Mineral Wool Board 1.sound absorption 2.fire/moisture proof 3.size:(300~600)x( ... typeAdhesive and Nails, Square, Tegular, Concealed, Shiplap, Linear ShiplapFunctionFireproof, Sound-absorbing, Sound-absorbing, Damp-proofStandardsGT8-624-1997, EN20-140-19942. Raw materials ...