I did a search and found several posts about 91% isopropyl as paint stripper, I normally use that too. Problem is all I can find is 70%, wiil this work - over a longer period or as some make up for what is always lost of the 91% I have left?
Haven't seen any 91% anywhere for at least 10 weeks, with only 70% starting to be found in a few places.
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The difference is water content I'm pretty sure; so I think more exposure time is a good bet.
Another alternative kinda better suited to small jobs because of stench; is that old aftershave or cologne you've had kicking around for a decade or two.
Mitch M. uses 'Lectric Shave so I tried Old Spice and Avon (Backwoods I think)
Both did the job well. There is some very minor degloss of plastic fyi. Hardly noticable really.
But if you are doing a full respray vs just removal, that is actually beneficial to adhesion of paint to degloss. You might even skip sanding if the degloss is good enough.
Everclear liquor is an idea, but untested as far as I know. (it's not iso. 
)
A Tide detegent and water overnite soak was an "old school" method for diecast loco cabs. Advantage was NO odors or risk of fire as with alcohols or worse, acetone!
This is for current plastic. Never had to much luck with washing powder on the new items. Acetone is definitely out.
Castrol Purple degreaser. The plastic model folk use that sometimes. It softens plastic some, but it is temporary. Just don't get mid evil on it and wipe out detail. Not real easy to wipe it out ,modelers do like good detail
You will need a stiff toothbrush or black bristle "wire brush" for corners.
Overnight soak might be needed.
I have found that if you use the purple simple green solution....you can get fantastic results.....now this will not strip original molded color off....what I do is usually just put in a amount that covers the bottom of my 5 gallon bucket...fill it with about 2 to 3 gallons of hot water.....put in my items I want to clean and let them soak for several hours.....now any decals and paint that is going to come off will indeed be removed....I use a firm toothbrush and go over the parts...you’ll have a very clean result....then I rinse off with liquid soap and warm water....Don’t use a wire brush...it will leave scratches in your plastic....you may repeat this process several times if plastic still needs cleaned.....I have painted my parts after doing this and they come out great.... this method is more for cleaning / light stripping of plastic and removing decals and you’ll have a very clean plastic surface......
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