Glycerine is a carbohydrate, not an oil.? I believe it is in a group of what are called "sugar alcohols".? It is completely soluble in water.? Google it!?? Google probably has a more succinct explanation than this
wobbly bodied, shaking hands, poor visioned, S-Scale, model building microbiologist can provide... ?.
BTW, I sent a private note to Mike S.? I would hardly call his Frisco model "just another boxcar" - really nice work Mike!
I jest Mike, but isn't glycerine an oil? Is it water soluble?
I also watched a YouTube video that recommended using windshield washer fluid. Took me a couple of hours to disassemble the airbrush and clean out the solidified acrylic...but I'm still having fun.
