下載次數(shù)：451次 瀏覽次數(shù)：1143次發(fā)布時間：2015-09-27 16:49Castrol 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
￥6000.00
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