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.
WELLYOUNG perforated gypsum board is one of the best sound absorption products, it ie widely used in Auditorium, office, cinema, churcSurface Treatmenth, hospital. School and so on.
Surface Treatment plain paper; pvc lamination; latex painted
Backside Acoustic non-woven cloth, white or black color
Thickness 12mm
Size 1200x2400mm
Edge Square
Size of hole Round hole,Square hole,Cross hole, Irregular hole,Micro hole,Rectangle
hole, Long round hole, Cellular hole
Perforation Patterns H1, H2, H2L, H4, H4L, H6, H8
Perforation Rate 6.8%-19.6%
Sound Absorption aw 0.65 NRC 0.70
Climate (RH) 70
Density 9.4 Kg/m2
K-Value 0.1w/m k
Applications Suspending ceiling, wall partition Other installation Materials
Multipurpose Interior Putty,Jointing Compound,Drywall Screw,Paper Tape,Glass Fiber Mesh. (we also offer these products)