UPPER CUT is a high purity, high dielectric, rapidly evaporating, non-flammable aerosol spray contact and circuit board cleaner. Specially formulated for removing condensation, dust and other particulate matter from sensitive electronic parts. Its quick drying formula will not harm most plastics, paints or rubbers. This solvent system has tested safe on Neoprene, Buna, Silicone, Butyl and Natural Rubber, Nylon, Hypalon®, PTFE, PVC, Polyurethane, Polystyrene, Polyethylene, Polypropylene, Epoxy and ABS. This contact cleaner is great for use on circuit boards, wire terminals, relays, switches, contacts, circuit breakers, tuners, potentiometers and control panels. Evaporates Quickly Leaving No Residue Non-Flammable & Non-Corrosive Safe on Most Plastics 30,000 Volt Dielectric Strength EPA SNAP Approved 12 - 16 oz. cans/case, 14 oz net weight