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Ensinger PEI

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Chemours Krytox™ 283AZ PFPE Aerospace Grade Fluorinated Grease, Rust inhibited
Categories: Fluid; Lubricant; Perfluoropolyether (PFPE)

Material Notes: Many grades and special formulations of Krytox™ oils and greases offer superior performance characteristics and certifications for aerospace applications. They operate effectively in high vacuum and extreme temperatures, and are able to endure exposure to fuels, oxidizers, and radiation.

Features:

  • Unaffected lubricity and viscosity within a wide temperature range
  • Stable physical properties over time, including radiation resistance
  • Virtually unaffected by harsh environments and caustic chemicals
  • Resistant to vapor loss in a vacuum (e.g., during high-altitude orbit or deep space flight)
  • Long wear and low-energy consumption due to excellent friction-reducing characteristics
  • Compatible for use with most metals, elastomers, plastics, paints, and finishes,
  • Nontoxic, nonflammable, inert, and non-evaporative.

Information provided by Chemours Krytox

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Physical PropertiesOriginal ValueComments
Density 1.89 g/cc
@Temperature 25.0 °C
grease
Volatiles 18 %
@Treatment Temp. 149 °C,
Time 79200 sec
wt% loss; ASTM D2595
Viscosity Measure 1.08 cSt
@Temperature 204 °C
base oil; ASTM D445
 4.2 cSt
@Temperature 99.0 °C
base oil; ASTM D445
 24.7 cSt
@Temperature 38.0 °C
base oil; ASTM D445
 60 cSt
@Temperature 20.0 °C
base oil; ASTM D445
Vapor Pressure 0.000400 torr
@Temperature 38.0 °C
base oil; Knudsen
 1.50 torr
@Temperature 260 °C
base oil; Knudsen
 
Mechanical PropertiesOriginal ValueComments
Penetration 265 - 29560 strokes; ASTM D217
Oil Separation 6.0 %
@Treatment Temp. 99.0 °C,
Time 108000 sec
wt% loss; ASTM D6184
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 149 °C
Minimum Service Temperature, Air -57.0 °C
Pour Point -55.0 °CASTM D97
 
Descriptive Properties
Liquid Oxygen ImpactPassASTM D2512, NASA MSFC 106B
Mechanical StabilityNo change from original grade10000 and 100000 strokes. ASTM D217
Oxidation Stability0 psig O2 pressure dropAfter 600 hr. 99°C. ASTM D942
TextureButtery

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