Originally Posted by
SoSmellyAir
Orange county is regulated by both the state as well as South Coast Air Quality Management District, which does not apply to San Diego, which I visit almost every month (between firm HQ and friends). The MSDS for what you linked has > 80% acetone, > 10% methyl acetate, and < 5% OMS. I have used pure acetone before, which was practically useless against Shimano factory grease, so I am not sure how much better this would work.
There is a solubility parameter (can’t remember the name right now) that describes how the addition of certain solvents to each other changes the insolubility of substances like mineral spirits. I invented a solvent system for wood pulping that uses an insoluble ketone (16%), ethanol or acetone (34%) and water (51%). It is single phase at temperatures up to 180°C and will dissolve lignin out of wood which is difficult to do. This painter’s solvent would work similarly.
By the way, the beauty of the system I invented was that by the addition of a bit of water, I could phase separate the mixture and the lignin…which is water insoluble…would go with the ketone, cleanly separating the lignin from the sugars that come out of the pulping. The lignin was mostly free of sugar which make downstream processing and use of the lignin much easier. I’m not suggesting you do a phase separation with this solvent, however.
The painter’s solvent is cheap enough that it would be worth trying. If it works, great! If it doesn’t work, well, you haven’t lost much.