| Order | Test Name | Result | Exam Conditions | |
|---|---|---|---|---|
| 1 | State Physical Properties |
Hardness(HS) | 63 | 170℃×10min 2nd Vulcanization 150℃×2Hr |
| Tensile Strength(N/㎠) | 103 | |||
| Elongation Rate(%) | 358 | |||
| 2 | Heat Resistance Test |
Hardness Change Rate(HS) | 4 | 135℃×72hrs |
| Tensile Strength Change Rate(Kg/㎠) | 8.7% | |||
| Elongation Rate Change(%) | 3.1% | |||
| 3 | Compression Permanent Shrinkage Rate(%) | 14.5% | 135℃×72hrs Specimen Preparation Methods 170℃×40min 2nd Vulcanization 150℃×2Hr |
|
| 4 | Antifreeze Test |
Hardness Change Rate(HS) | -1 | 120℃×70hrs Antifreeze : Water 50 : 50 |
| Modulus of Volume Change(%) | 0.3% | |||