[China Glass Net] First, after the glass film is installed, the overall light transmittance of the glass will be lower than that of the original film, but the clarity will not be affected. 2. The glass film will be professionally used during installation. Solvent, glass film takes a certain time to stick to it after it is attached, sometimes it is invisible to the naked eye but there is still moisture left between the film and the glass. The time of film drying has a great relationship with the temperature and weather. Under normal circumstances, it can be used four or five days after the completion of construction.
3. If the following conditions occur, the installation is deemed to be unqualified: (1) the glue is formed into a mass, and the debris, hair and fiber appear between the glass film and the glass; (2) there are bubbles, water mist and oil in the film; (3) ) Film deformation, film edge warping, scratch cracking, etc., all of which are considered to be unqualified.
Fourth, there is usually a width difference of about 3mm between the edge of the glass film and the window frame. In order to facilitate the water in the glass film, the edge of the glass film is not scraped off by the window frame, so as to avoid scraping the film. The possibility of falling off.
5. A thick film of safety film, the edge of the film and the edge of the glass usually have a width difference of 1-5 mm. Multilayer composite safety films are also suitable for this standard. It is recommended to keep the width difference of 2mm, especially for darker films, which will reduce the incidence of light coming in from the frame.
Sixth, the size of the glass window is getting bigger and bigger, and a piece of glass film can't be attached at all. Only a few films can be used to stick the glass window. At this time, the gap between the glass films becomes the key. Under normal circumstances, the width between the joints is less than or equal to 1mm, and the light can not be leaked while ensuring the appearance.
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