A casting tip from an amature

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A casting tip from an amature

Post by davehal9000 » Sat Sep 10, 2005 3:23 pm

For years I've on and off tired various brands of molding and casting materials. I never had much luck with them, getting usable molds but almost no luck in getting a usable cast.

The other day I picked up a set from Micro Mark. My first mold turned out great, but my casts all had uncured spots on them, no matter how long I let them dry. Typical of past attempts as well.

The I remembered a lesson I learned making Halloween props using fiberglass resin; I took a Q-tip and scrubbed down the mold with acetone. My casts have been flawless ever since. May be something to try if you're having similar problems.
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