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Media for blasting hubs?

Joe Nardy

Joe Nardy

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Past Site Supporter
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I have a set of hubs I'm planning to use to build a set of spoked wheels. The front appears to be painted while the rear looks to be bare aluminum. I haven't yet decided whether I will paint them or polish them. They both need to be cleaned up before either option. What would be the best media to use for painting? For polishing?

Thanks,
Joe
 
I used spent (used sand) first and then cleaned mine up with baking soda. Course I was painting mine.
 
Joe...I'm hoping to try out that new cabinet this weekend on some M20 parts...
I have both used sand and the walnut shell media....but I don't know for sure which would be best.
The hubs are aluminum, correct?
 
Baatfam said:
Joe...I'm hoping to try out that new cabinet this weekend on some M20 parts...
I have both used sand and the walnut shell media....but I don't know for sure which would be best.
The hubs are aluminum, correct?
Click to expand...

Yes, they are aluminum.
 
Joe,
I just tried some coal slag(boiler slag) and it works real well. About as aggressive as sand but no silica and no dust. You can get it in several grits. I used 40-60 which seemed about right. Itr took my nasty old swingarm down to white metal in a few minutes. If you are painting or powdercoating the aluminum it should be fine but stay away from ploished surfaces with anything but soda IMO. I bought it at Tractor Supply for $7.95/50# bag and you can screen it and reuse 3-4 times. I think Tractor Supply started in the midwest so ther should be a store near you.
Niels
 
If I ever do it to my CB350, I will have my hubs powder coated silver. It's much easier, easier to keep clean, and looks really nice.
 
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