... Specifications:Raw material:Magnesium oxide , magnesium chloride ,fiber glass ,perlite ,wood fiber etc .Incombustible: A Grade, ... primarily as fireproof materials for walls and ceiling in office building,apartmentcomplexes ,residential constructions ,hotels ,theatres , ... insulation and preservation structures ,sign boards ,fireproof partition walls,low fencing partitions .fireproof pipeline ,fireproof ...