Non-asbestos calcium silicate boards Size: 595*595*4-8mm, 600*600*4-8mm, 1220*2440*5-12mm Non-asbestos calcium silicate boardsSpecification: 595*595*4 ... -8mm, 600*600*4-8mm, and 1220*2440*5-12mmMaterial: crystal stone, cement, silica sand ... (GB6566-2000)Main usages: Patition and suspended ceiling Non-asbestos calcium silicate boards