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Lube for repelling rust?
Tweet Topic Started: Sep 9 2016, 06:49 PM (84 Views)
Stoo63 Sep 9 2016, 06:49 PM Post #1
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So.....
I steeped my barrel in a tub of vinegar for three days. Came out lovely. Bit of a brushing and youd never think it was 40 years old. BUT... after being dried and left to sit for a little while an fine orange coating appeared all over. Obviously some kinda oxidisation going on......
Repeated the process, same result :-/
Now, as it's the barrel, I can probably dry it off with the blowtorch then give it a spray of engine paint. Problem solved. But if I did want to keep it bare iron, what would be the best thing to treat it with? This applies to lots of bolts and nuts from all over, (forks etc).
There are, of course, dozens of products out there vying for my pound. Silicon-this, non-silicon-that.........
Or do I just rub them over with an oily rag or blob (that's the technical term) of old grease?
Any recommendations, by the way, on barrel paint?
Cheers
Stewart
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chasthor Sep 9 2016, 07:29 PM Post #2
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Simoniz engine enamel.

WD40 perhaps
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Lobo Sep 15 2016, 03:54 AM Post #3
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Google ACF50 (corrosion block)

Apparently designed / used by the American Navy to protect their aircraft - particularly useful on electrics. I'm away from my bikes months on end, and have recently dug deep & bought some (£30 for a litre) - the accolades suggest I won't be disappointed. Safe to use on all areas (inc paint / chrome) but keep away from brakes, controls etc where you need 'friction'. Was easy to apply with the included spray bottle - needing just a wile-over.
Fingers crossed...
Simon
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yellow dx Oct 23 2016, 07:40 AM Post #4
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Stoo63
Sep 9 2016, 06:49 PM
So.....
I steeped my barrel in a tub of vinegar for three days. Came out lovely. Bit of a brushing and youd never think it was 40 years old. BUT... after being dried and left to sit for a little while an fine orange coating appeared all over. Obviously some kinda oxidisation going on......
Repeated the process, same result :-/
Now, as it's the barrel, I can probably dry it off with the blowtorch then give it a spray of engine paint. Problem solved. But if I did want to keep it bare iron, what would be the best thing to treat it with? This applies to lots of bolts and nuts from all over, (forks etc).
There are, of course, dozens of products out there vying for my pound. Silicon-this, non-silicon-that.........
Or do I just rub them over with an oily rag or blob (that's the technical term) of old grease?
Any recommendations, by the way, on barrel paint?
Cheers
Stewart
Stoo,

I now understand what you mean. I've just pickled some rusty parts in white vinegar (much better than coke) but a thin layer of oxidisation returns overnight. Apparently the parts need passivation to prevent this. I'm not a chemist and don't have any of the equipment needed so am looking for the DIY equivalent.

Oil is ok, but will wear off over time, so I have bought some ACF50, I'll let you know if it works.

You mentioned a blow torch, is this an attempt at Bluing? I understand that limited rust protection can be achieved in this way, did you quench? If so, on certain parts there would be concern that the material properties are changed and embrittlement could be a problem.

A couple of ideas for your other rusty bit of steel; after pickling I'm told the parts should be boiled in water for a moment to properly remove the acid. Then maybe temper with a heat gun, finally add something like ACF50 and keep an eye on it. I'll try this approach and let you know.

I'm also told there are some waxes that are good for preventing rust returning.
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