I found oven cleaner didn’t touch the hard anodising I tried removing. On advice from an anodising company that also do removal I ended up using a strong caustic soda and water mix. Worked a treat. Just observe the safety warnings on the bottle. It’s nasty stuff.Posted 4 years ago
drain or oven cleaner..
as I learned it`s most important to stop the process as soon as the colour is gone..so the surface is bright and shiny..if exposed too long it gets dull and (depending of the ali ) rough…
and for a new colour..Posted 4 years ago
Caustic soda is the one. Be blumming careful though. Firstly, it’s seriously dangerous. The fumes which it gives off are intense and if it spashes on your skin it will burn. Secondly, it actually eats away at the aluminium and too long of an exposure to the item will dissolve it, especially a particularly soft aluminium.Posted 4 years ago
It does work well if done right.Hob NobMember
Anyone care to shed some light on exact concentrations used, and time submersed to remove ano from middleburn cranks? Be good to see photos too so I know exactly what I’m letting myself in for!
Because i’m feeling nice…
It was about 5 minutes all in – quantity of caustic soda? Not sure, enough to get them fizzing gently!
Finished article before polishing:
My only tips would be don’t be afraid to lob more in if it’s taking ages, and have a soft wire brush as there will be a couple of stubborn bits 🙂Posted 4 years ago
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