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Mobilgrease 28 is a supreme performance, wide-temperature, antiwear grease designed to combine the unique features of a polyalphaolefin (PAO) synthetic base fluid with an organo-clay (non-soap) thickener. Its consistency is between an NLGI No. 1 and No. 2 grease. It offers outstanding performance over a wide temperature range. The wax-free nature of the synthetic base fluid, together with its high viscosity index compared to mineral oils, provide excellent low temperature pumpability, very low starting and running torque, and can help reduce operating temperatures in the load zone of rolling element bearings.
The clay thickener gives Mobilgrease 28 a high dropping point value of around 300oC, which provides excellent stability at high temperatures. Mobilgrease 28 resists water washing, provides superior load-carrying ability, reduces frictional drag, and prevents excessive wear. Tests show that Mobilgrease 28 lubricates effectively rolling element bearings under conditions of high speeds and temperatures. Mobilgrease 28 has also shown excellent ability to lubricate heavily loaded sliding mechanisms, such as wing flap screw jacks.
For more than 30 years, Mobilgrease 28 has been the multi-purpose grease of choice for military and related aviation applications, worldwide.
FeaturesAdvantages and Potential Benefits
| High viscosity index (VI) synthetic base stock with no wax content | Allows wide operating temperature range - outstanding high and low temperature performance |
| Provides thicker fluid films protecting against wear of equipment parts operating at high temperature | |
| Causes low resistance during start-up at very low temperatures | |
| Excellent protection against wear and corrosion | Superb bearing protection and helps extend bearing life and reduce bearing replacement costs |
| Extreme-pressure protection characteristics | Avoids excessive wear, even under shock load |
| High thermal/oxidative stability | Long relubrication intervals |
| High resistance to water washout | Maintains excellent grease performance in adverse weather and other water-exposure conditions |
| ²£«~¦WºÙ | NLGIµ¥¯Å | ¼W¸Y¾¯Ãþ«¬ | Öß«×cSt(40¢J) | Öß«×cSt(100¢J) | ÃC¦â ¥Øµø | ºwÂI,ASTM D2265 | ¤u§@º¯³z¸ÕÅç¡AASTM D 217 |
| MOBIL GREASE 28 | 1.5 | Öߤg | 29 | 6 | ¬õ¦â | 310 | 295 |
Mobilgrease 28Is Approved AgainstQuality Level
| MIL-PRF-81322G | X | ||
| DOD-G-24508A, Amendment 4 | X | ||
| NATO G-395 | X
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