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[China Glass Net] Compared with ordinary glass, tempered glass has made significant progress in both the production process and the aesthetics. It has already occupied a certain share in the market. However, how do large and small manufacturers on the market identify the quality of tempered glass?
Observe the presence or absence of quality defects such as bubbles, inclusions, scratches, lines and fog spots. The glass with such defects will deform during use, reducing the transparency, mechanical strength and thermal stability of the glass. This is the main factor in detecting the quality of glass.
In addition, the installed glass is divided into ordinary flat glass and tempered glass. The two are difficult to distinguish from the naked eye, but generally have the 3C mark. Some people say that the sound can also distinguish whether it is tempered glass, but the experts do not seem to hear it, so this identification method is not reliable.
Since tempered glass is tempered by heat treatment, they all have stress lines left by heat treatment, and stress lines are usually invisible. Light reflection discrimination using the sky outdoors or indoors using windows: Look at the light reflected from the glass or the window, and slowly change the angle of observation. In the case of tempered glass, it is possible to see a column of blue-gray regular, dark intermediate, shallow and fuzzy circles, or elliptical or long strips on the surface of the glass. You can try to identify it before you install it in the glass window.
Good tempered glass is not only difficult to use, but also beautiful, and can also play a decorative role.
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