1.Produced by natural gypsum 2. Different beautiful Design 3. High Quality and Good price 4. Timely Delivery New Design Calcium Silicate board, non-dust, noxious free,safe, healthy, strong intension and easy clean.The detailed information of the calcium silicate board is as follows:(1) Thickness: 7mm-20mm(2) Sizes: 595*595mm 603*603mm 600*600mm(3) Size Tolerance: length, width, thickness :±2mm (4 ...