Painting On Ultracote - RCCanada - Canada Radio Controlled Hobby Forum
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Old 03-16-2003, 09:47 PM   #1
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Painting On Ultracote

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I wanted to know if painting on ultracote results in a durable surface.
Does the paint 'chip off' after a while?
What paint is best for this application?
Do you have to do anything to the ultracote to get the paint to stick?
Does the paint look as good as ultracote trim?

Thank you in advance,

Lower! Harder! Faster! Inverted!
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Old 05-24-2003, 08:42 AM   #2
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painting on ultracote

Haven't painted on ultracoat, but have done so on clear monokote. Tried it on my sport scale unionville otter as an experiment. Didn't look real bad, for an amatuer (my first attempt at this ). The covering has to be scuffed up with very fine grit sandpaper, such as 320 and up. Go very lite because it is easy to cut through the film. Same goes for sanding the primer coat (used 600 wet).
Found that the finish (in my case) didn't stand up real well to even small dings. If you want to check out the initial results, you can do so in the user album on p3 of the gallery.
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Old 05-24-2003, 09:04 AM   #3
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I have done it a couple of times using Pactra Formula U, and Goldberg Ultra paint. The results were mixed.... Here is my first try The paint did chip a little, but in this case, it improved the looks.

If (when) the ultracote sags from the heat of the sun, it is difficult to shrink it back. It behaves like a different material....

Give it a test try on something that is not too imprortant, before commiting yourself

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Old 05-24-2003, 05:05 PM   #4
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We paint all of our planes cowls, wheel pants and hatches,

The hatches are covered before painting. I cover mine with Ultracote, my buddy covers his with MonoKote.

We have been doing this since 1997.

All of the planes on my front page at have been covered with Ultracote on the hatch / canopy, then painted with PPG urethane car paint ( mixed at the car shop suppliers)

Just be sure you degrease the covering before painting ( with the proper thinners for your paint) Do not buff the covering with anything or you will scratch the plastic covering and get whiskers in your paint job!!

Bob Hudson, MAAC 9709L
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Old 05-25-2003, 11:14 AM   #5
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I just wanted to say thank you to you for all your responses.
I'll cover a test piece and paint it as suggested in order to get familiar with it's 'new properties' as suggested.

Thanks again Gentlemen!
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Old 05-26-2003, 08:05 AM   #6
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Painting Ultracote

Try the most recent issue of MAN there is a article in there about painting plastic covering (monocote) with lustercote and Rustolum and it turned out pretty good. The guy repainted an arf I think it's the June issue?

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Old 06-03-2003, 12:16 PM   #7
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Don't use Krylon Pasti-Color or whatever its called. I used it on my extra 300 and the fuel eats it like mad. I don't think I would paint over monokote/ultracote again, just because I don't think it would have the durability of just using more covering to make a trim scheme. Just my 2 cents though...
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