acoustic mineral fiber Ceiling Tiles: 1,NRC=0.55,RH=95% 2, fire resistance Class A 3,CE ISO,SGS quality 4 ... ,OEM available acoustic mineral fiber Ceiling Tiles is the most economical lay ... customers demand;OtherMold resistance No AsbestosNo FormaldehydeApplicationWidely used as suspended ceiling of super class buildings such as restaurants,shopping malls, ...