A tough, non-hazardous contact clean Kimball Midwest's Circ-Kleen Ultra High Performance Contact Cleaner removes oil, grease, silicone, dirt and grime quickly and efficiently. The advanced 3rd generation non-flammable formula requires less product and is safer for both the environment and the user, as it contains no flash point, CFC's, HCFC's, ozone depleting compounds or hazardous NPB. It is also safe to use on most plastics. Circ-Kleen evaporates completely, without leaving a residue, and is ideal for switches, relays, contact pads, motors and other electrical connections.