Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

ExxonMobil Mobilgrease 27

Category Fluid , Lubricant , Lithium Gellant
Manufacturer ExxonMobil
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF ExxonMobil Mobilgrease 27.pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
Material Notes:
Mobilgrease 27 is a high performance, aviation grease designed to combine the unique features of a synthetic ester base fluid with a lithium soap thickener. Its consistency is between an NLGI No. 1 and No. 2 grease. It offers outstanding performance over a wide temperature range. The thickener system provides excellent structural stability and resistance to water wash. The properties of the base oil, combined with selected additives, provide outstanding protection against rust, corrosion, wear and high temperature degradation. The synthetic base oil allows for low-temperature mobility/pumpability and very low starting and running torque values.Mobilgrease 27 is a true multipurpose aviation grease intended for use in highly loaded gears and actuators as well as instruments, high speed bearings (though not recommended for wheel bearings), and general airframe lubrication over temperatures from –100ºF to 250ºF. Mobilgrease 27 is also an excellent choice for applications where a smooth, low noise, wide temperature range lubricating grease is required, such as in miniature precision bearings. Mobilgrease 27 contains a synthetic ester and should not be used in contact with incompatible seal materials. It may soften natural rubber, neoprene, certain electrical insulation materials and paints. Mobilgrease 27 meets the requirements and is approved against U.S. Military Specification MIL-PRF-23827, Grease, Aircraft and Instrument, Gear and Actuator Screw, Type I (Grease thickened with metallic soap). It is listed in the QPL-23827 Qualified Products List. In addition, Mobilgrease 27 may be used in all applications where MIL-G-3278, MIL-G-7118, MIL-G-7421, MIL-G-15793 and MIL-G-23827 are specified, subject to approval by the aircraft manufacturer. It is a NATO Code Number G-354 grease.
Physical Properties Metric English Comments
Kinematic Viscosity at 40°C (104°F) 9.2 cSt
9.2 cSt
ASTM D445
Kinematic Viscosity at 100°C (212°F) 2.7 cSt
2.7 cSt
ASTM D445
Oxidative Stability 100 hour
100 hour
Pressure Drop of less than 70 kPa @ 99°C; ASTM D942
500 hour
500 hour
Pressure Drop of less than 105 kPa at 99°C; ASTM D942
Evaporation Loss 1.2 %
1.2 %
22 hrs @ 100°C; ASTM D2595
Storage Temperature 38.0 °C
100 °F
6 months time; FTM 3467
Mechanical Properties Metric English Comments
Four Ball Extreme Pressure, Load Wear Index 33
33
ASTM D2596
Penetration 275
275
Unworked, 25°C; ASTM D217
290
290
60 Stroke Worked, 25°C; ASTM D445
325
325
Extended Worked Penetration Stability, 100000 Strokes, mm/10; FTM 313
Oil Separation 2.3 %
2.3 %
30 hrs @ 100°C; ASTM D6184
Thermal Properties Metric English Comments
Dropping Point 200 °C
392 °F
ASTM D2265
Descriptive Properties Value Comments
Color light tan
Copper Strip Corrosion, ASTM D4048 1B (max)
Corrosion Prevention, ASTM D1743 pass
48 hrs @ 125°F
Gear Wear, FTM 335 pass
Grease Life, DIN 51821 (FE-9), hours 1000 (min)
@ 121°C
Low Temperature Torque, ASTM D1478, g-cm 408
@ -100°F, Running after 1 hr
4080
@ -100°F, Starting
Particle Count, 25-50 microns 0, 25-74 microns, dirt count, particles/mL, FTM 3005, 0 75 micron or larger
Soap/Thickener Type lithium
Structure smooth
Water Washout, ASTM D1264, wt% 13
1 hr @ 38°C
Copyright © lookpolymers.com All Rights Reserved