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GRAIL007

Top Coat Problem

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The funny thing is the majority of the pieces that were top coated didn’t have any issues, just select pieces.  I can’t find a pattern

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Might that part have been oily from handling? Did you see any difference in appearance or sheen while you were airbrushing the clearcoat?

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The top coat was from the can, and no visible difference when it was sprayed.  Probably too “hot” for the underlying paint. My problem is I can’t predict what will be affected. 

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On 3/31/2018 at 8:25 PM, GRAIL007 said:

Any Idea?  

 

Was the base coat allowed to completely dry for at least 24 hours?  Sometimes Gunze Aqueous base color coats remain tacky for several days, based on my own experience.

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That would make sense, as it was over 24-48 hours but not much more.  It was only select areas that were affected, and all pieces were prepped the same way.  I’ll give them a week to dry and see if that helps.  Thanks! 

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On 12/04/2018 at 10:43 PM, GRAIL007 said:

I was using Aqueous for this one

 

This explains a lot. Mr Hobby Super Clear is lacquer based while the Aqueous paint you used is water based. Lacquer based paints are “hotter” than water based ones and will react with them.

 

Best to use a water based clear coat. Mr Hobby has one in a can called Topcoat. 

 

http://www.mr-hobby.com/en/itemDetail.php?iId=266

 

Hope this helps!

 

Mark

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