... 3. fire, water, sound proof 4. light weight, high strength, no shrinkage 1) Raw materialsgypsum powder, gypsum retaining paper, ... fiber glass),cornstarch, vesicant, lightweight aggregate, citric acid, water, adhesive, etc.2) Product Description (size and thickness)Normal size: ... 00-15.90mm .About other specification, we could process for you according to your special demand.3) Quality standard ...