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 |
rhodyguy |
Oct 6 2021, 09:08 AM
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#2
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,188 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
Mar Hyde is a good alternative to Ospho for rust conversion. Most auto body supply outfits carry it. Or did. More exspensive tho. Clean and dampen surface with water, paint the surface with the MH, paint again, and finish as required.
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