Chemours Krytox® MIL PRF-27617 240 AB PFPE Lubricant

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Chemours Krytox® MIL PRF-27617 240 AB PFPE Lubricant (discontinued **)
Categories:	Fluid; Lubricant; Perfluoropolyether (PFPE)
Material Notes:	Fuel and oxidizer resistant, aircraft and instrument grease. This product passes tests on film stability, corrosion on steel, resistance to distilled water, and resistance to 50/50 distilled water/ethanol. This product offers no reaction to liquid oxygen impact after 20 impacts at 43.3 in. Chemours was formed from former DuPont performance chemicals businesses, including DuPont Performance Lubricants, in 2015.
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Physical Properties	Original Value	Comments

Kinematic Viscosity at 40°C (104°F)	77.8 cSt	Base Oil
Evaporation Loss	10.1 %	ASTM D2595

Mechanical Properties	Original Value	Comments
Oil Separation	14.2 %

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-40.0 °C

Descriptive Properties
Corrosion on Copper	1b
High Temperature Bearing Performance	Stopped at 1320 hr	1500 hr min. at 10,000 rpm, 204°C
NATO Number	398
Oxidation Stability (psi)	0.5
Solubility in Fuel (%)	0.3
Standard NLGI Penetration Grade	2
Water Washout Characteristics (%)	0.25

**
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WDUPJ936 / 162470

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