New design mineral fiber board ceiling: 1, good sound acoustic ... according to your request.Feature MaterialWet Formed mineral fiber SurfaceFactory Applied Vinyl Latex PaintNoise reduction coefficientNRC 0 ... ,14mm, 15mm, 16mm,18mm, 20mm etc.Mineral Fiber Tile Product FeatureSound absorbing,Resistance to fire, warm- ... ;OtherMold resistance No AsbestosNo Formaldehyde New design mineral fiber board ceiling