Perforated gypsum board/ceiling board/ceilings

Product Description   Perforated gypsum board is through  in the front and back of the gypsum board cylindrical apertures, gypsum board pasted on the back of the back cover with a breathable material and can absorb the energy of the incident sound absorption materials group from Taiwan. Absorption mechanism is a large number of tiny internal material communicating pores, these pores can sonic depth along the interior material, and material friction effect sound energy into heat. Sound absorption properties of porous sound-absorbing material with the increased frequency of sound absorption coefficient increases. Packaging & Shipping  

Packaging Details:	1,Export standard packing  2,according to customers' request
Delivery Detail:	within 2 weeks after T/T deposit or L/C issued

   Product photos