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Krytox™ 240AZ is an NLGI 2, nonflammable, aerospace-grade PFPE grease with PTFE thickener. It has the lowest base oil viscosity of 24.7 cSt at 38°C and meets MIL-PRF-27617 Type I.
Krytox™ 240AZ is white buttery grease made from the 143 series oils, with all the same properties. Krytox™ 240AZ grease is formulated with a high-purity, perfluoropolyether (PFPE) base oil that is clear, colorless, nonreactive, nonflammable, and safe in chemical and oxygen service.
These specialty aerospace-grade lubricants from Chemours provide extremely long-term performance. Krytox™ 240AZ meets MIL-PRF-27617 Type I and NSN 9150-01-007-4384.
Product type: Synthetic aerospace and aviation grease
Viscosity @ 20°C (68°F): 60 cSt
NLGI Grade: 2
Food-grade compatible (H1): Yes
Meets MIL-PRF-27617: Yes
Estimated useful range: −57°C to 149°C (−70°F to 300°F)
Grease density @ 25°C (77°F): : 1.89 g/ml
Oil pour point: −55°C (−70°F)
Primary Chemistry:
PFPE (perfluoropolyether)
Flammable or unsafe grease lubricant solutions
Bearing, valve, or other component failure in critical applications Ineffective wear prevention or protection from lubricants
Krytox™ 240AZ aerospace grease is the lightest premium AAND (aerospace, aviation, and national defense) grease for use in applications that do not require additional corrosion inhibitors or extreme pressure additives.
Krytox™ 240AZ is the most commonly used grade of aerospace grease, engineered for precise performance characteristics in demanding applications, such as bearings, valves, and other critical components.
Krytox™ Specialty Aerospace Performance Lubricants are PFPE based oils & greases that meet or exceed the strict requirements of the Aerospace, Aviation & National Defense industries.
Krytox™ Performance Lubricants provide exceptional performance for o-ring lubrication and protection. Explore their portfolio of tailored products here.
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