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Old 01-16-2004, 03:40 PM
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Richard Huntrods Richard Huntrods is offline
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Re: I have a degree!

Originally posted by David Williams
Literally, becoming not glass by crystal formation. If glass by definition has an amorphous structure, it can no longer be glass if it acquires a crystalline structure. So it de-vitrifies. Becomes not glass.
Cool! (pardon the pun).

I assume, from the previous posts on the topic, that this process is not easily reversed, correct?

Is it "infectious"? That is, once a pot of glass as de-vitrified (and then been emptied), will subsequent charges be more likely to de-vitrify or not?

Related to the last question, would you have to totally empty the crucible (as much as possible) before charging again, or could you charge a pot 1/2 full of de-vitrified glass with batch and make good glass?


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