Mobilgrease 33 pail 35Lb
Description
Mobilgrease 33 pail 35Lb
Mobilgrease 33 is a high-performance lithium-complex grease designed for general-purpose aircraft use. Its consistency is between the NLGI grades 1 and 2.
Mobilgrease 33 utilizes a 100% polyalphaolefin base oil and premium additives which ensures outstanding lubrication performance over a wide temperature range and operating conditions.
To learn more, download the Mobil grease 33 fact sheet >>
Features & Benefits of Mobilgrease 33 pail 35Lb
The lithium complex thickener system provides excellent structural stability and resistance to water wash-out. Polyalphaolefin base oil is used in Mobilgrease 33 because of its exceptional thermal/oxidative resistance potential, low volatility, and superb low-temperature capability, without the potential vulnerability of an ester base oil to degradation from reaction with water. The synthetic polyalphaolefin base oil offers excellent low-temperature mobility/pumpability and very low starting and running torque values. In addition, the state-of-the art additive system in Mobilgrease 33 provides superior rust and wear protection and load-carrying capacity compared to aviation greases that meet the minimum requirements of the MIL-PRF-23827 specification.
Mobilgrease 33, with its unique features, provides the following advantages and potential benefits:
| Features | Advantages and Potential Benefits |
|---|---|
| High viscosity index polyalphaolefin basestock | Very wide operating temperature range – outstanding high and low temperature performance. Excellent lubricant film protection at high temperatures |
| Good storage stability | Grease structure integrity maintained – low oil separation |
| Exceptional resistance to thermal and oxidative degradation | Long grease and lubricated part service life |
| Resistance to degradation by water (hydrolysis) | No risk of corrosion induced by acidic base oil degradation products |
| Low volatility | Little vulnerability to significant base oil loss by evaporation in service |
| Excellent protection against wear, corrosion, and rusting | Excellent bearing and component protection |
| Extreme-pressure characteristics | Prevention of excessive wear, even under shock load |
| High resistance to water washout | Excellent grease performance in adverse weather and other water-exposure conditions |
Applications of Mobilgrease 33 pail 35Lb
Mobilgrease 33 is a true multipurpose aviation grease intended for use in highly loaded anti-friction bearings, gears, and actuators as well as instruments, high speed bearings (though not recommended for wheel bearings), and general airframe lubrication, over operating temperatures from –100ºF to 250ºF (–73ºC to 121ºC). It can be used in all applications for which the aircraft manufacturer specifies U.S. Military Specification MIL-PRF-23827, Type I (Grease, Aircraft and Instrument, Gear and Actuator Screw, Grease thickened with metallic soap), Boeing BMS 3-33B (Grease, Aircraft, General Purpose), and Airbus AIMS09-06-002/SAE AMS3052 (Grease, General Purpose, Airframe, Low Temperature Range, Lithium Thickened). Mobilgrease 33 is listed in the Qualified Products List of Airbus, Boeing, and the U.S. Military for these specifications. The NATO Code Number for Mobilgrease 33 is G-354.
Mobilgrease 33 pail 35Lb Specifications
| Mobilgrease 33 | Is Approved Against | Meets |
|---|---|---|
| Airbus AIMS09-06-002 | X | |
| Boeing BMS 3-33B Type 1 | X | |
| MIL-PRF-23827C, Amendment 2, Type I | X | |
| NATO G-354 | X | |
| SAE AMS3052 | X |
Technical Details – Mobilgrease 33 pail 35Lb
| Test Methods | Boeing BMS 3-33B | MIL-PRF-23827 Type I | Airbus AIMS09-06-002/ SAE AMS3052 | Mobil- grease 33 (1) |
|
|---|---|---|---|---|---|
| NLGI Grade | 1 1/2 | ||||
| Thickener Type | Lithium Complex | Metallic Soap | Lithium Complex | Lithium Complex | |
| Color | Visual | Green to Blue | Blue Green | Blue Green | |
| Structure/ Consistency |
Visual | Smooth, free from visible air bubbles | Smooth, free from lumps and visual impurities | Smooth, free from lumps and visual impurities | Pass |
| Odor | Olfactory | No rancid, perfume, or alcohol odor | No rancid, perfume, or alcohol odor | Pass | |
| Viscosity of Base Oil, cSt | ASTM D 445 | ||||
| at 40 ºC | 12.5 | ||||
| at 100 ºC | 3.2 | ||||
| Dropping Point, ºC (ºF) | ASTM D 2265 | 205 (401) min | 165 (329) min | 200 (392) min | 255 (491) |
| Low Temp. Torque at -73ºC (-100ºF), Nm | DEF STAN 05-50 Part 62, ASTM D 1478 | ||||
| Starting | 0.75 max | 1.00 max | 0.75 max | 0.52 | |
| Running, after 1 Hr | 0.10 max | 0.10 max | 0.10 max | 0.06 | |
| Low Temp. Torque with 10% water at -73ºC (-100ºF), Nm | DEF STAN 05-50 Part 62, ASTM D 1478 | ||||
| Starting | 1.00 max | 0.67 | |||
| Running, after 1 Hr | |||||
| Penetration at 25ºC (77ºF), mm/10 | DEF STAN 05-50 Part 63, ASTM D 217 | ||||
| Unworked | 200 min | 285 | |||
| 60 Strokes Worked | 265-315 | 270-310 | 265-315 | 292 | |
| 100,000 Strokes Worked | FTM 313 | 265-385 | 270-375 | Report | 330 |
| Penetration, 100,000 Strokes Worked with 10% water, mm/10 | DEF STAN 05-50 Part 63, ASTM D 217 | Report | 330 | ||
| Oil Separation, 30 Hrs at 100ºC, wt % | ASTM D 6184 | 8 max | 5 max | 6 max | 4 |
| Evaporation Loss, 22 Hrs at 100ºC, wt % | ASTM D 2595 | 2 max | 1 | ||
| Evaporation Loss, 500 Hrs at 121ºC, wt % | ASTM D 2595 | 10 max | 10 max | 8.7 | |
| Copper Strip Corrosion, 24 Hrs at 100ºC | ASTM D 4048 | 1b max | 1b max | 1b max | 1b |
| AMS4640 Al/Ni Bronze Corrosion, 24 Hrs at 100ºC | ASTM D 4048 | No appearance change | No appearance change | Pass | |
| Four Ball Wear, scar dia., 1200rpm/40kg/1hr/75ºC, mm | ASTM D 2266 | 0.9 max | 0.90 max | 0.4 | |
| Load Wear Index, kgf | ASTM D 2596 | 60 min | 30 min | 60 min | 110 |
| Weld Load, kgf | ASTM D 2596 | 280 min | 700 | ||
| Timken OK Load, lbf | ASTM D 2509 | 50 min | 55 | ||
| Rust Protection, 48 Hrs at 125ºF, ›1mm dia Spots | ASTM D 1743 | 0 in 2 out of 3 bearings | 0,0,0 | ||
| SKF EMCOR Rust, 3% NaCl, rating | ASTM D 6138 | 0, 0 | 0, 0 | 0,0 | |
| Water Washout, 1 Hr at 38ºC (100 ºF), wt % | ASTM D 1264 | 20 max | 3 | ||
| Water Washout, 1 Hr at 79ºC (174 ºF), wt % | ASTM D 1264 | 7.5 max | 10 max | 6 | |
| High Temperature Performance, Hrs at 121ºC | ASTM D 3336 | 1,000 min | 1,000 min | 1,000 min | 2,200+ |
| Oxidation Stability, pressure drop in kPa | ASTM D 942 | ||||
| 100 Hrs at 99ºC | 70 max | 70 max | 50 max | 11 | |
| 500 Hrs at 99ºC | 105 max | 105 max | 105 max | 25 | |
| Fretting Wear, mg loss | ASTM D 4170 | 0.9 max | Report | 0.6 | |
| Dynamic Bearing Life, No of cycles | BMS 3-33-8.2 | 30,000 min | Pass | ||
| Navy Gear Wear Test, mg loss/1000 cycles | FTM 335 | ||||
| 2.3 kg load | 2.5 max | 1.1 | |||
| 4.5 kg load | 3.5 max | 1.6 | |||
| Dirt Count, Particles/mL | FTM 3005 | ||||
| 25-74 Micron Size | 1000 max | 1000 max | 0 | ||
| 75 Micron or Larger | 0 | 0 | 0 | ||
| Storage Stability, 6 months at 40ºC, Penetration, mm/10 | FTM 3467 | ||||
| Unworked | ASTM D 217 | 200 min | 200 min | 289 | |
| 60x worked | ASTM D 217 | 288 | |||
| 60x worked, Difference from Unworked | ASTM D 217 | ±30 | -1 | ||
| Difference from Original | ASTM D 217 | ±30 | ±30 | 2 | |
| Elastomer Compatibility, 168 Hrs at 70ºC, % vol change | FTM 3603 | ||||
| Nitrile (NBR-L, AMS3217/2) | -2.0 to +25.0 | -2.0 to +25.0 | +12.6 | ||
| Thermoplastic Compatibility, 70 Hrs at 100ºC, % vol change | ASTM D 4289 | ||||
| Hytrel 6356 + 0.5% carbon black | ± 5.0 | 3.4 | |||
| Delrin 100 AF (ASTM D 4181) | ± 2.0 | +0.1 | |||
| PTFE (Teflon) (AMS 3652) | ± 2.0 | +0.1 | |||
| Nylatron GS | ± 1.0 | -0.5 | |||
| (1) Values may vary within modest ranges | |||||
Additional information
| Weight | 38 lbs |
|---|---|
| Dimensions | 12 × 12 × 15 in |
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