1)Pure inorganic materials 2)fire-proof slabs and putty 3)non-combustible,smokeless nontoxic and facilitated for labor Our all type fire-proof slabs and putty are made of pure inorganic materials. That are non-combustible, smokeless, nontoxic and facilitated for labor, it can be safely used for various types of fire safety worksPhysical properties and fire resistance of calcium silicate ...