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 ... Feature: MaterialWet Formed mineral fiber SurfaceFactory Applied Vinyl Latex PaintNoise reduction coefficientNRC 0.4-0.6 depending on ... 13mm,14mm, 15mm, 16mm,18mm, 20mm etc.Mineral Fiber Tile Product FeatureSound absorbing,Resistance to fire, warm ...