| NO. |
Test Items |
Values |
Testing Method |
| 1 |
Routine physical property
Cure condition:
151℃*60min |
Tensile strength MPa |
≥8 |
GB/T528 |
| Tearing elongation rate % |
≥250 |
GB/T528 |
| Mooney viscosity Ml100℃/1+4 |
58±5 |
GB/T1232 |
| Mooney scorch Min/t5120℃ |
≥20 |
GB/T1233 |
| Shao's hardness ShA |
75±5 |
GB/T531 |
| Specific gravity g/cm3 |
1.45±0.05 |
GB/T3402 |
| 2 |
Air oven ageing test 90±2℃/24h |
Tearing elongation rate % |
±25 |
GB/T3512 |
| 3 |
Oil-proof test (IRM902 oil )
100±2℃/72h |
Tensile strength rate % |
±20 |
GB/T1690 |
| Volume alteration rate % |
±25 |
| Volume alteration rate(IRM903) % |
< 100 |
| 4 |
Low-temperature brittleness test |
< -30℃ |
GB/T1682 |
| 5 |
Ozne resistance test 40℃/72h, 50ppm |
Test result |
Without crack |
GB/T7762&
GB/T13642 |
