Acoustic cloth impregnated in flame retardant and 500-g-quality, for rehearsal room , studios and stages with excellent sound absorption coefficient.
- Product type: acoustic cloth
- Material: 100% cotton
- Colour: black
- Width: 3 m
- Height: 3 m
- Grammage: 500 g / m²
- Weighted sound absorption coefficient (ISO 11654) : w = 0,70 nature / 0.60 black
- SOUND Reduction Coefficient NRC (ASTM C423) : 0,65 nature / 0,60 black
- Fire protection class: Flame retardant according to DIN 4102 B1 and France M1 / EN 13773
