... , CE certificate, ISO 9001-2000, ISO14001-2004. Middle density fiber cement board:The mail raw materials are cellulose fiber, quartz sand and ... material, it has property of high strength, large size, light weight, fireproof and waterproof. Item StandardLength×Width×Thickness (mm)2440×1220 ... /m·k 0.3IncombustibilityIncombustibility Class A according to GB8624 Fiber cement board (CE approved)