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Old 09-13-2011, 04:07 PM
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Dare I? Metal Glaze straight to Epoxy Primer?

We did a good amount of body work, layed a few good coats of Transtar 6441 Kwik Prime eurethayne primer on the car, wet sanded it with 400 grit paper, and then metal glazed a few imperfections that we found.

What we'd like to do, is skip the step of reapplying the Kwik Prime and go straight to the epoxy primer/sealer, then paint.

First question: is this a dangerous step to leave out? Should we scuff the metal glaze and surrounding area (if so, with what grit?) and reshoot with Kwik Prime?

Last question: is it OK to have sanded with 400 in prep for the epoxy primer, and what grit should we use to sand the epoxy in prep for the base coat (using PPG MBC base coat)?
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Old 09-13-2011, 07:17 PM
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It would be better to respray those spots with the urethane primer, resand those areas with 400 again then epoxy (seal) then spray your base. What happens most times if you epoxy over the filler areas without repriming you will end up with a halo, that you will see through your base, especially if it is a mettalic. If you spray the epoxy as a sealer, you will not have to sand it before your base. Yes, 400 grit is fine before your epoxy sealer.

Last edited by mr4speed; 09-13-2011 at 07:22 PM.
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Old 09-14-2011, 04:05 AM
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Thanks, Mr4Speed. I'd rather do right - even if it takes a bit more time. Halos are definitely not something I want to see, after all the work that's gone into the car.
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Old 09-18-2011, 07:27 AM
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Timing questions: I'm going to scuff and respray the metal glaze areas today with the transtar Kwik Prime.

1) How long does the Kwik Prime need to cure before I can spray the epoxy primer/sealer?

2) How long does the primer/sealer (Deltron DP48LF) need to cure before I spray the base coat? Is there a maximum amount of time I should work within?
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