 Cookie Cutter Powder Coating Prep, Phosphoric acid - yes or no? |
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| TonyAKAVW |
 Apr 12 2007, 01:09 PM
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#1
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That's my ride.  Group: Members Posts: 2,151 Joined: 17-January 03 From: Redondo Beach, CA Member No.: 166 Region Association: None  |
Thanks to Kapt. Kaos I now have a very nicely bead blasted pair of cookie cutters. I bought some matte black powder from Columbia coatings and ont he package it says to treat surfaces first with iron phosphate.
So, should I give ths wheels a spray down with phosophoric acid then hose them off, or should I just wipe them off and powder coat? -Tony |
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| John |
Apr 12 2007, 01:19 PM
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member? what's a member? Group: Members Posts: 3,393 Joined: 30-January 04 From: Evansville, IN (SIRPCA) Member No.: 1,615 Region Association: None |
If they were steel, I would agree, but being an aluminum alloy, I am unsure. If they are freshly blasted and free from dirt (from blasting), I don't think you should have adhesion problems.
just my $0.02 |
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| McMark |
Apr 12 2007, 01:22 PM
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#3
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
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| scotty b |
Apr 12 2007, 04:12 PM
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#4
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rust free you say ? Group: Members Posts: 16,375 Joined: 7-January 05 From: richmond, Va. Member No.: 3,419 Region Association: None |
Best to heat them up to outgas shortly before coating them as well. No need for the acid.
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