... process, as well as toxic free, GM Fireproof decorative board is one of the products of GM series. ... cementitious. It characters of high strength, non-ignitable, fireproof, waterproof, anticorrosion, excellent adhesion and easy process, ... 200QualifiedQuality loss coefficient, %≤5041.9QualifiedTesting authority: National fireproof building material quality inspection supervision center Usage: Decoration ...