Tempered glass is often encountered in people's daily lives, such as tempered glass in office buildings, tempered glass pot covers, tempered glass water bottles, etc., which are closely related to our daily lives. Although tempered glass is relatively safer than ordinary glass, it is also very dangerous to encounter products with poor quality! So when choosing a product, we need to learn how to investigate its quality.

1. Each piece of regular tempered glass has a 3C mark, while ordinary glass generally does not have one.

2. With polarized sunglasses, you can see colorful patterns, which should not be visible without tempered steel.

3. Turning angle, in fact, also depends on whether there are wind pressure spots on the surface of the glass. You will see irregular deformation of the entire glass surface.

4. When looking at the side, it should be noted that when glass is tempered, it will soften and the flatness will deteriorate due to the roller conveyor. When facing the surface, the gap in the center will be an ellipse, which is very significant.

When you look from the side at 70 degrees, you should see blue wind spots after tempering, and the flatness of the glass is significantly lower than before tempering.

6. The flatness of tempered glass is worse than that of ordinary glass

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