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Old 11-07-2012, 11:55 PM   #1
W4RP1G
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How to fix pinholing/fisheye in nitro finish?

I looked in the finishing thread, but I didn't see anything and I need an answer quick!

I went too heavy with the nitro on my current build and I've developed some pinholes and fisheye. Can i solve this by sanding back a bit to open up the bubbles and spraying more lacquer? I'm already planning to sand it as it is since I have a run, but I'm just trying to find out how far I need to sand.
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Old 11-08-2012, 12:39 AM   #2
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If this is the clear coat, you're going to have to sand it all the way back to be level.
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Old 11-08-2012, 03:21 AM   #3
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Are you saying that I have to sand the pinholes completely out?
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Old 11-08-2012, 06:44 AM   #4
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Quote:
Originally Posted by W4RP1G
Are you saying that I have to sand the pinholes completely out?


You can try filling them by doing a very heavy coat, however the odds of runs are very high.

More then likely, you'll just have to sand back until you have a level surface again.


What are you using to spray the nitro? You might have moisture mixing with the lacquer or contamination from an oil or something on the surface you're spraying.

Last edited by earthwormjim : 11-08-2012 at 06:47 AM.
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Old 11-08-2012, 07:16 AM   #5
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What kind of lacquer is it? If it is 100% burn in, you can either drop fill or just level it a bit and spray again. Might take 1 or to cycles of that.
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Old 11-08-2012, 01:14 PM   #6
W4RP1G
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It's Gemini Nitrocellulose lacquer. I think what I'm going to do is level the runs and then drop fill whatever pinholes are left. Then I will spray a few more coats and hope for the best. Thanks guys, wish me luck!
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Old 11-10-2012, 08:57 AM   #7
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If it is normal nitro then all subsequent clear coats burn into the previous coat, so there is no point level sanding until you have done all the coats you need to do.
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Old 11-11-2012, 07:11 PM   #8
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Curious...as I've had (even the smallest of) dust motes cause fish-eyes in nitro on furniture.
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