Our product fiber cement board is made from high-quality fiber and mineral substances with advanced technology and process,which have undergone high temperature and high pressure maintenance,and special treatment. Main Parameter Color :Grey,Black,White,Red,Green,Yellow Material:Cement,Quartz sand,Pulp Size:1220*2440 mm;1220*2770 mm;1220*3000 mm Max Width: 1220 mm Max Length: 3000 mm Thickness: 4-20 mm Edge:square,beveled,tapered Density:1.20-1.35g/cm3 Moisture Content:≤10% Water Absorbing Capacity:≤55% Thermal Conductivity: Average≤0.20W/MK Bending Strength:Transverse≥11.0N/mm3,Vertical≥8.5N/mm3 Fire resistance: Incombustibility grade A(GB8624-A grade) 100% asbestos free More:zjgmgo.com fireproof-board.com