Paint bubbles

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Mar 11, 2014 | 10:32 PM

ray3222

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Intermediate

Joined: Mar 2008

Posts: 40

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Paint bubbles

I spray painted a c3 fender after sanding the original paint. The paint developed small bubbles after several months in one small area.
What causes this?
Thanks in advance.

Mar 12, 2014 | 01:29 AM

Korevette

Racer

Joined: Jan 2007

Posts: 427

Likes: 1

Did you by chance do any body repairs/priming before painting?

The reason I ask is possibly the "repair" is "venting" and trying to come through the paint. Certain paints work with certain primers and fillers.

Mar 12, 2014 | 10:05 AM

Easy Mike

Team Owner

Joined: Jun 2000

Posts: 38,923

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From: Southbound

Cruise-In II Veteran

Quote:

Originally Posted by ray3222

I spray painted a c3 fender after sanding the original paint. The paint developed small bubbles after several months in one small area. What causes this?...

Something between the old paint and the new.

Mar 12, 2014 | 10:10 AM

Patro46

Pro

Joined: Nov 2013

Posts: 730

Likes: 37

From: Catoosa Okla

I'd say it didn't have a good sealer coat before paint. Keeps ugly things like pimples from popping up. Can you color sand them and polish it out? Base coat/ Clear coat? At least it's just a fender.

Mar 12, 2014 | 10:33 AM

Roco71

Melting Slicks

Joined: Jul 2009

Posts: 3,264

Likes: 3

From: Vero Beach FL

Quote:

Originally Posted by ray3222

I spray painted a c3 fender after sanding the original paint. The paint developed small bubbles after several months in one small area.
What causes this?
Thanks in advance.

Where is the small area at?

Mar 12, 2014 | 07:39 PM

DUB

Race Director

Joined: Apr 2009

Posts: 19,294

Likes: 2,753

From: Charlotte NC

NUMEROUS things can cause this.

The list is long and has a lot to do with the prep and cleaning before you shot it and the condition of the paint you were shooting on or if it was primed and with what type of primer you used.

DUB

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