Glass wool felt in rolls and compound materials are widely used for partition walls . These products not only reduce noise and absorb sound but also are easy to work in execution of words .They are light and thin ,sparing more space to the rooms as useful floorage .
Main indexes of physical properties of centrifugal glass wool :
Item |
Unit |
Index |
GB 10699-98 |
Density |
Kg/m3 |
10-100 |
GB/T 5480.3-1985 |
Average fiber dia. |
Micron |
5.5 |
GB/T 5480.4-1985 |
Water content |
% |
≤1 |
GB/T 3007-1982 |
Grade of combustibility |
Non-combustible Grade A |
GB 8624-1997 | |
Reshrinking temp. |
≥250 |
GB/T 11835-1998 | |
Thermal conductibility |
w/m..k |
0.038-0.06 |
GB/T 10924-1998 |
Hydrophobicity |
% |
≥98.2 |
GB/T 10299-1988 |
Moisture rate |
% |
≤5 |
GB/T 16401-1986 |
Sound absorption coefficient |
1.03 product reverberation method 24kg/m3 2000HZ |
GBJ47-83 | |
Slag inclusion content |
% |
≤0.3 |