الوصف

Product property: 1. Have good effect of sound insulation, when using individually, the weighted sound insulation index reaches *7dB(A) 2. Add one layer of Vibration reduction and noise insulation board on the wall, the sound insulation index can increase by *2dB(A) (≥*0mm cavity) and 9dB(A) closely install 3. Better vibration damping, 4. High strength, not easy deformation, can be cut arbitrarily 5. Dampproof, anti-moth, fireproof grade is A 6. Make second time decoration for the surface, plaster, brush coatings, and paste wallpaper 7. Simple installation Technology support: Domestic product, have got national patent, patent application number is ***********7.7.