[Jewelry making - Article 00357] - [Orchid] Rust Removal

[wicki]

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    The archives contains an item by David Huffman on rust removal. It
    is a very simple approach to cleaning up some neglected tools which
    have become rusty. The process involves a sort of reverse plating
    that turns rust into a black powder coating. 

    My question now is: What exactly is the black coating and how can it
    be removed? Some can be wire brushed off, but not all. I tried a
    quick dip in nitric acid which removed some, but it is a pretty
    drastic approach. It would be nice to end up with bright metal and
    no residue. Any suggestions? 

Herb McQuarrie

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