Features

A key factor in the development of Mobil Aviation Grease SHC 100 was the close contact between ExxonMobil product engineers and key OEMs to ensure that the lubricant would provide exceptional performance in aircraft wheel bearings. This work has helped to confirm the results from ExxonMobil laboratory tests showing the exceptional performance of Mobil Aviation Grease SHC 100 including long grease life, enhanced bearing protection and bearing life in aircraft wheels, and wide temperature range of application.

To combat high thermal exposure of the oil, ExxonMobil product formulators chose synthetic hydrocarbon base oils for Mobil Aviation Grease SHC 100 because of their exceptional thermal/oxidative resistance potential. A state-of-the-art lithium complex thickener technology was developed and used specific additives to enhance performance.

Mobil Aviation Grease SHC 100 offers the following features and benefits:

Features Advantages and Potential Benefits
High viscosity index (VI) base stock with no wax content Wide application temperature ranges, with excellent protection at high temperatures and low torque, easy start-up at low temperatures.
Outstanding high temperature and low temperature performance Thicker fluid films protecting against wear of equipment parts operating at high temperature
Excellent protection against wear, rust, and corrosion Reduced downtime and maintenance costs because of reduced replacement of equipment parts
Excellent structural stability and oxidation resistance Long intervals between re-lubrication and improved bearing life
Outstanding structural stability in the presence of water Excellent grease retention on parts in hostile wet environments
Low volatility Little loss of lubricating oil

Applications

Mobil Aviation Grease SHC 100 is recommended for aviation applications which need a lubricant that can perform normal functions, yet go far beyond in terms of high and low temperatures and long-life performance. It is a NLGI Grade 2/ISO VG 100 grease having the cold-temperature pumping resistance of most mineral-oil NLGI Grade 0 greases. It provides outstanding protection at operating temperatures from –54 ºC (-65 ºF) to 177 ºC (350 ºF).

Mobil Aviation grease SHC 100 is recommended for high speed, heavy load applications such as wheel bearings, as well as for slower speed, high load applications such as landing gear bearings, slides, and joints.

Mobil Aviation Grease SHC 100 is approved as a wheel bearing grease by all major aircraft wheel manufacturers.

Specifications

Mobil Aviation Grease SHC 100 Approved as a wheel bearing grease
ABSC (Meggitt) X
Dunlop (Meggitt) X
Goodrich X
Honeywell (formerly AlliedSignal) X
Messier-Bugatti X
Parker-Cleveland X

Typical Properties

Test Method Mobil Aviation Grease SHC 100 (1) Spec Limit
NLGI Grade 2
Soap Type Lithium Complex
Structure Visual Smooth; Slight Tack
Color Visual Red
Base Oil Viscosity, cSt ASTM D 445
at 40 ºC 100
at 100 ºC 14.5
Penetration at 25ºC (77ºF), 60 Stroke Worked, mm/10 ASTM D 217 280 255 - 300
Extended Worked Stability, 100,000 strokes FTM 313 313 350 max
Dropping Point, ºC (ºF) ASTM D 2265 278 (532) 246 (475) min
Copper Strip Corrosion, 24 Hrs at 100ºC ASTM D 4048 Pass 1b max
Four-Ball Wear, Scar dia, mm ASTM D 2266 0.5 0.8 max
Four-Ball EP, Weld Load, kgf ASTM D 2596 250
Four-ball EP, Load Wear Index, kgf ASTM D 2596 40
Water Washout, wt % ASTM D 1264
1 Hr at 79ºC (175ºF) 7
1 Hr at 41ºC (105ºF) 3 20 max
Rust Protection, 48 Hrs at 125ºF, ›1mm dia Corrosion Spots ASTM D 1743 Pass 0 in 2 out of 3 bearings
Bomb Oxidation, pressure drop in psi ASTM D 942
100 hr at 99ºC (210ºF) 3
500 hr at 99ºC (210ºF) 5
Oil Separation, 30 Hrs at 177ºC, wt % ASTM D 6184 7 12 max
Evaporation, 30 Hrs at 177ºC, wt % ASTM D 972 5
Dirt Count, Particles/mL FTM 3005
25-125 Micron Pass 1000 Max
Larger than 125 Micron Pass 0
Low Temp. Torque @ -54ºC (-65ºF), Nm (g-cm) ASTM D 1478
Starting 0.3 (3100) 2.0 (20400)
Running 0.1 (1020) 0.5 (5100)
(1) Values may vary within modest ranges

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February 14, 2018
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