black fiberglass mat for sound barrier

With the develping of high-speed railway,the black fiberglass mat are widely used the insound barrier for acoustical material combined with fiberglass wool. The black fiberglass mat are dyed by high density &non-alkali fiberglass mat,with antibacterial ,fire retardant,sound absorbing & decoration purpose,its protection enviroment type adhesive ensure the products with high atrengh,good color fastness,abrasion resistance and a stong fiber. The inner lining of fiberglass duct are made by high strengh & abrasion resistance black fiberglass mat,laminated on the surface of fiberglass wool,as a unique material for heat preservation,thermal insulation and sound absorbing,it can reduce the noise and keep the room quiet,and antibacterial &mildew resistance to make sure the environment health. The black fiberglass mat used in the backside of wooden acoustical board,could be with the property of hign absorbing ,non-reflawction ,good moisture proof ,sound insulation and inprove the sound quality. The surface of flat solar energy collection device used by black fiberglass mat ,will be with high sunshine absorptivity,no shrinkage and no volatilization,with good processing property. If you have any needs please contact me freely .