Frost safe glass

Hello, please can anybody tell me if Bullseye glass can be made for outdoors and withstand frost...cold etc. Thank you.

Frost

I have used plenty of bullseye glass outdoors, both fused and unfused, there has been no problem (with frost).

 

 

The glass is good for more

The glass is good for more than 1000 degree shift, so the temperature should be OK. Some glass has a color shift in sunlight, but that would take 50 years or more,

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