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Old 09-07-2007, 04:18 PM
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Paint Questions and my plan

Guys can you folks that know OMNI paints can you check me on my plan here and give some advice? Please?

I have an old truck that I am restoring.
I have most of the truck in epoxy primer(MP170) and has been for 3 months. I am ready to paint some of the areas where I am using a urethane one step (MTK AU) and thinking that I can just wet sand that epoxy primer and re-coat it with epoxy. Being this area is pretty smooth I was planning to just shoot the MTK right over that. Will it be OK to shoot that MTK over the epoxy with out sanding and stuff if it does not need it assuming that it has been with in 3 days?
Or... Should I wet sand this with 400, shoot a coat of epoxy then coat with MP282 HB 2k primer, wet sand and then spray with the MTK?

Or... Should I, Wet sand the epoxy, shoot MP282 HB 2k primer, sand and then shoot the MTK?

Sorry for the ramblings... any help would be greatly appreciated.

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Old 09-07-2007, 08:16 PM
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I would probably wetsand the 3 month old epoxy with something around 600 grit or at least do a good job of scuff padding it up. WIpe down the truck with wax and grease remover, blow and tack off, and then spray another coat or two of epoxy on the whole truck. Then you will have fresh epoxy and good chemical adhesion of the paint. Maybe reduce just a tad with your urethane reducer so you can lay it pretty flat, like 10 percent after the 2 parts epoxy and 1 part activator have been mixed, Try to spray it on the best you can so you won't need to sand. Leave it sit overnight and paint the next day or within a few days so your still in the window for the epoxy to spray your urethane on top without needing to sand the epoxy again. If needed the next day you can wetsand the epoxy in any areas if it need be for some reason.

You also said most of the truck is in epoxy, meaning not all, and with spraying epoxy as a sealer over the whole truck, everything will be a same color for you to paint over.
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