We have never used this as we are glassblowers and would try to heal it with melting the glass together. You would have to look at the instructions for the glass glue you would want to use and see if it is toxic or not.
We have never used this as we are glassblowers and would try to heal it with melting the glass together. You would have to look at the instructions for the glass glue you would want to use and see if it is toxic or not.