| Order | Test Name | Result | Exam Conditions | |
|---|---|---|---|---|
| 1 | State Physical Properties |
Hardness(HS) | 60 | 170℃×10min 2nd Vulcanization 150℃×2Hr |
| Tensile Strength(N/㎠) | 101 | |||
| Elongation Rate(%) | 390 | |||
| 2 | Heat Resistance Test |
Hardness Change Rate(HS) | 1 | 150℃×70hrs |
| Tensile Strength Change Rate(Kg/㎠) | 20% | |||
| Elongation Rate Change(%) | 13.3% | |||
| 3 | Compression Permanent Shrinkage Rate(%) | 7% | 70℃×22hrs Specimen Preparation Methods 170℃×40min 2nd Vulcanization 150℃×2Hr |
|
| 4 | Antifreeze Test |
Hardness Change Rate(HS) | -2 | 120℃×70hrs Antifreeze : Water 50 : 50 |
| Modulus of Volume Change(%) | 4.7% | |||