Item | Index |
H(Laceration Resistant) | D(Anti-abrasive) | L(Ordinary) |
Tensile strength/Mpa≥ | 24 | 18 | 15 |
Breaking elongation/%≥ | 450 | 400 | 350 |
Ageing experiment | Change rate of tensile strength/% | ±25 | ±25 | ±25 |
(70ºC,7d) | Change rate of breaking elongation/% | ±25 | ±25 | ±25 |
Abrasion/mm3≤ | 120 | 100 | 200 |
Cold resistant coefficient at elongate≥ | C1(-45ºC) | 0.3 |
C2(-60ºC) | 0.2 |
Note: |
C1-temperature condition is -45ºC~+50ºC |
C2-temperature condition is -60ºC~+50ºC |