| NO. |
Test Items |
Values |
| 1 |
Before ageing test |
1.1 Elongation at break(%) |
≥300 |
| 1.2 Tensile strength(MPa) |
≥10 |
| 2 |
After Oven ageing test |
2.1 Test condition |
80±2℃/168h |
| 2.2 Tensile strength rate(%) |
±15 |
| 2.3 Elongation at break rate(%) |
±20 |
| 3 |
Oil-resistance test (IRM902 oil ) |
3.1 Test condition |
100±2℃/24h |
| 3.2 Tensile strength rate(%) |
±40 |
| 3.3 Elongation at break rate(%) |
±40 |
| 4 |
Ozone ageing test |
4.1 Test condition |
40℃/72h,concentration 2ppm or 25℃/24h,260ppm |
| 4.2 Test result |
Without crack |
| 5 |
Heat extension test |
5.1 Test condition |
200±3℃/15min,stress20N/cm2 |
| 5.2 Loading elongation rate(%) |
< 100 |
| 5.3 Loaded elongation rate(%) |
< 25 |
| 6 |
Low-temperature impact test |
6.1 Test condition |
-40℃/4h |
| 6.3 Wire surface after low-temperature impact |
Without crack |
| 7 |
Oxygen index and flame resistance( EN50265-2-1 burning test ) |
≥32 |
