CIRCUIT-SAFE electrical and electronic contact cleaner is a rapidly evaporating aerosol spray that is specially formulated for removing oil, grease, condensation, dust and other particulate matter from sensitive electronic parts. Its quick-drying formula leaves zero residue behind, and it will not harm most plastics, paints or rubbers. CIRCUIT-SAFE is non-flammable and non-corrosive, and it has a 30,000 Volt Dielectric Strength. It has been tested safe on the following surfaces: Neoprene, Buna, Silicone, Butyl and Natural Rubber, Nylon, Hypalon®, PTFE, PVC, Polyurethane, Polystyrene, Polyethylene, Polypropylene, Epoxy and ABS.