Water soluable (sp?) Oil exists in many types of industrial cutting oils, we happen to have a small barrel of it in our garage. Ours is made by pennzoil and we use it mixed with water in our band saw. It is also pumped, so there is no threat to it turning into a solid.
I'm not sure if it conducts electricity or not, so oh well.
Has anyone ever thought about adding like copper dust into a loop? I know it would destroy any pump pretty quickly, but do you think cooling capacity would be greater? I have always wanted to know.
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