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  1. I'm making slip cast molds from pottery plaster #1 from a wax original.. I've always used clay originals before without this problem and the wax Sculpture details are grabbing chunks of the plaster when demolding. (waited 24 hrs for cool plaster to demold). What can I use on the wax as a release agent that won't inhibit the absorbtion of plaster later?? I looked into pure lube/potters soap/green soap but saw that bonds permanently so can only be used on mold seams, I have petroleum jelly that I normally use to release the seams, but am wondering if that will seal the inside and create ab
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