European standard fancy style interior french steel fireproof door on China WDMA for Canada
UL Fire Door Specification Brand Xunzhong Certifications UL NUM(R39532/R39533) Filler Material Honey Core, Mineral rock wool, polyurethane core. Fire rated time 1 hour up to 3 hours. Min. Thickness 45mm Size Maximum size is (2530x2530mm) Door leaf sheet 22 Ga. - 18 Ga. (0.8/1.0/1.2 mm)galvanized steel/cold roll steel Door...
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