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> Paint question, Paint gurus please HELP!
VaccaRabite
post Aug 19 2007, 09:49 PM
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Okay.

So today I repainted my trunk panels. When I painted them the first time I got these little voids. I thought that they were solvent pops at first.

Now I am not so sure, cause I got them again when I re-painted.

Symptom:
Small crater in the paint, the largest being 1/32' in diameter, most of them are smaller. They are nearly perfect circles. No paint seems to want to exist there.

When I got them the first time, these were the corrective actions that I took:
1) I sanded out all the imperfections - wet sand, back down to primer with 400 grit paper.
2) re-shot sandable primer (primer seemed to adhere fine)
3) sanded primer with 400 grit paper till baby butt smooth.
4) cleaned with Eastwood Pre (wax and grease remover)
5) gently wiped down with a fresh tack cloth.

The really tiny ones were filled in with a heavy coat of paint, but there is still a tiny, but visible, depression in the paint.

Whatever it is, it seems like it repels the paint. Most of them seem to be on the targa top, but I have a few of them in the front hood and one on one of the headlamp covers.

I'm stumped. What the heck am I dealing with here? Where ever one of these little voids is, you can see clear down to the primer. My best guess is overspray of some sort of oil or lubricant or something, but I did not spray anything but paint since I sanded and cleaned the panels. I'd like to get them fixed.

Zach
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eeyore
post Aug 20 2007, 12:25 AM
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Fish eye preventer is good. Clean with a compatible purpose cleaner (like DX-33?). Some people say its just PPG's way of making money by selling normal laquer thinner for 3x more in a blue and white can. However, I'd take the safe bet, rather that risk sanding out fisheyes.

You can also alter your technique. Before I lay down a full layer of paint, I like to mist on a few quick tack coats and let them dry a bit. The theory being that all those little spots serve as little anchors to counteract the surface tension in the paint.
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