Property of noise dropping: Glassfiber cotton is one of the best sound absorbing materials. The sound absorbing coefficient NRC is around 1.0. sound wave can not produce echo on its surface. It can control and adjust effectively the time of reverberation and drop noise and improve timbre. Fireproof level is a level (nonflammable level).

Heat preservation: if apply to the place where exists air-condition,it can reduce the effect from environment to indoor temperature and save energy source effectively. Property of damp resistant. Property of inhibit bacterium. Easy and quick installation. Environmentally friendly. It features good sound absorbing effect,heat preservation,high fire retardant,high strength,level and beautiful decorative effect. It can improve acoustical environment of building and raise people's quantity of work and living.

It is wise used for indoor space where not only has the requirement to noise control but also the needs medium and high quality decoration,
such as hospital,meeting room,exhibition hall,cinema,library,studio,gymnasium,phonetic classroom and shopping centre.