MOLYKOTE High-Vacuum grease features a stiff, non-melting silicone formula that helps to seal and lubricate chemical processing equipment. Suitable for use in a wide range of applications including sealing vacuum and pressure systems, it is also doubles as a lubricant for o-rings in binoculars and telescopes as it prevents fogging of delicate lenses. Features and Benefits Helps to reduce wear in plastic-to-metal and rubber-to-metal contact Low volatility for applications involving chemical processing equipment Excellent resistance to water, chemicals, high and low temperatures Helps prevent fogging of delicate lenses Typical Applications Lubrication Sealing Chemical processing equipment O-rings Vacuum and pressure systems Standards Meets FDA 21 CFR 175.300 and NSF 61