| 1.Used to control indoor reverberation
time in acoustical design.
2. Especially applicable to the open air of moisture and drench.
3. Improve articulation in waiting room, store and exhibition hall.
4. Can be also used in mufflers.
Technical parameters of sound absorption foam glass
| Sound absorption
coefficient |
Frequency(Hz) |
125 |
500 |
1000 |
2000 |
4000 |
|
Sound absorption
coefficient |
0.21 |
0.33 |
0.45 |
0.48 |
0.60 |
| Bulk weight |
170-220kg/m3 |
Air
porosity
|
90%
|
| Compression
strength |
0.7Mpa |
Coefficient
of heat conductivity
|
0.09W/m.k
|
| Folding strength
|
0.5Mpa |
Application
temperature
|
400
|

|