BURRELL INSULATION MATERIAL
Special glass wool board for air duct of central air conditioning: provide efficient heat preservation for air duct, absorb sound and reduce noise while ensuring heat loss of cold and warm air in the air duct, realize accurate control of central air conditioning, and create comfortable indoor environment and working environment. In addition, it also reduces building energy consumption.
Performance index of centrifugal glass wool board
|
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 |
300-400 |
GB/T 13350 |
|
Coefficient of thermal conductivity(25±1) °C\ (70±1) °C |
w/m.k |
0.034-0.056 |
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 |
-18-+230 |
GB/T 13350 |
