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Plastic steel windows are a common type of window and are also the largest in the market; Plastic steel windows have many advantages, such as sound insulation, thermal insulation, good airtightness, long service life, and high cost-effectiveness; But plastic steel windows have a major drawback: when distinguishing the quality of profiles, they require some small skills that non plastic steel …

The “bridge” in the name of “broken bridge aluminum” refers to the “cold and hot bridge” in the sense of material science, and the word “broken” means action, that is, “breaking the cold and hot bridge”. Specifically, because aluminum alloy is a metal with fast heat conduction, when the temperature inside and outside the room is much different, aluminum alloy …

Door and window selection First, please carefully review the engineering drawings, determine the type and number of windows required according to the drawing style requirements, and determine the thickness of profiles and steel linings in combination with local wind pressure, hole size, floor height and other factors. Door and window design According to the blanking rules of this type of …

Windows and doors are an indispensable part of building a house. There are many kinds of windows and doors, such as plastic steel windows and doors, wood windows and doors, aluminum alloy windows and doors, etc. The maintenance methods of windows and doors made of different materials will be slightly different. What is the maintenance method of plastic steel windows …

Doors and windows are part of the building, which should have the same long life as the building. Choosing a good door and window is also a good guarantee for the quality of home. First of all, we need to choose profiles. Considering the windows of most houses at present With large household area (such as sealed balconies) and many …

The appearance of the profiles should be observed. The color should be bluish white rather than white as commonly believed. Pay attention to whether the color of the profiles that make up the frames and leaves of doors and windows is consistent, whether the appearance is uniform, and whether the cavity distribution is reasonable. Calcium carbonate is usually added to …

1. After the doors and windows are installed, the protective film on the profile surface shall be removed in time and wiped clean; Otherwise, a large amount of adhesive of the protective film will remain on the profile, which is clay, sticky and very ugly, and it is difficult to clean up again. 2. When it is windy, the casement …

Door and window sealing strips can be divided into glass sealing strips (adhesive strips) and wool strips in terms of use. Glass sealing strips are used for sealing between glass and leaf and between frames, and wool strips are mainly used for sealing between frames and leaves Sealant strips are generally applied to the sealing between casement windows and top …

It is to stick the specially made color film on the surface or both sides of white or other color profiles by pressing the film made of color and various simulated wood grain patterns on the production line of the film covering unit through gluing and heating, using the method of heating and mechanical film covering, so as to make …

Thermal transfer is to use a transparent plastic film as a carrier, first print the color and pattern on the film, and then press and heat the color and pattern on the film to transfer to the profile. The surface of the heat transfer printed profile is no longer coated with paint, and the surface is very thin, like a …

Electrostatic spraying generally needs to be sprayed 2-3 times, and the color should be at least one kilogram. In Germany, spraying is generally only done in window factories and almost not in profile factories. After electrostatic spraying, the interface of window corner welding will turn black due to high temperature during welding. There is a kind of paint that will …

For color printing, first extrude a layer of base color on the surface of the profile, and then print. After printing, apply a layer of paint. Because PMMA is light resistant and wear-resistant, the top layer is coated with PMMA. The color printing machine is very expensive, the cost is calculated in meters, the color exchange is very slow, and …