This aerosol electronic component cleaner and wash is an ozone safe formula. It leaves no residue, dries rapidly, and is safe on paint, plastics, and insulation. It is used for the removal of dirt, moisture, dust, flux or oxides from the internal components of electronic and precision equipment such as circuit boards, and the internal components of electronic devices. It extends the life of electronic components. It quickly flushes away grease, oil, dirt, and dust. It’s selective solvent power cleans yet will not attack metals, plastics or elastomers. It contains no chlorinated solvents and no Freon TF. It is a Flammable Aerosol, Category 1.