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Thread: Epoxy Primer as Topcoat
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07-12-2023 #1
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Epoxy Primer as Topcoat
I have several coats of PPG Omni MP172 primer on my latest project, a 1931 Chevy rat rod. I like the color and finish of the epoxy as is. Do I have to top coat it or can I just leave the bare epoxy finish? If so will it handle the weather? I'd rather not base coat and clear coat it if I don't have to. The matte black is pretty much what I'm looking to achieve.
Thanks
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07-12-2023 #2
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It's going to fade out over time and will water spot very easy, best bet is to clear with a low gloss clear for easier care.
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07-12-2023 #3
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Zero UV protection in that epoxy. It’s not going to stand up. SPI black epoxy has a lot of UV protection but it will eventually fade.
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07-12-2023 #4
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Also it will stain at the gas filler if you spill some. I would scuff it and the seal it with the correct sealer. Then use a single stage flat or low gloss top coat.
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