... typeGrid, Rectangle, Square, StripFunctionFireproof, Sound-absorbing, Sound-absorbing, Damp-proof StandardsGT8-624-1997, EN20-140-19942. Raw materials: powder ... .7.Package Terms: inside covered with imported PVC shrink film, outside packed by cartons8.Transportation and storage: When transporting ... horizontally, about one meter away from the wall. damp-proof Mineral Fiber Acoustic Ceiling Tiles