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Larry - found this
I found this on a site called The War Store, it's maybe helpful. Here it is: "The water based formula of Vallejo Model Color has been specifically developed for adherence on difficult surfaces such as metal and plastic, but the product is non toxic, non flammable, and does not give off noxious fumes. Errors can be corrected immediately with water or alcohol. Model Color paints dry quickly to a matte, even and waterproof finish. Exact drying time depends on the temperature and humidity of the environment, on the surface which has been painted, and on the thickness of the paint layer - although the colors are dry to the touch within minutes, the water content keeps on evaporating, and the paint does not acquire its true permanence until several weeks after application."
I think the last sentence says it all.
I've had the odd bit of chipping, and Vallejo doesn't like masking tape as it sometimes peels off with the paint. I've never had it rub off as badly as you describe.
I wish I could help more, but don't have any more ideas.
I'm in North Texas. Temps in high 90s -low 100s (35 - 40C). Humidity ~ 50%. Example of the issues: I painted a 50 cal. ammo can, let it dry several hours, picked it up and glued it on the model. Paint rubbed off all the edges. Primer is still there. Total handling time, less than two minutes. My paint options here are limited. Local hobby shops are very limited. Squadron has Tamiya and Vallejo. I miss Polly Scale and Floquil ( I know, not an acrylic, but sure did work well).
Thanks for comments. I'll keep trying, but so far not impressed. How long do the Vallejo paints take to cure? Hours? Day? Weeks?
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