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Krytox™ 240AA Grease
Krytox™ 240AA Grease is an NLGI Grade 2, nonflammable, aerospace-grade PFPE grease with a PTFE thickener. Its base oil viscosity is 35 cSt at 38°C.
Krytox™ 240AA Grease is a pure-white, fluorinated synthetic perfluoropolyether (PFPE) lubricant providing complete nonreactivity and nonflammable performance for applications that demand consistency and reliability. Krytox™ 240AA is a white, buttery grease with all the same properties as the 143 series base oils.
Krytox™ 240AA aerospace grease exhibits best-in-class safety in chemical and oxygen service and delivers extremely long-lasting operational performance compared to conventional mineral oil–based lubricants and aviation greases.
Vapor pressure of base oil: @ 38°C (100°F): 1 x 10 e −4 @ 260°C (500°F): 0.8
Volatility of base oil (wt% loss in 22 hrs): @ 149°C (300°F): 15
Oil separation (wt% loss in 30 hrs): @ 99°C (210°F): 5 @ 204°C (400°F): 20
Pour point of base oil: −50°C (−60°F) Texture: Buttery NLGI Grade: 2 Mechanical stability (ASTM D217, 10,000 and 100,000 strokes): No change Oxidation stability @ 99°C (210°F): 0 psig pressure drop after 600 hrs Liquid oxygen impact (ASTM D2512, NASA MSFC 106B): Pass Grease density at 25°C (77°F): 1.91 g/mL Estimated useful range: −51°C to 177°C (−60°F to 350°F)
Primary Chemistry: PFPE (perfluoropolyether)
Features & Benefits
Low-viscosity lubricant (35 cSt @ 38°C) Completely nonflammable High-temperature grease stability Completely nonreactive/inert Precise performance Low outgassing Exceptionally long lasting Low- and high-temperature operation (−60°F to 350°F)
Problems Solved
Bearing or component wear or damage Unsafe or flammable aviation grease chemistries Ineffective grease protection for aerospace applications
Applications
Krytox™ aviation and aerospace greases can reliably be used in a wide range of complex or sensitive applications or where failure could be catastrophic. Krytox™ 240AA Grease has been designed with premium-tier performance and reliability across low and high temperatures.
Krytox™ 240AA can be used in a wide variety of medium-viscosity grease applications, including seals, O-rings, gaskets, low-temperature bearings, and oxygen service.
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Thank you
Thank you for your inquiry and interest in ChemPoint. We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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