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What happened here?

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  • Member since
    March, 2017
What happened here?
Posted by FredW on Wednesday, April 05, 2017 1:30 PM

Well I am working on my first model, ok maybe not mt actual first but first since I was 5.  I used Tamiya paint and clear and I have some bleed after letting the base sit for over 5 days.  Any ideas why this happened, what I can do differently? Here are a few pictures.

Line is pretty clean here (pre-clear)

 

Here is a shot after I put clear on you can see the blue line bled. You can also see around the pins the color has changed guessing I didn't put enough coats of base?  The pastic was molded in red.

Fred W

Oxford, MI

  • Member since
    December, 2003
  • From: Nova Scotia
Posted by Bainford on Wednesday, April 05, 2017 4:54 PM

Welcome to the forum, Fred.

So, are you saying that the line was sharp before you applied the clear?

Just to get a bit more info; are you using Tamiya acrylic in the bottles or lacquer in the spray can?

Either way, it may be a case of applying the clear to heavy from the start of application. For most paints and clears, it is much better to start off by lightly misting a coat or two of paint (or clear). Let it set up a couple minutes then another light coat. You should have good coverage by that time. If you need to apply another light coat and let that flash off a bit, and then apply your wet coat.

I can't be sure that this will solve your problem, but it's all I can think of. I'm not an expert painter so others may have better advice.

God luck.

Power matters in the straights.
Lightness matters everywhere. - Colin Chapman

Trevor

  • Member since
    March, 2017
Posted by FredW on Wednesday, April 05, 2017 6:48 PM

Thanks for the reply, I used spray cans.  I might have put the clear on to heavy.  Every mistake is a learning experience.  :)

Fred W

Oxford, MI

  • Member since
    April, 2017
Posted by FoxThre3 on Tuesday, April 18, 2017 2:19 PM

What kind of clear did you use?  If you used testors lacquer clears over spray paint, then you have a conflict of similar materials colliding with one another.  A general rule of thumb is that you want to use a different material for your clear than you would use for your paints, ie: Enamel paints - acrylic clear  /  acrylic paints - lacquer clear.  The reason behind this is that you should be occasionally "saving your work" by adding a clear coat to seal in your subsequent work so that if something happens, you'll be able to wipe away some mistakes without trashing lower paint layers. 

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