Yes, keep the windows open! I use a thing called Décap Four (over cleaner) here in France, but you have to find the traditional version that still has caustic soda in it - the modern, ecological version will not work.
I also just confirmed that it does a great job on old butyrate vac-formed bodies without harming them at all.
Don
I also just confirmed that it does a great job on old butyrate vac-formed bodies without harming them at all.
Don