moulding sand mixture?

ArtMetal
Bramblebush


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Posted by tree on May 23, 1999 at 18:08:49:

Does anyone have a good recipe for an oil based casting sand. I cannot find it in my area, and dont want to pay more for shipping than the cost itself. I have had some success with a pumice and baby oil mix. It will make a really fine impression, but I have trouble getting it to part regardless of the parting compound(talc, cornstarch, chalk).I obtained a small quantity of sand from a local foundery, there's two in my area. They are not very helpful, they seem to think I will blow myself up and they could somehow be held responsible. It works very well! I am familiar with the ingredients sand, a little clay for a binder, and oil. Can anyone help?


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