Another glass safety test

ScottA ScottA
Because there are still concerns about the safety of glass, I took it upon myself to test a SSA glass toy in ways that exceeded the design specifications for shock and thermal stress.

First, the shock test. For this test I took the toy up on the roof of a one story house and dropped it onto the concrete pad below. No chips, no cracks, no breakage.

For the second test I heated the toy up to 300F in the oven (note - this is a very unsafe temperature! Do not use toys that are heated up over about 105F). After it was heated I plunged it into a bowl of ice water. No change, no cracks.

Conclusion: tempered borosilicate is tough stuff. If you have a toy from a reputable manufacturer you don't need to worry.
05/23/2012
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ToyTimeTim ToyTimeTim
Quote:
Originally posted by ScottA
Because there are still concerns about the safety of glass, I took it upon myself to test a SSA glass toy in ways that exceeded the design specifications for shock and thermal stress.

First, the shock test. For this test I took the toy up on ... More
Sounds like you got similar results as I got.

Yup, good stuff that Borosilicate.
05/23/2012
ScottA ScottA
Update: things that will crack/break borosilicate:

Heating to near red heat with a torch and plunging into ice water (cracks).

Scratching it, holding it in a vise, and pounding with a hammer (break, fairly clean).

In short - you really don't need to worry about it breaking or cracking unless you do something really extreme.
05/23/2012
Kitka Kitka
Interesting findings, thanks for sharing! I love my glass toys
05/23/2012
sweetiejo sweetiejo
Love this, this is great information and should be shared between all glass toy users. I left mine in my car overnight in winter in Wyoming (it was below 0) and it actually held the cold for temp play I loved it.
05/23/2012
Total posts: 5
Unique posters: 4