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Posted: Thu Oct 23, 2008 10:24 pm
by jook13
I have found that for casting any epoxy that says "5 minutes" on it works well. just follow the instructions and you will be fine... Be sure to lube up the surface of the mold you plan to cast into first though... I suggest bearing grease.

Posted: Fri Oct 24, 2008 4:25 am
by jackssmirkingrevenge
Plenty of casting advice here (though the examples of brands I link to seem to continously die) - you want low viscosity marine epoxy resin.

I started out with this stuff (which was given to me as a birthday gift many years ago, I have understanding friends :D ) but it's expensive stuff and you can find similar materials on ebay at much lower prices. Usually quantities won't be small, but you tend to use very little per project so it works out relatively cheap.

The longer it takes to cure, usually the stronger the result, so I don't really use the 5 minute epoxy for casting. In any case, the quicker curing ones are usually still a little soft when cured and the material is too viscous for efficient casting anyway.