Fire Rated Door with FM AND WHI(ASTM E2074, UL 10(c), NFPA 252, and UBC 7-2 part 1) Chinese standard GB 12955-2008) 1.Fire resistant door with FM,WHI,ISO9001:2008 2.Fire rating:30minutes,45minutes.60minutes,90minutes,120minutes,150minutes,180minutes Fire Resistant Door 1.Certificate: American standard FM and WHI(ASTM E2074, UL 10(c), NFPA 252, and UBC 7-2 part 1) Chinese standard GB 12955-2008 2.Door leaf: 45mm thickness Sheet thickness Thermal insulation All-round fire and smoke prevention expansion seal(on 4 sides) 3.Door frame: Double rabbet frame with all-round fire and smoke prevention seal Sheet thickness 1.5mm,Galvanized steel Welded-on anchor brackets(standard) 4.Floor details: With stepped threshold With demountable threshold(option) 5.Surface finish: Door leaf and frame powder coated in RAL color 6.Special color: Acceptable in chosen other RAL color 7.Hinges: 4.5"Ã?4.5"Ã?3.4mm stainless steel hinge w/2 ball bearings American-style heavy-duty stainless steel hinge(option) 8.Lock: Panic bar exit device with lever handle Fire resistant mortise lock with profile cylinder,keys and lever handle(optional)