Krytox lubricants were initially developed by Chemours in the early 1960s specifically for the precise and demanding lubrication needs of the aerospace industry. Krytox synthetic lubricants have since replaced hundreds of special-formula, hydrocarbon-based oils and greases throughout the aerospace and aviation industries, thanks to a long list of superior performance characteristics and certifications.

• Suborbital, orbital and deep space flight – require ironclad reliability and lifetime lubrication for critical components that must operate flawlessly in high vacuum and extreme temperatures, as well as endure exposure to fuels, oxidizers and radiation.
• Commercial, corporate and military aviation – demands safety, reliability and compliance with a wide range of precise military specifications, as well as reduced maintenance requirements.

Krytox aerospace greases are available in grades conforming to/applicable under:

• MIL PRF-27617
• CAGE Code No. 50JY2 (manufacturing)
• CAGE Code No. 43S57 (business)
• FSN, NSN #9150-01-008-0498
• NATO #G-398

Krytox perfluoropolyether- (PFPE-) based oils and greases provide a remarkable list of properties for aerospace applications, including:

• Unaffected lubricity and viscosity within a wide temperature range: -70 °C to 399 °C (-100°F  to 750 °F)
• Stable physical properties over time – Krytox lubricants are virtually unaffected by harsh environments like shock, vibration, heat, pressure and caustic chemicals such as rocket fuels and oxidizers, as well as being radiation resistant
• Resistance to vapor loss in a vacuum, such as during high altitude, orbit or deep space flight
• Excellent friction-reduction characteristics provide long wear and low energy consumption
• Compatible for use with most metals, elastomers, plastics, paints and finishes
• Nontoxic, non-flammable, inert and non-evaporative
• Krytox 240AB and 240AC greases are NSF H1-certified for incidental food contact in food processing areas, such as commercial airline galleys
• World-class technical consultation tailored to the needs of the aerospace community

In certain applications such as fan motors, Krytox grease can even provide Lubed-For-Life performance, eliminating the potential for failure due to lubrication over the lifetime of the part.  This means there is a no longer a need for re-lubrication, which increases the time between servicing as well as decreasing downtime and overall costs.  These applications include:

• Auxiliary drive spine shafts
• Electric Fan Motors
• Control Valves

Additional aerospace lubricant applications include:

• Bearings – all types, including high-speed bearings, synchronous motor bearings in gyroscopes, thrust & vector control bearings
• Seals – valves and pumps
• Lubricants for space suits
• O-rings – sealants, lubricants
• Oxygen breathing systems for vehicle and space suit valve and pump packing seals, mechanical seals and connectors
• Rocket engine assemblies:  liquid-fueled turbines, gimbals, pumps, reduction gears, valves with fuel/oxidizer exposure, threaded fasteners and metal connectors
• Valve and thread lubricant for aggressive systems
• Wing flap actuator
• Traction motors on lunar rover
• Assembly fluid and mobile magnetic barrier fluid to separate oil and water
• Specific government MIL Spec applications

>> Learn more about Aerospace Grade Oils and Greases

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