... board, base plate, external wall panel, exterior wall cladding, paneling, flooring, back-liners, skirting lines, prefabricated structures, door shutters etc. For ... size:1220x2440x5mm-18mm (4'x8'x5mm-18mm) Materials: Tobermorite, Cao, Quartz sand, cellulose fiberFire-proof rate: A-class incombustible (GB8624-1997)Incombustibility ...