... wall cladding Calcium Silicate Board is mainly made of cement and silicate materials as base and wood fiber strengthen ... Used as suspended ceiling, partition, heat insulating board, base plate, external wall panel, exterior wall ... Materials: Tobermorite, Cao, Quartz sand, reinforced wood fiberFire-proof rate: A-class incombustible (GB8624-1997 ... with Standard (GB6566-2000) calcium silicate board