How to Identify Tempered Glass
Tempered glass is also called safety glass. Tempered glass is used on car windows, shower doors, door windows, computer screens and coffee makers due to the high quality of safety. Tempered glass is made through extreme heating and cooling. It appears the same as any standard glass, and it can be difficult to tell the difference unless you analyze it very closely. Does this Spark an idea?
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Instructions
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Examine the thickness of the glass. Tempered glass is up to five times thicker than standard glass.
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Check for optical distortion. Tempered glass gives a distortion to reflected images as opposed to any other glass. This happens as it is made through extreme heat and cold temperatures.
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Look for roller marks. These will be small whitish-colored streaks on the tempered glass that occurred when it was made.
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Check for waves or bends in the tempered glass. Some bending or waves can be noticed and are very common in safety glass.
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Notice its high tolerance to heat. The tempered glass is made with high temperatures and is able to withstand heat, whereas other types of glass cannot. This is why tempered glass is used on coffee makers and vehicles.
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Notice the way the glass shatters. If it ends up cracking in one place, tempered glass will shatter the entire piece of glass for safety purposes. There are no sharp edges, and all of the glass will break into small rounded pieces.
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References
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Comments
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#1 is just silly. Tempered glass can be as thick -- or as thin -- as annealed (untempered) glass. The exception is 3/32" or thinner glass, such as you see in picture frames, as it is too thin to temper. However, 1/8" thick glass and up can be tempered.
