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Re: Molds For Casting Blanks?

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Posted by Robert May on February 3, 2001 03:03:35 UTC

Molds like that are single shot molds because the plaster turns back to the unwatered powder (that is how they make it!). The warmglass groups are probably giving you good advice as long as they realize that you are doing pryex rather than thier cooler glasses.

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