Specifications

acoustic ceiling
1. Wide sound absorption spectrum
2. High absorption coefficient
3. Perfect decorative effect
4. Dust free

acoustic ceiling

Property:

1. Wide sound absorption spectrum, high sound absorption coefficient.

2. Strong decorative capacity

3. Environmental friendly, dust free

Use: this product is mainly used in the suspended ceiling for every kind of halls, certificate hall, restaurant, station, open office and so on.

Structure: elastic acoustic panel is filled inside, covered with perforated aluminum grille. Any perforation rate can be made according to customers' requirement.

Standard size: 4000*220*55mm

Installation method: use the special accessories to fix

Acoustic performance:

Test standard: GBJ47-83                   Test time: 28th March, 2008

 

Test condition	Centre Frequency (Hz)	125	250	500	1000	2000	4000
Suspended the grille distance is 20cm	Sound absorption coefficient α	0.27	0.74	1.56	1.88	1.81	1.53