China fabric wrapped sound proof/decorative polyester fiber board
USD $2 - $5 /Square Meter
Min.Order:100 Square Meters
Nanjing Hongsheng Felt Production Co., Ltd.
China fabric wrapped sound proof/decorative polyester fiber board
1.High absorption coefficient
2.Flame retardant
3.Easy to install
4.Environmental protection
5.thermal insulation
6.High sound absorption coefficient
7.Nonflammable
8.Dust free
9.ISO9001:2008
Features:
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
Test condition | Centre Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 |
Install closely on wall | Sound absorption coefficientα | 0.27 | 0.91 | 1.23 | 1.29 | 1.21 | 1.13 |
10cm cavity | Sound absorption coefficientα | 0.58 | 1.10 | 1.33 | 1.19 | 1.28 | 1.22 |