BURRELL INSULATION MATERIAL
Through the unique formula adjustment, the centrifugal glass wool elongated and uniform fiber not only has superior thermal insulation performance, but also has the characteristics of high temperature resistance, so that it is widely used in thermal power plants, power stations, smoke exhaust pipes and other high temperature environment of thermal insulation.
Performance index of high temperature resistant glass wool products
Items |
Unit |
Indicators |
Standard |
Density |
kg/m3 |
10-80 |
GB/T 13350 |
Average fiber diameter |
um |
5~8 |
GB/T 13350 |
The moisture content |
% |
<1 |
GB/T 13350 |
Combustion performance |
|
Non-combustible level A |
GB/T 13350 |
Heat load shrinkage temperature |
°C |
450-550 |
GB/T 13350 |
Coefficient of thermal conductivity(25±1) °C\ ( 70±1) °C |
w/m.k |
0.034-0.066 |
GB/T 13350 |
Moisture absorption rate |
% |
<5 |
GB/T 13350 |
Hydrophobic rate |
% |
>98 |
GB/T 13350 |
Absorption coefficient |
|
Measurement of sound absorption in acoustic reverberation chamber |
GB/T 20247 |
Content of slag ball |
% |
<0.3 |
GB/T 13350 |
Working temperature |
°C |
-4-+450 |
GB/T 13350 |