Duracoat goes on thick and requires a fair amount of attention to not build up internals too much.
The thickness(and not requiring heat to cure) makes it really good for polymer stocks though.
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Aervoe rings a bell, it’s pretty humid where I am so sounds about right.
A design for an inexpensive curing oven: https://www.youtube.com/watch?v=8vXdWEFz2Q8&t=604s
Duracoat aerosol paint = $70 per can
Hardware store aerosol paint = $5 per can
It shouldn't take a genius to see why one is chosen over the other.