The 1632-16S is a Contact Cleaner removes oxidation, oil and other contaminants off of contacts, metal switches, motors, relay generators, edge connectors, buss bars, circuit breaker, scales and sensors. Contact cleaners are used in the electric maintenance and to repair faulty contacts by removing insultive contamination. Patented non-flammable contact cleaner formulated to be powerful. Eliminate brushing and scrubbing, saving time and materials. It is in the form clear colorless liquid with faint ethereal odor.