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Getting surface bubbles using MM clear enamel.

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  • Member since
    July, 2018
Getting surface bubbles using MM clear enamel.
Posted by JonClark on Tuesday, July 10, 2018 2:51 PM

Hi folks,

I'm new to modeling and airbrushing. I've tried to read as much as possible, but there is nothing like experience that comes with time, trial and error, etc.

I have a Paasche H set that I've used to paint a custom 3D model that has been sanded, primed and finish sanded with 1500. I used MM enamel for the paint and it turned out pretty well with no problems. Driving the H set is a 29gal compressor with a regulator/drain and an inline desiccant trap. The regulator gauge is set to 18 psi, but drops to 15psi when painting. I thinned the MM clear coat with Testors enamel thinner at approximately 50/50... well, probably closer to 55/45 clear to thinner.

It has now come time to apply the clear coat. However, I'm now getting some stray bubbles when test painting a couple of samples that were finished in the same manner as the 3D model. After I finished, it dawned on me that my Paasche booth still had the old paper from the original painting sessions and I guess it's possible that some dust could have been kicked up?

That said, are there any special tricks when it comes to spraying clear vs color?

Thanks in advance!


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