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Messed up a lacquer spray job
http://www-.luthiersforum.com/forum/viewtopic.php?f=10101&t=45883
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Author:  dcos [ Sun Jun 14, 2015 7:49 pm ]
Post subject:  Messed up a lacquer spray job

I sprayed a clear coat on my guitar body when it was very humid, thinking it would just take longer to dry, but the lacquer clouded up on me. It was from an aerosol can. Anyone know if there's a fix, or am I out of luck.

Author:  Chris Pile [ Sun Jun 14, 2015 7:52 pm ]
Post subject:  Re: Messed up a lacquer spray job

Mist it with some blush eraser, or some thinner.... sometimes it works.
Otherwise..... sand it back.

Author:  JasonMoe [ Sun Jun 14, 2015 7:54 pm ]
Post subject:  Re: Messed up a lacquer spray job

Sometimes a hair dryer with light heat, or just time, wait it out, it will clear up.

Author:  guitarjtb [ Sun Jun 14, 2015 9:02 pm ]
Post subject:  Re: Messed up a lacquer spray job

Not a problem. It will clear up when you spray your next coat. That is assuming that the next coat is not sprayed when it is too humid. lf you are not planning to spray another coat, then blush eraser will do it, as suggested above. No need to sand.

James

Author:  dcos [ Mon Jun 15, 2015 10:05 am ]
Post subject:  Re: Messed up a lacquer spray job

Thanks for the info, good to know it's not ruined. I have several more coats to go and I learned my lesson about not spraying in humidity.

Author:  mcgr40 [ Mon Jun 15, 2015 11:59 am ]
Post subject:  Re: Messed up a lacquer spray job

just the cooling effect of solvent evaporating in too humid an environment. A slower evaporating lacquer thinner would usually allow you to spray in a bit of a humid environment, alright for autos when lacquer was used(man I'm old), but probably never okay for guitars, since we don't want to think about miniscule amounts of water condensing on our wood.

Author:  dcos [ Wed Jun 17, 2015 10:11 am ]
Post subject:  Re: Messed up a lacquer spray job

The cloudiness did go away when I sprayed another coat. What a relief!

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