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Removing Rust


redmarque

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Found this useful link on another forum.. Rust removal with Vinegar. Results are impressive.

http://www.cookhaus.co.uk/vinegar/index.htm

Not sure how it would work on Aluminium though?

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  • Member Contributer

Found this useful link on another forum.. Rust removal with Vinegar. Results are impressive.

http://www.cookhaus.co.uk/vinegar/index.htm

Not sure how it would work on Aluminium though?

Well that's a new one. I know vinegar and salt combined together will remove tarnish on copper and brass.

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I am impressed.

Thanks for posting that.

.....mentally rifling through the ol' garage for rusted parts in need of cleaning :comp13: :comp13: :comp13:

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Vinegar! Who knew? I'm going to try this. Thanks!

But just always keep in mind that rust never sleeps. Ask Neil if you don't believe me. :comp13:

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Guest russell62

Be careful if you use vinegar on any chrome plated parts though. We use it on our dive gear at work and it will eat the plating off if you leave it in there too long. Not saying you can't put it in, just check on it periodically.

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In the demo the author used Malt Vinegar ...

I wonder if Cider Vinegar or Regular Vinegar will achieve similar results?

Vinegar is basically Acetic Acid in solution, the percentage may influence results.

The demo certainly makes it look like vinegar is an effective rust remover.

A commercial equivelant would be something like Rust-Mort.

It converts the rust into an iron like hard coating using Phosphoric Acid.

Rust-Mort available to Purchase here.

Safety info on a Data Sheet here.

Rust-Mort works well enough, but the vinegar makes the product look like new.

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Barkeepers Friend, in solution will not harm paint. Alone, it peals away any oxidation in a big hurry.

Mac

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Dunno what percentage acid is in cola, but I dare say it would be effective as a rust remover too. Most commercial rust 'neutralisers' are orthophosphoric acid, which is an ingredient in softdrinks. The acid partly removes the ferrous oxide, partly converts it to a phosphate complex, which is more stable than the straight oxide, so it tends to stop the rust progressing.

Aluminum corrosion is a little different; the straight oxide is fairly stable, so it tends to be only one molecule thick on the surface then stops progressing. All you end up with is the aluminum looking a bit dull. However, get some other substances in the mix - like salt - and it can form less stable sulphates, chlorides or whatever.

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