Sound absorbing cotton internal fiber fluffy staggered, the existence of a large number of tiny pores, is a typical porous sound absorbing materials, has good sound absorption properties. Sound absorbing cotton can be made into a wall, ceiling, space absorber, can absorb a large amount of sound within the room, reduce the reverberation time, reduce indoor noise.

Absorbent cotton absorption characteristics not only with the thickness and density, and the covering material, structure and other factors. In building application still needs while taking into consideration the cost, appearance, fire, moisture, dust, aging etc.