Specifications
perforated acoustical panel1. wide sound absorption spectrum
2. high absorption coefficient
3. non-combustible
4. dust-free
perforated acoustical panel
Feature:
1. it has wide sound absorption spectrum, high sound absorption coefficient, perfect absorption effect for low, medium and high frequency noises.
2. it is noncombustible, dust-free, strong decorative effect, simple construction and so on.
Structure:
Structure of perforated acoustic panel: filled with glass wool inside, aluminum frame, wrapped with fiberglass cloth, and covered with perforated aluminum decorative plate on the surface.
The rate of perforation can be adjusted according to customers' requirement.
Dimension:
Thickness: 30mm
Standard size: 1200×600×30mm, 600x600x30mm
Acoustic performance:
Model: [QY-CB-A030] 30mm thickness
Test condition | Centre Frequency (Hz) | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
5cm cavity | Sound absorption coefficient α | 0.25 | 0.48 | 1.01 | 1.09 | 1.06 | 0.91 | 0.84 |
10cm cavity | Sound absorption coefficient α | 0.39 | 0.74 | 0.89 | 1.04 | 1.14 | 0.93 | 0.94 |
20cm cavity | Sound absorption coefficient α | 0.45 | 0.96 | 0.87 | 1.13 | 1.14 | 1.02 | 0.84 |
Color: white
Flame retardance: Class A
Application: gymnasium, auditorium, conference hall, hotel, ballroom, karaoke hall, cinema, bowling alley, language chamber, rehearsal hall, hospital, noise control for workshop and generator room and machine room and so on.
Installation method: use T-grid visible (or hidden) to fix (same with installation method of the general aluminum gusset ceiling board)
