Old Nov 1, 17, 7:05 pm
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Originally Posted by C W View Post
Looks like tempered glass to me. Designed with internal strain to shatter into many small pieces as seen in the picture, avoiding longer and much more dangerous shards that can cause worse injuries. Also would have caused the window to shatter on impact, preventing heavy pieces of glass from falling onto people. Such glass is standard equipment in chemistry laboratories and in autoglass (in combination with lamination in some areas).
I claim no expertise in this whatsoever, but doesn't it look like it came down completely or mostly intact and then shattered on impact with the ground? Seems to me the spread of the pieces would be wider and more even if it shattered from up high. In the photo we see a big concentration of pieces along with width of the pane.
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