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Humbrol Clear Varnish question

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  • Member since
    July 2004
  • From: Sonora Desert
Humbrol Clear Varnish question
Posted by stikpusher on Friday, December 26, 2008 2:16 AM
A few days ago I did some airbrushing of Humbrol Matte and Satin clear varnishes on two seperate items. This was my first time using these two products for topcoats. Humidity was low and temps were in the mid 60s. In both cases I thinned heavily (roughly 3 parts thinner to 1 part clear) with Testors MM airbrush thinner (with which I have always had excellent results with Humbrol enamel paints). In both cases I got "frosting" along panel lines, etc when the top coat dried and cured. I can probably cover the frosting with heavy washes/weathering so I am gonna work in that direction to cover the results... but. Needless to say I am quite unhappy. Has anyone here used these products and had similar results? Did I thin them too much?

 

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  • Member since
    August 2008
Posted by Voidses on Friday, December 26, 2008 4:58 AM

Hi there! 

I have used Humbrol Satin and matte with similar result. It has occured when thinning alot and when thinning little. But it occures more frequently after I moved to a ''dryer'' house, I would think humidity is the one to blame. I have succsessfully removed frosting using fine grit sandpaper and/or some sort of polishing coumpound, No need to go ''astray'' 

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