refractory coating for lost foam?


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Posted by Joel Comeaux on February 21, 19100 at 14:13:45:


I've looked through all of the postings and have found useful info such as coating my foam pattern with wax, but I'd like to know more about this "porous refractory coating" that can be used as well. Where does one find this elusive material? I'm expanding my machining hobby to encompass casting and could really use the advice. Thanks in advance.

Joel Comeaux

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