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/diy/ - Do It Yourself

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>> No.1727891 [View]
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1727891

Can I use a plain automotive vacuum pump to degas a molten metal crucible/mold? Assuming I have it in a large enough chamber that it won't end up directly sucking in molten metal. Would it be safe for me and the pump? I just want to eliminate as much porosity as possible from my castings.

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