It is ridiculous to keep posting that cracking is caused by overheating the glass. The heat of our torches should not be enough to change the COMPATIBILITY of the glass and if it is, there is something wrong. I see that it could cause scumming and bubbles or devit or whatever, but NOT cracking.
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DOG is my co-pilot
Cricket w/two 5 lpm oxycons - and sometimes a Minor.
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