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Item | Unit | Specification | Standard | ||
Density | Kg/m3 | 95 | GB/T 6343 | ||
Flammability | Oxygen index | % | ≥32 | GB/T 2406 | |
SDR |
| 75 | GB/T 8627 | ||
|
|
| GB 8624-2006 | ||
Conductivity factor |
W/(m.k) |
.031 | GB/T 10294 | ||
Water vapor permeability | coefficient | g/(m.s.pa) | 2.8×10-11 | GB/T 17146-1997 | |
Factor |
| ≥7.0×103 | |||
Water absorption ratio in vacuum | % | 10 | GB/T 177942008 | ||
Dimension stability | % | ≤10 | GB/T 8811 | ||
Crack resistance | N/cm | ≥2.5 | GB/T 10808 | ||
Compression resilience ratio | % | ≥70 |
GB/T 6669-2001 | ||
Anti-ozone |
| Not cracking | GB/T 7762 | ||
Aging resistance 150h |
| Slightly crumpling, no cracks,no pin holes, not deforming | GB/T 16259 | ||
Temperature |
| -40110 | GB/T17794 | ||
Rubber Insulating Pipe
