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rust removal
Evaporust looks good, thanks for the tip. I've had good results with Restore Rust Remover as well https://www.shieldtechnology.co.uk/restore-rust-remover-500ml-i27.htm. It's the only remover I've used, so I might give Evaporust a go as well for a comparison. As Peter Underwood says on classic lightweights http://www.classiclightweights.co.uk/hintsandtips.html a brass bristled brush is extremely useful, I usually use that after soaking unless I'm being particularly careful with chrome.
I've been using the Restore Pre Clean Degreaser as well, but haven't been that impressed by it. It also contains something that corrodes aluminium, sodium hydroxide or phosphoric acid or something. It does say on the instructions not to use on aluminium, I didn't realise the side plates of Lyotard m23 pedals were alloy until they started fizzing. Anyone got a tip for a good degreaser?
Not sure if anyone else was eyeing the Constrictor toe-clips on ebay, one nos and one rusty, but I kept thinking 'I wonder just how rusty that is'. Anyway both sellers gave me a bit of a discount, so I made a pair. I haven't done much yet except give it an initial soaking in rust remover and gentle clean. Planning on replating.
2 Attachments
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veloham
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I use kerosene for the degreaser and then treat the rust.
Due to the size, I have a Mansfield saddle frame currently having a mild oxalic acid bath. It is pleasantly surprising how it is cleaning up.If they were my toe clips, I would do the clean and derust, then polish. Replating may see the engraving lessened.
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I purchased liquid evaporust after a recommendation from @Big_Block and it is very good.
A couple of before and after photos -
Big_Block
SideshowBob
I use a variety of techniques depending on the parts.
For larger items electrolysis is useful. For a lot of smaller parts, oxalic acid (or any similar acid) will convert the rust.
For a single small part, I get the Evaporust. It is excellent. And then apply polish to seal the component.
https://evaporusteurope.com/
It actually works as good as it is claimed.