600/1T Valve Life is a tacky, extreme high temperature valve lubricant and sealant, which minimizes friction during the operation of valves. The tacky nature of, and the inhibitors provided by 600/1T Valve Life allows it to adhere to metal assuring protection against rust and corrosion. This economical valve lubricant and sealant is insoluble in water, non-separating, non-melting, and leak resistant. 600/1T Valve Life does not contain soap. It services temperatures up to 500°F (260°C).