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Braycote 600 EF

Low Temperature
Grease, Rocket Propellant Compatible


Braycote 600 EF

Castrol Braycote 600 EF

Braycote 600 EF Description:

Castrol Braycote 600 EF is a smooth, buttery, translucent off-white colored, NLGI #2 grease. Braycote 600 EF 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 (CFC's) during product manufacturing. Braycote 600 EF has exceptionally low volatility and has little tendency to form deposits. It has excellent lubricating properties, good shear stability, and low acute toxicity. Castrol Fluoroclean X100 or Castrol Fluoroclean HE can be used to remove this lubricant.

Castrol Braycote 600 EF

Braycote 600 EF Temperature Range:
-80C to 204C (-112F to 400F)

Braycote 600 EF Uses:
Braycote 600 EF is designed to operate in the presence of fuels, oxidizers, and in applications of deep space vacuum. Braycote 600 EF is used in gears, ball and roller bearings, electrical contacts, and "O" rings. Braycote 600 EF 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.

Braycote 600 EF Shelf Life:
Perfluorinated greases, such as, Braycote 600 EF exhibit excellent shelf life due to their intrinsic inertness.


Braycote 600 EF Characteristics:

Test Method

Description

Result

D 1403

Braycote 600 EF Penetration @ 25C (77F), mm -1

Unworked

288

Worked, 60 strokes

288

FTM 321

Braycote 600 EF Oil Separation, 30 hrs, 204C (400F), % wt

11.83

Braycote 600 EF Evaporation Loss, % wt 0.20

FTM 5309

Braycote 600 EF Copper Strip Corrosion, 24 hrs, 100C (212F)

1b

D 2265

Braycote 600 EF Dropping Point, C (F)

209 (409)

D 2266

Braycote 600 EF Four-Ball Wear-Test, AWSD, mm

Braycote 600 EF 1200 rpm, 40 kgf, 1 hr, 75C (167F)

0.80

Braycote 600 EF 1200 rpm, 40 kgf, 1 hr, 204C (400F)

1.29

D 2596

Braycote 600 EF Four-Ball Extreme-Pressure Weld, kgf

700+

E 595
 NASA
 SP-R-0022A

Braycote 600 EF Vacuum Stability Test 24 hrs, 125C (257F), 10-6, torr 

 

Braycote 600 EF Total Weight Loss (TWL), % wt 0.20
Braycote 600 EF Volatile Condensable Material (VCM), % wt 0.03

D 1478

Braycote 600 EF Low-Temperature Torque, g.cm

@ -62C (-80F) Starting

585

@ -62C (-80F) Running, 1 hr

228

@ -73C (-100F) Starting

1430

@ -73C (-100F) Running, 1 hr

637

D 2512 (MSFC 106)

Braycote 600 EF LOX Impact Sensitivity

100 mm, 20 drops

Pass

D 3336

Braycote 600 EF High Temperature Bearing Performance, hrs

586+

Braycote 600 EF Outgassing test total mass loss, 48 hours @ 150C, ~10 -9 torr, % wt.

0.04

E 1559

Braycote 600 EF Extrapolated Vapor Pressure, torr, derived from ASTM vapor pressure versus temperature plot. Refer to the attached plot. Samples preconditioned at 150C for 48 hours.  

@ 60C (140F)
7 x 10-12

@ 100C (212F)

6x 10-10

@ 150C (302F)

4 x 10-8

1420

Braycote 600 EF Pounds per gallon @ 16C (60F)

15.70

Braycote 600 EF Grams per milliliter @ 16C (60F)

1.88

Braycote 600 EF Base Oil Characteristics:

Test Method Braycote 600 EF Base Oil Characteristics Result

D 287

Braycote 600 EF Specific Gravity @ 16/16C (60/60F) Pounds per Gallon @ 16C (60F)

1.8531 15.430

D 445

Braycote 600 EF Kinematic Viscosity, cSt   

@ 99C (210F) 45
@ 38C (100F) 148
@ -54C (-65F) 10,855

D 2270

Braycote 600 EF Viscosity Index

350

D 97

Braycote 600 EF Pour Point, C (F)

-72 (-100)

Knudsen

Braycote 600 EF Vapor Pressure, torr   

@ 20C (68F) 4 x 10-13
@ 100C (212F) 2 x 10-9
@ 200C (392F) 2 x 10-6

Health, safety and environmental information are provided for this product in the Materials Safety Data Sheet. This gives details of potential hazards, precautions and First Aid measures, together with environmental effects and disposal of used products. Castrol will not accept liability if the product is used other than in the manner or with the precautions or for the purpose(s) specified. Before using the product other than directed, please contact Castrol for consultation.

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Braycote 600 EF