No | Item | Index | ||
1 | Tensile force at 10% elongation / (N/100mm) ≥ | 350 | ||
2 | Maximum tension (N/100mm) ≥ | 600 | ||
3 | Elongation at break/% ≥ | 25 | ||
4 | Tear resistance/N ≥ | 100 | ||
5 | Compression performance | Maximum strength at 20% compression / kPa ≥ | 150 | |
Limit compression phenomenon | No rupture | |||
6 | Low temperature flexibility | -10°No crack | ||
7 | Thermal aging (80°C,168h) | Tensile retention at 10% elongation/% ≥ | 80 | |
Maximum tension retention/% ≥ | 90 | |||
Elongation at break retention/% ≥ | 70 | |||
Maximum strength retention at 20% compression /% ≥ | 90 | |||
Limit compression phenomenon | No rupture | |||
Low temperature flexibility | -10°No crack | |||
8 | Longitudinal water flow (lateral pressure 150kPa)/(Cm³/s) ≥ | 10 |