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ABinNC Samba Member
Joined: July 28, 2004 Posts: 42 Location: North Carolina USA
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Posted: Wed Feb 01, 2023 4:57 pm Post subject: ospho |
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I have a question about ospho, I used it on a fender and it left dark spots on the metal where it converted the rust, the question is do I need to dig out all of the dark spots or can I prime over it |
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esde Samba Member
Joined: October 20, 2007 Posts: 5927 Location: central rust belt
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Posted: Wed Feb 01, 2023 5:07 pm Post subject: Re: ospho |
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The black is iron phosphate (neutralized rust)
you can prime right over it. _________________ modok wrote:
Bent cranks are silent but gather no moss. I mean, ah, something like that. |
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beetlenut Samba Member
Joined: May 27, 2009 Posts: 2980 Location: RI
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Posted: Wed Feb 01, 2023 6:30 pm Post subject: Re: ospho |
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ABinNC wrote: |
I have a question about ospho, I used it on a fender and it left dark spots on the metal where it converted the rust, the question is do I need to dig out all of the dark spots or can I prime over it |
It's atomic primer. Prime right over it. _________________ scrapyards are for quitters
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Wetstuff wrote: |
... I spend more time shaking it than directing it?! I get a pretty decent blast for 8sec. then have to shake it again. |
- Words to live by right there!
My 74 Super rebuild thread: http://www.thesamba.com/vw/forum/viewtopic.php?p=6507104#6507104 |
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Nacho_74 Samba Member
Joined: March 22, 2018 Posts: 53 Location: Norwalk,California
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Posted: Thu Feb 02, 2023 7:53 am Post subject: Re: ospho |
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OSPHO The only stuff I use other than elbow grease... |
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