AEROSHELL GREASE 33

"AeroShell Grease 33" is a synthetic universal airframe grease with corrosion and oxidation inhibitors and load carrying additives. "AeroShell Grease 33" can be used for routine lubrication on aircraft manufactured by Boeing, McDonnell, Douglas, Airbus, Bae Regional Aircraft, Canadair, Lockheed, Embraer, Fokker and Gulfstream.

Conform to the specifications: MIL-PRF-23827C, BMS 3-33 and others.

Main characteristics

Properties BMS 3-33A AeroShell Grease 33
Oil type Synthetic hydrocarbon/Ester Synthetic hydrocarbon/Ester
Thickener type Lithium Complex Lithium Complex
Base of viscosity, mm2/s
@ -40°C
@ 40°C
@ 100°C
-
-
-
1840
14.2
3.4
Useful operating temperature range, °C -73 to +121 -73 to +121
Drop point, °C - 216
Worked penetration @ 25°C 216 to 315 297
Unworked penetration @ 25°C - 290
Bomb oxidation pressure drop from 758 kPa (110 psi) @ 99°C
100 hr, kPa (psi)
500 hr, kPa (psi)
70 (10) max
105 (15) max
3.5 (0.5)
34 (5)
Oil separation @ 100°C, 30 hr, % m - 2.0
Water resistance test lass (79°C), % m 7.5 max <6
Evaporation Lass, 500 hr @ 121°C, % m 10 max <10
Mean Hertz Load, kg - 60
Antifriction bearing performance @ 121°C, hrs - 1200+
Copper corrosion 24 hrs @ 100°C Must pass Passes
Bearing protection 2 days @ 52°C Must pass Passes
Colour Blue-green Green