6.High sound absorption coefficient 
7.Nonflammable 
8.Dust free 
9.ISO9001:2008

Features of polyester board:

1.This product has wide sound absorption spectrum, high sound absorption coefficient, good absorption effect for low, medium and high frequency noises.

2. It is also nonflammable, fireproof, beautiful, elastic, dust-free polluted, strongly decorative, simple construction and so on.

3. It is mainly applied for the medium decorated areas needing acoustic design: ballroom, karaoke hall, restaurant, hotel, family cinema, cinema, meeting room, bowling alley, language chamber, rehearsal hall and so on.

Model: [QY-XB-A050]   50mm thickness

Property: The sound absorption property of this product is tested by the institute of Architectural Acoustics and Optics of Chang An University. The tested result is as below:

Test standard: GBJ47-83