Everlast 50-400 is a dual-purpose valve lubricant/sealant that meets Mil-G-6032 “Grease Plug Valve, Gasoline & Oil Resistant”. 50-400 is designed for use in plug valves as a sealant and in ball and gate valves as a lubricant. 50-400 is resistant to organic acids, caustic solutions, and is inhibited for use in H2S and/or CO2. This product has excellent dual resistance to water and petroleum products such as gasoline, jet fuel, lubricating oils, and mixtures of these products. 50-400 can be used in a wide variety of applications from the wellhead to product pipelines.