... x 1200mm etc. 4mm, 5mm, 6mm fireproof, waterproof. calcium silicate ceilingDESCRIPTION:Calcium silicate ceilings are made of calcium silicate boards, and after cutting to be correct size ... .calcium silicate ceiling PHYSICAL PROPERTY MATERIAL: FIBER, CEMENTS, QUARTZCOATING: ACRYLIC PAINTINGMAIN COLOR: WHITEFIRE RESISTANCE: INCOMBUSTIBLEDENSITY: 1.0-1.3G/CM3WATER ABSORPTION: <10%THERMAL ...