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Item | Unit | Indicatirs | Standard | ||||
Density | Kg/m³ | ≤95 | GB/T 6343 | ||||
Flammability | B1 level | Oxygen index LOIS | % | ≥34 | GB/T 2406 | ||
moke density SDR | - | ≤75 | GB/T 8627 | ||||
Products used in the feld of construction shall not be lower than B1 level | GB 8624-2012 | ||||||
Thermal conductivity Average temperature -20°C 0℃ 25°C | W/(M· K) | ≤0.030 ≤0.0302 ≤0.034 | GB/T 10294 | ||||
Water vapor permeability | Coefficient | g/(m·s·pa) | ≤1.96*10 | GB/T 17146 | |||
Factor | - | ≥1.0*10 | |||||
Volumetric water absorption in vacuum | % | ≤0.5 | GB/T 17794-2021 | ||||
Dimensionar change rate | Length | ≤7.0 | GB/T 17794-2021 | ||||
Width | % | ≤7.0 | |||||
Thickness | ≤15.0 | ||||||
Compression resilience ratio Compression ratio 50% Compression time 72h | % | ≥70 | GB/T 5669-2008 | ||||
Temperature | ℃ | -50℃~110℃ | GB/T 17794-2021 | ||||
Total volatile organic compounds (TVOC) | mg/(㎡.h) | ≤0.5 | GB/T 29899 |
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