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NLGI 2 - Non-Flammable, Aerospace Grade PFPE Grease with PTFE Thickener (Base Oil Viscosity 35 cSt @38°C).
Krytox™ 240AA is a white buttery grease with all of the same properties as the 143 series base oils. Krytox™ 240AA grease is a pure white, fluorinated synthetic material providing complete nonreactivity and nonflammable performance. Krytox™ 240AA exhibits best-in-class safety in chemical and oxygen service and is extremely long-lasting.
Viscosity (cSt):
@20°C (68°F): 88
@ 38°C (100°F): 35
@ 99°C (210°F): 5.4
@ 204°C (400°F): 1.3
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 hr.):
@ 149°C (300°F): 15
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 hr
Liquid Oxygen Impact (ASTM D2512, NASA MSFC 106B): Pass
Grease Density (at 25°C/77°F): 1.91 g/mL
Oil Separation (wt% loss in 30 hours):
@ 99°C (210°F): 5
@ 204°C (400°F): 20
Estimated Useful Range: -51°C to 177°C (-60°F to 350°F)
Low viscosity (35 cSt @38°C)
Completely Non-Flammable
Completely Non-Reactive/Inert
Precise performance
Low out-gassing
Exceptionally Long Lasting
Bearing or Component Wear & Damage
Unsafe or Flammable Grease Chemistries
Ineffective Grease Protection for Aerospace Applications
Krytox™ 240AA can be used in a wide variety of medium viscosity grease applications including: Seals, O-rings, gaskets, low temperature bearings.
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