Help with paint prep, Need help with Ospho use |
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Help with paint prep, Need help with Ospho use |
sixaddict |
Oct 5 2021, 08:45 PM
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#1
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Senior Member Group: Members Posts: 839 Joined: 22-January 09 From: Panama City Beach, FL Member No.: 9,961 Region Association: South East States |
Have a glass blasted car in for paint. Needed to apply Ospho for surface light rust that developed. We are trying to determine how to neutralize before epoxy primer goes on.
Instructions say brush off dry powder then wipe with mineral spirits. In another section it says to etch wet with Ospho for 30 minutes then wash down with water. That seems risky due to flash rust. Anyone have experience to recommend which way to go. TIA Terry |
nivekdodge |
Oct 6 2021, 08:47 PM
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#2
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Member Group: Members Posts: 261 Joined: 28-August 21 From: Pittsburgh Pa Member No.: 25,860 Region Association: MidAtlantic Region |
This is different, but the same reason why most companies don't recommend soda blasting.
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