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Rusty Ka-Bar type knife... what to do

This is a discussion on Rusty Ka-Bar type knife... what to do within the Edged Weapons forums, part of the Gun Forum category; As noted by others - there are a variety of things out there to deal with rust removal. Removing rust is easy - keeping new ...


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Old May 2nd, 2016, 04:21 AM   #46
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As noted by others - there are a variety of things out there to deal with rust removal. Removing rust is easy - keeping new rust form forming is the trick. Things like vinegar CLR work well in removing rust - but then what?? First understand what is rust. Rust is "oxidized metal" - and "oxidization" requires oxygen to form. So the trick to preventing new rust is to "seal the metal" so as to prevent oxygen from creating new oxidation.

Back in the 1970's a product hit the shelves called NuFinish. It was touted in TV commercials as "the once a year car polish". Unlike oils and waxes which can dry out and crack - thus allowing oxygen to reach the metal which means you constantly have to re-apply them - NuFinish is not a wax. It is polymer sealers in a ceramic micro-bead paste. The sealers seal off the metal surface while the ceramic micro-beads form a coat which protects the surface from abrasion. I have a stainless Gerber Mark II knife from the 1980's. It's blade had begun to rust. I tried various things and oils - yet inevitably rust would re-form on the blade in time. I finally decided to try NuFinish last year and put 2 coats on the blade. It has been rust free ever since. I also apply it to firearms which may have small patches of surface rust forming from things like holster wear etc.. I clean the area of rust and re-treat the area with Perma Blue. I then use a Q-tip to coat the spot with NuFinish. It comes in liquid or cans of paste - I use the paste - which can be found at Wally World and other stores.

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Old May 2nd, 2016, 05:00 AM   #47
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You really should not have a problem with rusting if you keep it oiled (or whatever you use).

Submerging the leather handle is something I forgot that I did. It is a good way to get to where you can't.


Last edited by High Voltage; May 2nd, 2016 at 05:11 AM.
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Old May 2nd, 2016, 08:20 AM   #48
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Hit it w/ some cleaner, CLP will work, then rub it w/ fine steel wool

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