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Car Modeling Share your passion for car modeling here! Includes sub-forum for "in progress" and "completed" vehicles. |
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#1 | |
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Join Date: Sep 2007
Location: Midwest, Indiana
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My decals have bubbles on them
I've never been a big fan of decaling, probably because I'm just not good at it! I bought the microset/sol combo and used them as the directions told me. I also did an extensive search on the forum for reasons that cause bubbling.
They look like little blisters under the clear, not the typical caverns of fish-eyes, yeah, i've gotten those too ![]() great learning experience as to what NOT to do! but these bubbles have me stumped! I decanted some Tamiya spray, shot the car, wet sanded with micromesh, decaled it (microset/sol), wiped it down with rubbing alcohol to make sure there was no silicone so I wouldn't get fish-eyes, dehydrated it to make sure the decals were dry, then shot it with two part automotive clear! BUBBLES ![]() What a pain in the ass! whatcha thinkin'? anyone know what I did wrong? |
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#2 | |
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Re: My decals have bubbles on them
Let's see some pics!
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#3 | |
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Re: My decals have bubbles on them
here are the best shots i could get
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#4 | |
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Re: My decals have bubbles on them
Looks like "solvent pop" where some solvents that had not yet evaporated from the underlying coats got trapped under the decals and/or the clear. It's not unlike seeing a 1:1 car that has the same sort of "pimples" on the surface. That happens when someone polishes out and then waxes the paint before it's fully cured. The wax traps the natural evaporation of the solvents, so the gas can't escape, and causes the spots.
Clearcoating over decals is always a risky endeavor. I generally prefer to put decals over polished clear, and then I lightly polish the decals-if they're applied properly they'll be able to handle polishing w/hobby products. Or I make sure the paint is fully cured, the decals are fully cured, before applying clear over them. While the paint is porous enough for the solvents to escape, your decals probably weren't porous and trapped solvents; perhaps a chemical reaction of the clear w/the decals may have also caused it.
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#5 | ||
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Join Date: Mar 2002
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Re: My decals have bubbles on them
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Chuck
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#6 | |
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Re: My decals have bubbles on them
Nah, her's are just airbrushed out, I'm sure....
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#7 | |
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Re: My decals have bubbles on them
Hmmmm. . . Aztec, Iwata or Badger? . . .
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Chuck
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#8 | |
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Re: My decals have bubbles on them
Don't know, but it looks like fun, doesn't it?
![]() ![]() Let's airbrush out that bikini!
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#9 | ||
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Re: My decals have bubbles on them
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Hmmmm. . . okay. . . but does anyone know where I can get after market Marlboro decals? ![]() ![]()
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#10 | |
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Re: My decals have bubbles on them
That is a puzzle, Sixx.
It's a strange reaction, and the only strange thing in the mix is the urethane, so I gotta think it's the urethane. I'd go with ZoomZoom; it looks like the urethane is reacting to the decal. (I've never heard of that, but there are lots of things I've never heard of. I've seen clear lacquer react to decals, but not quite like that.) I'm a little skeptical about wiping a car down with rubbing alcohol before painting, since RA contains small amounts of some pretty strange ingredients. But it dries so fast that I doubt it's the cause of this, especially since only the decals are a problem. Two-part urethane clear is a bee-itch to remove; that's the main reason I use clear lacquer now. Guess the only solution at this point is to try to sand it down just to the decal, use black paint to repair the inevitable scratches, and recoat. Hope it turns out okay; please keep us informed. DDms |
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#11 | ||
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Re: My decals have bubbles on them
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Ddms |
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#12 | |
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Re: My decals have bubbles on them
You probably didn´t anything wrong. The same thing happened on my roof of my BMW M1 Map de France. In my eyes ZoomZoom is right. From my experience - I leave decals on for a week untouched. Afterwards I put a nother layer of Microsol on and then use a hairdryer to get them really onto the body. But all of this preparation doesn´t work, if you have bad luck with the clear you are using. Especially TS-13 is known for causing major troubles. If you decide to apply clear over decals, make sure to just use misty and fine coats. Try to achieve the shine with a decent polishing job!
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#13 | ||
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Re: My decals have bubbles on them
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Guideline for happy modeling: Practice on scrap. Always try something new. Less is more. "I have a plan so cunning, you could put a tail on it and call it a weasel" - Edmund Blackadder |
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