ChrisBcritter Posted April 1, 2020 Share Posted April 1, 2020 I'm trying to get a dirty grey/brown wash over flat black lacquer. I thinned Testor's acrylic weathering colors down about 4:1 with their Aztek universal thinner and airbrushed it on a scrap part that had been sprayed flat black. Ta-da! Beaded up like crazy. Tried adding a little rubbing alcohol and... beaded up again. Any suggestions? Normally I'd brush the stuff on but I don't want brush strokes. Thanks for any help you can suggest! Quote Link to comment Share on other sites More sharing options...
Snake45 Posted April 1, 2020 Share Posted April 1, 2020 What I like for what you're doing is to start with bottled Testor Dullcote, then add just a little tan and a little medium gray. Thin with lacquer thinner. Airbrush from about a foot out. When you get where you think you need just one more coat, STOP. Let it dry, take a look and see if you want any more. You probably won't. This makes a very convincing and EASY under-chassis weathering. I realize you're trying to do this with acrylics, but I have no experience with them. If you can airbrush lacquer, this will work for you. Quote Link to comment Share on other sites More sharing options...
dmthamade Posted April 1, 2020 Share Posted April 1, 2020 try adding a drop of dishwashing soap, breaks the surface tension of the wash. HTH don Quote Link to comment Share on other sites More sharing options...
bisc63 Posted April 1, 2020 Share Posted April 1, 2020 Washes tend to work better over glossy, smooth finishes. I'd seal with a gloss coat, wash, and then dull coat. Quote Link to comment Share on other sites More sharing options...
ChrisBcritter Posted April 1, 2020 Author Share Posted April 1, 2020 Took another whack at it a while ago. This time thinned it about 2:1 with a small drop of dishwashing liquid. Success! Nice subtle dirty effect and no beading. Thanks for the suggestions! Quote Link to comment Share on other sites More sharing options...
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