WD-40 Specialist Contact Cleaner, features WD-40’s patented Smart Straw technology effectively clearing oil, dirt, flux reside and condensation from sensitive electronics and electrical equipment with precision. Quick drying, it leaves no residue and has been shown to remove more dirt from electrical components than its nearest leading competitor. Safe to use it is the ideal solution for cleaning printed circuit boards, controls, battery terminals, switches, precision instruments and electric panels. Features and Benefits Ideal for cleaning sensitive electronic equipment Smart Straw technology effectively blasts away soiling in hard-to-reach areas Safe to use on electrical equipment, most plastics, rubber and metal Quick drying with no residue for rapid and effective cleaning 50-state VOC compliant NSF Category K2 (#146857)Typical Applications Electronics MetalworkNotes Follow equipment manufacturer’s instructions for cleaning, test on plastic before using, and avoid adhesives, device screens, and keyboards.Warning This product contains a flammable propellant.