Polyester Casting Surface Finish


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Posted by Eric on May 14, 19100 at 15:04:47:


I posted for some help regarding polyester casting techniques a while ago and received some great tips. I have another question, however. The open surface of my casting is curing very cloudy, people are telling me to place a sheet of Mylar on top of it as it cures.

When does the Mylar get put on (right away, when it gets tacky)? The resin doesn't stick to it? When do you take the Mylar off? Can you still sand and buff the surface afterward? Sorry for so many questions in one posting!! Thanks for any/all help!


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