BURRELL INSULATION MATERIAL
Technical Parameter
Performance items |
Unit |
Performance Index |
Implemented standard |
|
Surface density |
kg/m3 |
42-60 |
GB/T 17794 |
|
Oxygen index |
% |
≥32 |
GB 8624 |
|
Burning performance | B1 | GB 8624 | ||
Combustion produces toxic smoke |
% |
<45 |
GB 8624 |
|
Thermal conductivity |
-20°C (mean temperature) |
w/ (m.k) |
≤0.032
|
GB/T 17794 |
0°C (mean temperature) | ≤0.034 | |||
40°C (mean temperature) | ≤0.037 | |||
Water vapopeyrating performance |
moisture penetrate coefficient |
g/(m.s.Pa)
|
≤1.7x10-11 |
GB/T 17146
|
moisture resistance |
≥10000 |
|||
Water absorption in vacuum |
% |
≤8 |
GB/T 17794 |
|
(105°C±3°C , 7d ) Dimension stability |
% |
(105°C±3°C , 7d )≤10 |
GB/T 17794 |
|
Reoundrate after compressiai compression rate 50%,72h |
% |
(Compression rate 50%,72h )≥80 |
GB/T 17794 |
|
Aging resistance 150h |
— |
No wrinkle, no crack, no pinhole, no distort |
GB/T 16259 |
|
Temperature range |
°C |
-50 -105 |
GB/T 17794 |