I was going to suggest the glue mixture, I think that would work.I was thinking of trying something like that or possibly applying another layer of isopropyl alcohol and glue on top to adhere it. Not sure if it would work but that might be a way to go too.
I have read similar things that dull coat or matte clear coat takes away the effects of the powders and have indeed confirmed it, having just applied powders and clear coat to a structure I’m making.
Might just have to wear the overalls anyways!You are probably fine unless: 1) the powders have metallic content, which might be pulled up and into your locomotive electronics (motor, DCC controllers, etc). See if a nearby hand-held magnet picks them up; or 2)Whether they stick to your fingertips if you touch the ballast when re-railing cars and then rub them on light clothing. They probably wouldn't cause any more trouble there than would dust or dirt...but you might also find yourself doing a lot of laundry. In which case: wear dark clothing when running trains. Perhaps railroader's overalls....
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