150 | ASTM no. 3 Oil 70 hours at 100 0 C |
| Tensile (%) Max | -50 | - | ASTM no. 3 Oil 70 hours at 100 0 C |
Coolant Immersion Change |
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| Volume (%) Max | - | +5 to + 20 | Reflux 70 hours |
| Hardness (Deg). Max | - | -10 to +10 | Reflux 70 hours |
| Tensile (%) Max | - | -10 | Reflux 70 hours |
| Elongation (%) Max | - | +25 | Reflux 70 hours |