Cửa cuốn ngăn cháy các loại EI, E

Rolling doors prevent fire, fireproof EI 60 Minutes

Fire blocking rolling door products have fire resistance limits EI70, EI60, EI45, EI30, EI15 type 1 with a body thickness of 45mm+_2mm, with the following structure:
+ Main side: 02-layer steel rolling door slats, 90mm steel slats, folded width is 73mm, 0.6mm steel thickness for each layer, the slats are linked together by bending grooves, between the 2 layers of steel are stuffed with ceramic cotton with a volume of 128kg/m³
+ Secondary side: 2 layers of High silica fabric coated with fire-fighting adhesive on one side, 5mm layer of ceramic insulation with a volume of 200kg/m³, 3 layers of foil, 25mm of ceramic insulation with a volume of 128kg/m³
+ Roller uses 113.5mm - 219mm tube type, thickness from 1.8mm - 6mm
+ The guide rail is made of 02 layers of steel with dimensions of 130x125x1mm, inside is stuffed with insulating ceramic wool with a volume of 128kg/m³ and 2 MgO panels, each 5mm thick with a volume of 850- 1050kg/m³.
+ 20x40 technical box frame, 1mm thick panel, 25mm thick ceramic wool insulation layer, with volume of 128kg/m³