Calcium Silicate Board 1. Introduction Calcium silicate board is a most widely used material in due to its good performance and easy-processing feature. It is moisture proof and heat resistant, so it is commonly used for wall and ceiling to keep away humidity and to slow down the spread of fire. What is more, it can be cut, nailed and screwed, making installation much easier. Then labor cost could be reduced as well. 2. Application Calcium silicate board is moisture proof and heat resistant, strong and durable, thus commonly used as wall and ceiling for house, office, warehouse, shopping mall, residential complex etc. 3. Specifications Size (mm) 2440 1220, 2400 1200, 3000 1200, Thickness (mm) 4.5 20 Moisture content (%) 10 Density (g/cm3) 1.15-1.5 Wet Expansion Rate(%) 0.25 Thermal Conductivity (W/m K 0.30 Bending Strength(MPa) 9-12 Non- combustibility GB 8624-2006 Class A 4. Advantages (1). Durable (2). Insect-free (3). Moisture proof (4). Heat-insulated (5). Easy installation (6). Safe and Harmless