using phosphoric acid and primer

Posted by 1951G on April 05, 2006 at 07:47:45 from (199.82.243.71):

I sandblasted my parts for my JD H last week. Then yesterday, I sprayed some phosphoric acid to kill any rust in pits in casting and also to prevent anymore from appearing. Then following the instructions on the bottle, I rinsed the pieces off after letting it sit for about 4 hours. Then I was ready to prime using the sherwin williams gray primer. Before I started laying down this primer I noticed I've got a lot of rust reappearing on the parts. I went ahead and primed the pieces but noticed this morning some of the primer is peeling off. Can I go back and use a wire brush to remove the areas where it's peeling and reapply the rust converter and spray directly over it without rinsing it off? I really don't want to go back and sandblast but don't want the paint job to haunt me either. Sorry for long post but I wanted to cover everything I'd done so far.

Replies:

• Re: using phosphoric acid and primer Brad_bb 12:17:01 04/24/06 (0)
• Re: using phosphoric acid and primer B-maniac 18:46:16 04/07/06 (1)
  • Re: using phosphoric acid and primer CNKS 14:29:16 04/08/06 (0)
• Re: using phosphoric acid and primer CNKS 09:49:07 04/05/06 (2)
  • Re: using phosphoric acid and primer MI-Bill 13:23:56 04/06/06 (1)
    • Re: using phosphoric acid and primer CNKS 14:40:39 04/06/06 (0)

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