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Uma maneira simples de distinguir vidro temperado de vidro comum

2020-06-01

Uma maneira simples de distinguir vidro temperado de vidro comum

With polarized sun’s eyes, you can see the color markings, which should not be seen without tempering.
Turning the angle is actually looking at the wind pressure spots on the surface of the glass. You will see irregular deformation of the entire panel glass.
Look at the side should be, when the glass is tempered, it will soften and flatten because the roller cause is worse. When facing to face, the gap in the middle is an ellipse, so it is obvious.
The flatness of tempered glass is worse than ordinary glass.
Simple way: two pieces of glass face to face together and close together, observe two long sides of two pieces of glass, and see if there is any obvious gap between the two glass long edges. If there are gaps, do they all show a certain arc. If so, they should be tempered. Pay attention to face to face, not back to the back. This is physical strength. If not, use two exposed X-ray films to see.
When you look at the side 70 graus, you should see the blue wind stain after tempering. The flatness of the glass is also significantly lower than that of the glass before it is tempered.

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