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Old 02-04-2009, 10:29 PM
3rdday 3rdday is offline
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Join Date: Nov 2007
Location: FL
Posts: 454
Default Re: Trouble with gelcoat

Caymanboy is correct. Uncured expoxy will bond to cured polyester, however uncured polyester will not bond to cured epoxy well. Caymanboy is also saying that polyester absorbs water, that's why polyester gelcoats require a barrier coat.
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