Castrol Braycote. Micronic 600 EF 

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Description 

Castrol Braycote Micronic 600 EF is a smooth, buttery, translucent off-white colored, NLGI #2 grease.  This product uses Castrol Brayco 815Z as the base fluid and a tetrafluoroethylene telomer as the gelling agent.  This grease is nonflammable, chemically inert, and thermally stable and does not use any chlorofluorocarbons (CFCs) during product manufacture. It has exceptionally low volatility and has little tendency to form deposits. It has excellent lubricating properties, good sheer stability, and low acute toxicity. Castrol Fluoroclean. X100 or Castrol Fluoroclean. HE can be used to remove this lubricant.  Refer to the data sheets for information regarding these products. 

Application 

Braycote Micronic 600 EF is designed to operate in the presence of fuels, oxidizers, and in applications of deep space vacuum.  It is used in gears, ball and roller bearings, electrical contacts, and "O" rings. This grease is highly recommended for applications where temperature extremes and/or low vacuums are routine, such as cryogenic coolers, FLIR, laser optical systems, or hostile chemical environments. Perfluorinated greases, such as this product, exhibit excellent shelf life due to their intrinsic inertness. 

Characteristics 

TEST METHOD  DESCRIPTION  RESULT  

D 1403  Penetration @ 25°C (77°F), mm-1 Unworked Worked, 60 strokes  284 286  

FTM 321  Oil Separation, 30 hrs, 204°C (400°F), % wt Evaporation Loss, % wt  12.14 0.18  

FTM 5309  Copper Strip Corrosion  24 hrs, 100°C (212°F)  1b  

D 2265  Dropping Point, °F (°C)  214 (417)  

D 2266  Four-Ball Wear-Test, AWSD, mm 1200 rpm, 40 kgf, 1 hr, 75°C (167°F) 1200 rpm, 40 kgf, 1 hr, 204°C (400°F)  0.91 1.29  

D 2596  Four-Ball Extreme-Pressure Weld, kgf  700+  

E 595 NASA SP-R-0022A  Vacuum Stability Test 24 hrs, 125°C (257°F), 10-6, torr Total Weight Loss (TWL), % wt Volatile Condensable Material (VCM), % wt  0.20 0.03  

D 1478  Low-Temperature Torque, g.cm @ -62°C (-80°F) Starting Running, 1 hr @ -73°C (-100°F) Starting Running, 1 hr  585 228 1430 637  

D 2512 (MSFC 106)  LOX Impact Sensitivity 100 mm, 20 drops  Pass  

D 3336  High Temperature Bearing Performance, hrs  586+  

FTM 3005  Particulate Contamination Level  25-74 Microns 75 or larger  286 None  

Outgassing test total mass loss, 48 hours @ 150°C, ~10-6 torr, % wt.  0.04  

K 1559  Extrapolated Vapor Pressure, torr, Derived from ASTM vapor pressure versus temperature plot. Refer to the attached plot.  Samples preconditioned at 150°C  

for 48 hours. @ 60°C (140°F) @ 100°C (212°F) @ 150°C (302°F)  7 x 10-12 6x 10-10 4 x 10-8  

Pounds per gallon @ 16°C (60°F) Grams per milliliter @ 16°C (60°F)  15.70 1.88  

Base Oil Characteristics 

D 287  Specific Gravity @ 16/16°C (60/60°F) Pounds per Gallon @ 16°C (60°F)  1.8531 15.430  

D 445  Kinematic Viscosity, cSt  @ 99°C (210°F)  @ 38°C (100°F)  @ -54°C (-65°F)  45 148 10,855  

D 2270  Viscosity Index  350  

D 97  Pour Point, °C (°F)  -72 (-100)  

Knudsen  Vapor Pressure, torr @ 20°C (68°F) @ 100°C (212°F) @ 200°C (392°F)  4 x 10-13 2 x 10-9 2 x 10-6