Perc (Virgin Perchloroethylene) 5 Gal. PailPerSec PerSec brand Perchloroethylene is faster and more effective at dissolving grease and oil than methyl siloxane, hydrocarbon or CO2 solvents; meaning shorter cycle times, increased machine productivity, decreased hand labor, and increased profitability. PerSec dries faster and distills easier than alternative cleaning fluids, meaning less energy consumption, and lower utility bills. Only PerSec uses the patented CAREfill closed loop delivery