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Peugeot wheel paint strippingPeugeot rim wheel aluminum
Posted 20 June 2013 - 04:42 AM
Posted 20 June 2013 - 07:21 AM
paint stripper. they have it in rattle can and it works well on most paint. If you can wire wheel the surface first to ensure good penetration of the stripper.
No pun intended
Posted 20 June 2013 - 08:04 AM
Bead/media blaster. So, a sandblaster that uses glass beads/walnut shells/etc. Most any powdercoating shop can do this.
Posted 20 June 2013 - 02:06 PM
I have always used aircraft paint stripper. It is safe on aluminum where as alot of them you can't be too sure.
Posted 20 June 2013 - 11:01 PM
they make media for stripping alluminum that you can use in the blaster, just check into it.
Posted 21 June 2013 - 06:50 AM
I have a set of 1980s Subaru option alloys (UK spec, UK wheels) and it took many coats of paint stripper, many hours of wire brushing followed by lots of time in the blast cabinet to get a nice finish - I think there's no substitute for hard work unless you have a tank you can soak them in. I've seen vids on YouTube where people soak them in a tank of molasses - not sure if that is actual molasses or a slang name for paint stripper!
I think I applied the stripper over 4 times and wire-brushed at each stage. Here in the UK the old-fashioned strong and effective paint stripper is now considered too dangerous to be sold to the public so we have to make do with weak stuff. - anyway it took a long time. It was a cheap way of doing it though.
Posted 21 June 2013 - 09:50 PM
if you use a wire brush use a stainless one. steel can embed itself in the aluminum. not a huge deal overall, but if you can theres no reason to contaminate the aluminum with rustable stuff.
Posted 22 June 2013 - 09:05 AM
thanks for the tip djellum - but it's not been a problem for me in 4 decades of using steel wire brushes on alloy castings! I'm not saying it can't happen but I've never seen it. I suppose if one used a very stiff wire brush on very soft alloy it could happen but one would not choose to do that because of the scratching. But I'm always happy to change my mind so please do post some pics of the problem.
Posted 22 June 2013 - 04:12 PM
its not specifically relevant to wheel cleaning, but the problem is that the aluminum oxide on the surface is harder than the steel, so it wears away at the brush, but the aluminum underneath is softer than the steel, so its worn away from the steel. so while your wirebrushing both items are getting worn away and mixed together (though far less steel is used up and mixed in). the stainless is harder so the aluminum oxide wont erode the brush. were not talking 50/50, or even 90/10, but the oxides will cause some of the steel brush to wear into the softer aluminum.
I dont know if its relevant to wheel cleaning, but if you have to weld aluminum then you can have contamination problems if you don't use a stainless brush.
Posted 27 June 2013 - 08:30 PM
yes, for cleaning prior to welding aluminium I agree - but for just cleaning alluminium, not really relevant; steel is fine - If i was going to weld the wheel there would be a very, very slight risk of minor porosity in the weld but the fact I've bead blasted the surface would be much more worrying than the steel! But point taken.
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