Posted by Steve | Posted in Mold Making | Posted on 30-04-2010
Tags: Casting, diy, materials, molds, resin
Can I use polymer to make a mold for resin?
Or it is too porous? I would be using it to make pendants/jewelry. Thanks in advance.
Would I bake the clay and then use it as a mold or leave it soft and pliable so I can release the resin?
Having experience in both polymer clay and resin casting (but not together), I would say yes–the chance for success is high.
My only thought is that your resin casting might provide some clean-up problems if your baked clay mold has any undercuts in it.
Since the resin doesn’t create extreme amounts of heat during curing, you might also experiment by using an oil-based clay for your mold material.
The key word here is experiment! Make a simple mold out of as many materials that you think might work, mix some resin, cast into the molds, sit back, wait, and evaluate your processes.
Good luck!
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