Is it required/recommended to color sand with 400/600 prior to applying polyurethane clear coat for a guitar body?

Here's one that just needs to get put together that's coming out really cool. Roth Skidmark Black base > Surfite silver Flake > Beaver Brown candy. I didn't do the best job grain sealing and it sunk pretty good (mahogany body) so I'm not gonna bother with cut and buff. Wraptail P90 Tele on the way!

I had a guy at work weld up these body jigs for me, I actually just use a bike repair stand and can rotate and spin the body any way needed, works perfect.


Root beer 2.jpeg
Root beer 1.jpeg
 
glpg80 said:
What do you mean miss the time window?
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At least with the Roth and Tropical Glitz paints you need to get the clear coat applied usually within an hour of your last color coat so that its gassing off at the same rate, it also really makes a difference in whether or not your going to end up with orange peel due to shrink back. If you wait a day you will need to hit it with some 800 or so to scuff it to have a better surface bond for the clear. The other big consideration though is the color - solids are usually no big deal to level out before clear if you decide to wait, but if you're spraying candy or any metal flake you really need some clear coat otherwise you'll burn through it and destroy the candy and the flake. You're basically spraying clear just to sand it back off.
 
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