Advantages and purchase methods of tempered glass Since the tempered glass is broken, the pieces are broken into uniform small particles and there is no common glass blade-like sharp angle, so it is called safety glass and is widely used in automobiles and interior decoration.
In the home, the sharp knives and sharp corners of the ordinary glass are easy to cut children or impacters, causing personal injury. After the glass is broken, it becomes a small particle or a knife. This is the main difference between tempered glass and ordinary glass. However, in engineering inspections, it is unrealistic to use such destructive tests.
So how can you know if you are buying tempered glass?
This has to be analyzed from the principle of tempered glass. The tempered glass is obtained by first cutting the ordinary annealed glass into the required size, then heating it to a near softening point, and then performing rapid and uniform cooling. After tempering, the surface of the glass forms a uniform compressive stress, while the inside forms a tensile stress, which greatly improves the performance of the glass. The tensile strength is more than three times that of the latter, and the impact resistance is more than five times that of the latter.
It is also this feature that the stress characteristic is an important sign to identify true and false tempered glass, that is, tempered glass can see colored stripes on the edge of the glass through the polarizing plate, while black and white can be seen in the surface layer of the glass. Interphase spots. Polarizers can be found in camera lenses or glasses, and attention is paid to the adjustment of the light source during viewing, which makes it easier to observe.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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