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Old 2019-09-23, 8:50am
5betsy 5betsy is offline
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Join Date: Apr 17, 2009
Location: Back in Tucson for good
Posts: 354
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I get my mandrel bright red hot before I apply the molten glass.

The mandrel doesn't have to stay red hot but once it gets that hot, you can just keep it warm while your glass melts.
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