Moisture-proof
Fire prevention
Good sound absorption
Easy construction





Frequency(Hz) | 100 | 125 | 200 | 250 | 500 | 800 | 1000 | 1250 | 2000 |
Sound Absorption Coefficient(a) | 0.20 | 0.17 | 0.29 | 0.40 | 0.84 | 0.99 | 0.92 | 0.72 | 0.72 |








