... performance spaces, churches, museums, amusement parks, ... Fiber glass Ceiling - Black Surface Ceiling Tiles1) Use fiberglass wool as raw material and back ... ) Widely used in the places with special requirements to light 4) Edges: square, tegular, concealed5) NRC: 0.8 - 1.06 ... : level ASpecifications: 1) Dimensions: 600 x 600mm, 600 x 1,200mm, 600 x 1,800mm, 1200 x 1,200mm2) Density: 100K, 70K, ...