The Dow Corning Molykote 111 sealant has excellent water resistance and wide temperature range. Contained in a 5.3 oz tube, it has high dielectric strength, good chemical stability and thermal oxidation, and low volatility. It can be used as a lubricant for plastic or rubber O-rings, faucet valves, aircraft ignition and electronic systems, and vacuum systems, or as a sealant for pressure and vacuum systems.