Quote:
Originally Posted by sphelps
I doubt it's tempered but there's an easy way to be sure. You need two polarized lenses, one on each side of the glass and look through them while you rotate the lenses. If it's tempered you'll see a matrix type pattern which represents the internal stresses caused from the process. You can use polarized sunglasses if you have them.
You can test this procedure on your car windows, your windshield will not be tempered but your side windows will be.
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Huh, very cool! Imma try that! I think I saw that on YouTube once.