Plastic steel doors and windows are made of polychlorohexene (UPVC) resin as the main raw material, plus a certain proportion of stabilizers, colorants, fillers, UV absorbers, etc., after extrusion molding, and then through cutting, welding or screwing The method is made into a door and window frame fan, which is equipped with a sealing strip, a top strip, a hardware, etc., and at the same time, to strengthen the rigidity of the profile, a steel lining (reinforcing rib) needs to be added in the cavity of the profile exceeding a certain length, so that the portal is made The window is called a plastic steel door and window. Plastic steel door and window classification 1. Plastic steel doors and windows are divided into: fixed window, upper hanging window, middle hanging window, lower hanging window, vertical turning window, swinging door and window, pulley casement window, pulley window, swinging lower hanging door and window, sliding door and window, Push-pull casement window, folding door, floor spring door, lift sliding door, push-pull folding door, inner reverse sliding door. 2, plastic steel doors and windows are divided into performance according to the performance: ordinary doors and windows, sound insulation doors and windows, insulation doors and windows. 3, plastic steel doors and windows according to the application parts are divided into: inner doors and windows, outer doors and windows. 1. Light-weight aluminum structure, decreases load on the roof ;
4. Installation cost of lightning protection is low because of system`s unique design.
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2. Clamps can be adapted to any kind of sheet-metal roof ;
3. Topside structures are universally applicable ;