Pyramid Acoustic Foam Sponge is make from polyurthane materials,is a high sound absorption material for Recording Room, Piano Room, Multi-media Room, Studio, Generator set, Acoustic Lab etc.
Product:Pyramid acoustic absorbption Sponge
Material Polyurethane
Size 50050050mm
Sound-absorption coefficient 0.9
Fireproof B2 grade can be customized
Environmental :E1 grade
Color:Black,white and other colors can be customized
Denstiy:15kgs~35kgs/m3
Packing: in PE bag