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hot sale soundproof perforated gypsum panel for ceiling
Product description
Wellyoung acoustic perforated gypsum board is designed on the basis of helholtz resonance theorem, After perforated, the holes, board and the wall make up of many resonant cavities, when air molecules pass the holes, the resonant cavities will consume large quantities of sound energy. It is widely used in auditorium, office, cinema, hospital, school and so on.
Specification
Surface Treatment | plain paper; latex painted |
Backside
| Acoustic non-woven cloth, white or black color |
Thickness | 12mm |
Size | 1200x2400mm
|
Size of hole | Round, Square, Cross, Irregular, Micro, Rectangle, |
Perforation Patterns | H1, H2, H2L, H4, H4L, H6, H8 |
Perforation Rate | 6.8%-19.6% |
Sound Absorption | NRC 0.70 |
Lay out
Application
For Ceiling
For wall
Packaging & Shipping
Product quality protection 
