Item | Specification | Standard | Measured results | ||
Density | 40≤D95 Kg/M3 | GB/T 6343 | 45 | ||
Flammability | Oxygen index | >32 | GB/T 5454 | 35 | |
(SOD) | ≤75 | GB/T 8627 | 68 | ||
Flammability rating | B1(B or C) | GB/T 8624 | |||
Conductivity factor Average temperature -20℃ 0℃ 40℃ | ≤0.034 ≤0.036 W/(m.k) ≤0.041 | GB/T 10294 | 0.031 | ||
Water Vapor Permaeability | Water Vapor Permaeability | ≤0.98×10-11 g/(m-s-pa) | GB/T 17146 | 1.6×10-11 12000 | |
Mositure resistance tactor | ≥20000 | ||||
Water absorption ratio in vacuun | ≤10% | GB/T 17794 | 2% | ||
Dimension stability 105±3℃,7d | ≤10% | GB/T 8811 | 6.7% | ||
Crack resistance | ≥2.5 N/cm | GB/T 10808 | 2.76 | ||
Compression resilience ratio Compression ratio50% Compression time 72h | ≥70% | GB/T 6669-2001 | 94% | ||
Anti-ozone Ozone pressure 202mpa 200h | No Cracking | GB/T 7762 | Up to standard | ||
Aging resistance 150h | Slightiy crumpling,no cracks, no pin holes,not deforming | GB/T 16259 | Up to standard | ||
Temperature | -40℃ -110℃ | GB/T 17794 |