RE: [TR] Evaporust

["Randall" <tr3driver@comcast.net>]

> A friend of mine prefers phosphoric acid (the active ingredient in Naval
> Jelly).  It converts iron oxide to iron phosphate.

True enough, and it does so very well.  Problem is, it also converts iron
metal to iron phosphate.  Usually that's not a problem, but I wouldn't use
it someplace like threads, where you're trying to preserve a precision fit
around the rust pits.

Randall


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