1 | surface density | Kg/m³ | ≤95 | 46 | |
2 | oxygen index | % | ≥32 | 34.4 | |
3 | Smoke density | / | ≤75 | 28 | |
4 | thermal conductivity | Average temperature::-20ºC | W/(m·K) | ≤0.034 | 0.030 |
Average temperature::0ºC | W/(m·K) | ≤0.036 | 0.033 | ||
Average temperature::40ºC | W/(m·K) | ≤0.041 | 0.038 | ||
5 | Wet resistance factor | Moisture permeability | G/(m·s·Pa) | ≤1.3*10-10 | 8.7*10-11 |
Moisture permeability coefficient | / | ≥1.5*102 | 2.3*103 | ||
6 | Vacuum water absorption | % | ≤10 | 3 | |
7 | Compression springback rate Compression ratio 50% Compression time 72 h | % | ≥70 | 89 | |
8 | ageing resistance ,150h | / | Slight wrinkle, no crack, no pinhole, no deformation | pass through |