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)
Nonflammable
Aerospace grade
MIL-SPEC approval (27617)
Extremely long lasting
Chemical nonreactivity, inert
H1 NSF approval (incidental food contact)
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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