... 4.CE NEW!!! Light Weight Fireproof Sound Insulation Wall Partition BoardBrand: BOYUEJIAComposition: Calcium silicate ... additions or renovations.Advantages: Light weight, sound insulation,heat insulation and preservation, water proof, fire proof, ... 10≤9 ≤77Drying shrinkage value /mm/m≤0.6≤0.6≤0.6≤ ... Russia, Australia, India, Turkey, Solomon, South Africa etc. High quality and low price, Boyuejia panel ...