Causes of bubbles

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#13018
Stephen Richard
Participant

Some things that I can think of off hand that cause bubbles:

single layers

layup that is heavy on the egdes

no way out for the air

shelves with a dip

bubble squeeze at the wrong temperature – too low or high

If you give us some more information on configuration of kiln and of glass layup, schedules and all those other variables, we might be able to suggest some things.

Stephen Richard

blogs at: http://www.verrier-glass.blogspot.com/ and  http://www.glasstips.blogspot.com/

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