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How do you remove scratches from powder coated wheels, and polish them?

I just bought some wheel that are powder coated. There are some scratches on them and I tried using 2000 grit sand paper and polishing compound and some polish. While I got the scratches out I can't seem to polish it to a shine to blend in with the rest of the wheel.

Is there a better process or what are the best products to use?

Thanks,
Jay
Old 03-02-2009, 05:25 PM
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Powder coat should behave more or less like paint, but it is harder. You'll have to get some good compounds to cut away your 2000 grit micro scratches.

From Wikipedia, "The most common polymers used are polyester, polyester-epoxy (known as hybrid), straight epoxy (Fusion bonded epoxy) and acrylics."

I doubt the wheels are simply acrylic.
Old 03-02-2009, 05:39 PM
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Can you recommend a specific compound/product?
Old 03-02-2009, 05:46 PM
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Anyone?
Old 03-03-2009, 03:52 AM
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Try using a heat gun to see if that will bring the luster back.....Its worth a shot...when the powder is applied it is a flat finish, when it is heated and melted it turns glossy....not sure if you can really polish it back like you can paint. Otherwise you may just have to have it re-coated
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Old 03-03-2009, 04:02 AM
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I'd try some white polishing compound, not rubbing compound. Yet, you might start off with some of the red stuff. You could also try some buffing compound. If you have some metal polish like Blue Magic, try that, too.
Old 03-03-2009, 06:43 AM
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You ain't gonna polish powdercoating. Must have it re-coated to return the gloss.
Old 03-03-2009, 08:30 AM
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Well, I finally figured out a way to polish powder coat. I used 800 then 1500 grit SP to take the scratches out. I then used 3M Ultrafina cutting compound and then finished up with a carnuba wax and the shine came back. I am going to end with a fine mist of clearcoat.

Last edited by redstormcoach; 03-03-2009 at 08:54 AM..
Old 03-03-2009, 08:51 AM
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you might want to rethink the clearcoat....it may react with the basecoat causing you more problems than what you have now....just a thought
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Old 03-03-2009, 09:56 AM
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Don't apply CC over wax!
Old 03-03-2009, 10:27 AM
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Thanks. I was planning on removing the wax if i was going to clear coat. I may just leave it for now. But as stormmaster said, I am not sure what the clear coat will do to the powder coat. Have to do some research on that.

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Originally Posted by milt View Post
Don't apply CC over wax!

Last edited by redstormcoach; 03-03-2009 at 11:06 AM..
Old 03-03-2009, 10:38 AM
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Update: Just got off the phone with a powder coating company and they said that adding clearcoat on top of powdercoat is fine.
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Old 03-03-2009, 11:06 AM
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