An exceptional valve lubricant and sealant, it is the ideal assembly grease for rebuilding sticking plug-type fuel valves. It offers superior resistance to washout by fuels, oils, solvents, and water, as well as chemical resistance, over a service temperature range of -20 to 450F. May be used with any valves, mechanical seals, packings, etc., subject to harsh chemicals and solvents. Shelf life: 60 months.