(12) 16 oz. Cans. A purified cleaning solvent effective on most precision instruments, circuit boards, and internal components of electronic devices. Removes condensation and other contaminants from sophisticated electronic parts. For use on circuit boards, terminals, relays, switches, contacts, circuit breakers, tuners, control panels, motors, and other electronic equipment. Flammable. High Dielectric Strength. No Residue, and fast drying.