Pow-R-Wash PR is a plastics safe contact cleaner that removes oxides and other soils on de-energized equipment. Engineered with very low surface tension, this high pressure aerosol formulation flushes areas clean and evaporates instantly leaving no residue. Contact cleaners restore electrical continuity to all electronic and electrical contacts by penetrating and removing insulating oil & grease, conductive carbon soil, and isolative oxides from contact surfaces. - By restoring full circuit continuity, Chemtronics contact cleaners improve the performance of electronic equipment that relies on electrical contacts. Aerosols can be sprayed in any direction, even upside down. Look for the All-Way Spray icon on the can.