Before revision: Perchloroethylene (known in the industry as "perc") is the most commonly used solvent, although alternative solvents such as 1-bromopropane, hydrocarbons, and supercritical are also used.
After revision: Perchloroethylene (known in the industry as "perc") is the most commonly used solvent, although alternative solvents such as hydrocarbons, and supercritical are also used.