Plastic doors and windows
Plastic steel windows: Although ordinary aluminum alloy windows have good flame retardancy, they are inferior to plastic steel doors and windows in thermal insulation. They are also common doors and windows, widely used in residential and commercial buildings. According to the four-step energy-saving requirements, the plastic-steel window can be equipped with 33-39mm double hollow glass to make its thermal insulation performance K < 1.5W (k), wind pressure resistance 5, air tightness 7, water tightness 3, etc., and can realize a variety of opening modes. The profile surface can be treated by a variety of processes, such as film coating, two-color co-extrusion, body coloring, etc., to meet different needs.