ZJGLEADER board is non-asbestos fibre-cement product composed of Portland cement,cellulose fibre and refined sand. Using a special manufacturing process called autoclave,ZJGLEADER board acquires the strength,durability of cement and easy workability of wood as well as dimensional stability. It can be used for both exterior and interior applications.ZJGLEADER Boards can perfectly be calibrated and then laminated or coated with other materials,such as eg. wood veneer. 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 Fire resistance: Incombustibility grade A(GB8624-A grade) More:www.zjgmgo.com