sandblasting...

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Old 04-23-05, 05:55 AM
tim_rorer
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sandblasting...

I bought a 10gal pressure pot type sandblaster but I am working out compressor CFM and moisture problems so---I want to clean to wheels on my truck(they're pretty rusty) can I use muratic acid on them? Should I use my drill and a wire wheel first? I am going the paint them so they don't have to be "chroming" perfect but I do want them to look nice!!!

Thanks
Tim
 
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Old 04-23-05, 08:20 AM
Mel66
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i would use the drill and wire wheel
 
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Old 04-23-05, 08:59 AM
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Tim,

Muriatic acid will attack the rust but will leave behind a film that will make the paint not hold.
If you want to use acid it needs to be phosphoric.
Phosphoric will actually leave behind a coating that will improve paint adhesion.
Even if you do use phosphoric you should use a wire wheel, sandpaper or sandblaster to prep the metal and then use the acid to treat any remaining rust.
 
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Old 04-23-05, 09:36 AM
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I have found that sandblasting leaves a pitting on the metal. You can get crushed walnut shells that remove rust but not metal. If your blaster isn't working then the wire wheel and Gregs suggestion are the best. Good luck.
 
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