I watch our glass shop cut glass he scares both sides then pops it with his hand on a piece of carpet then puts lighter fluid on the crack and lights it to melt the plastic between it ... I dont know if it was tempered , but I think it was .. I dont know much about glass ...
Well, I untempered it in my wife's kiln and then cut it. Might come in handy if I wanted to cut down the wing vents of a 66 Caddy...
Yep, when I cut it I get pieces in about 1/4 inch squares. Lots of very small windows.
Can you re-temper it after it is cut?
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[cl[cl[cl very small windowsYep, when I cut it I get pieces in about 1/4 inch squares. Lots of very small windows.
I was curious enough about how glass is tempered to do some looking.
Apparently it is done by either heating to well over 1000*, then cooling quickly in cool air, or by immersing it in melted potassium nitrate. (What ever that is.)
For flat vent wings, I would think it would be cost prohibitive. Getting flat laminated glass cut to fit is expensive but I'll bet still cheaper.One of the glass guys I used to use (he retired) did flat glass untempered, then sent it out for tempering.
Based on Sam's experience tempered glass can be untempered. So I would think you can find a business in most large cities that will untemper and retemper.
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