I might be a little late to the game on this one. Mineral spirits have always been my go to for cleaning cosmo off metal parts. I have a new makarov and a new tokarev that I am attempting to clean. Went to Home Depot today and couldn't find my any mineral spirits. I asked the guy in the paint dept and he said it is now banned in CA due to the new clean air act. WTF? He then said they were mandated to add kerosene which ultimately makes it more volatile and more flammable. I'm trying to use denatured alcohol hoping it's not as caustic as paint thinner. I just want the cosmo off.
Before anyone tries to tell me to boil water or use some combo of solvents, I'm well versed in the various methods of cosmoline removal. Mineral spirits just happened to be my personal favorite and have had much success with it. I probably should have asked sooner but has anyone else had luck with denatured alcohol on metal parts?
Before anyone tries to tell me to boil water or use some combo of solvents, I'm well versed in the various methods of cosmoline removal. Mineral spirits just happened to be my personal favorite and have had much success with it. I probably should have asked sooner but has anyone else had luck with denatured alcohol on metal parts?


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