Steel fire rated door(abcccc.Cn) Steel fire door certification &criteria.: bs 476 part20&22: 1987;íí Gb12955-1991;iso9001:20002. Door fire rated: 60mins, 90mins, 120mins, 180mins. Steel fire door design and discriptioníí Standard size: 1000*2200*50mm, íí Thickness of panel/frame:0.8/1.2mm, íí Infill materials: rockwool, fire proof board or siliceous aluminumíí Fireproof accessories: locksets(push bar), hinge, door closers, installing bolts etcíí Surface: power coating4. Standard export Packing:foam board and plastic bag and strong carton5.Welcome oem&odm for steel fire door Pe film, carton