Calcium silicate board 1.high density 2.non-asbestos 3.used as ceiling 4.fireproof Non-asbestos calcium silicate products GB/T10699-1998 physical ... to b oxidation of silicon powder-like material, CaO, fiber-reinforced materials, a small amount of additives, as well ... . The long-term repeated use of products 5, microporous calcium silicate board, tube high strength, temperature range in the use of ...