Broken bridge aluminum performance Competition
Plastic doors and windows because of the material strength and low rigidity, and its resistance to wind pressure and watertight function than the bridge aluminum doors and windows are low, many steel doors and windows because the box, fan components are welded, so its air tightness should be broken than the screw Bridge aluminum doors and windows slightly better, but the aluminum alloy doors and windows profile height accuracy, box, fan with more closely.
Plastic doors and windows of the lighting function than the broken bridge aluminum doors and windows difference, the frame fan shade area than aluminum alloy doors and windows about 10%, vision and decorative effect is poor, is not conducive to building energy saving. On the doors and windows of the fire function: steel doors and windows and aluminum doors and windows are relatively good, plastic doors and windows and wooden doors and windows are relatively poor. Moreover, because the steel-steel doors and windows of the lining steel is not in its profile cavity corner into a complete frame system, window frame, fan four corners and T-shaped plastic welding angle strength is relatively low. Broken bridge aluminum doors and windows and steel doors and windows of the gap sealing level is basically the same, the sound insulation is basically the same.
Insulation performance comparison: broken bridge aluminum insulation function as good as steel doors and windows, and aluminum window frame fan accounted for the whole window area than plastic steel doors and windows about 10%, and then aluminum doors and windows frame fan profile is not solid, and hollow aluminum Profile wall thickness (actual thermal bridge) than the plastic profile wall thickness of about 40%.
For the color, the plastic doors and windows of a single white is a huge flaw, can not meet the rich variety of architectural exterior decoration needs. According to information, the static electricity on the plastic fire, can be coated on its surface containing quaternary ammonium salt anti-static oil, can absorb the water in the air, increase the conductivity.
Fire performance, the flame retardant pvc plastic doors and windows of the fire resistance relative to the combustible wooden doors and windows is better, but with non-flammable broken bridge aluminum doors and windows is poor.
In contrast to the spray method, the bridge aluminum doors and windows have powder coating, anodizing, electrophoresis coating, wood grain transfer processing and other surface treatment technology, the surface color choice, white, green and other colors and Wood grain, granite and other surface color.
