Mobil Polyrex™ 461 HD
Mobil grease , India
Product Description
Mobil Polyrex™461 HD is a polyurea grease with excellent water washout resistance, superior high temperature protection and load-carrying characteristics. The polyurea thickener system exhibits excellent resistance to oxidation and oil separation at high operating temperatures. With its outstanding water resistance, high-temperature oxidation stability, load-carrying capability, and wide operating temperature range, Mobil Polyrex™461 HD is an excellent multi-purpose grease for a wide array of industrial applications such as steel mills and wood pellet machines. This grease has excellent pump ability in central grease systems. Recommended operating temperature range is from -20 °C to 160 °C.
Features and Benefits
Features and Benefits
Features:
-Very good resistance to oxidation imparted by the polyurea thickener.
- Resistance to water washout: Provides an effective water resistance to keep grease in place.
- Dependable protection under heavy loads.
- Good protection against corrosion: Corrosion prevention protects bearings in presence of water.
-Superior high temperature performance: Can provide a high level of wear protection up to 160°.
- Compatibility with centralized greasing systems: Due to consistency grade NLGI 1 this grease is suitable for long distribution systems with very good mobility.
Benefits:
- Dependable bearing and equipment protection.
- Helps enhance plant reliability and minimize downtime.
- Cost-effective lubrication solution: Reduced waste water disposal costs due to excellent water resistance.
|
Features |
Advantages and Potential Benefits |
|
Excellent water washout resistance |
Effective protection as grease stays in place. Increased bearing protection leads to reduced spare costs. Reduced waste water disposal cost. |
|
Excellent Oxidation Stability |
Protection against degradation due to oxidation. Increased grease life and equipment protection. |
|
Good corrosion protection |
Protection against corrosion in presence of water. Increased bearing life and reduced maintenance cost |
Applications
Suitable for medium to slow speed moving plain or roller bearings exposed to high temperatures, high water wet conditions in the following industrial applications:
Steel mill continuous casters & rolling mills.
Wood pellet mills.
Cement, Glass, Mining, Chemical plants equipment.
Properties and Specifications
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Property |
|
|
Grade |
NLGI 1 |
|
Thickener Type |
Grease - Polyurea |
|
Dropping Point, °C, ASTM D2265 |
265 |
|
Viscosity @ 40 C, Base Oil, mm2/s, ASTM D445 |
460 |
|
Color, Visual |
Beige |
|
Water Washout, Loss @ 79 C, wt%, ASTM D1264 |
4.2 |
|
Copper Strip Corrosion, 24 h, 100 C, Rating, ASTM D4048 |
1B |
|
Oil Separation, 0.25 psi, 24 h @ 25 C, mass%, ASTM D1742 |
1.2 |
|
Four-Ball Wear Test, Scar Diameter, mm, ASTM D2266 |
0.55 |
|
Penetration, Worked, 60X, 0.1 mm, ASTM D217 |
325 |
Health and safety
Health and Safety recommendations for this product can be found on the Material Safety Data Sheet (MSDS) @ http://www.msds.exxonmobil.com/psims/psims.aspx
All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise.
01-2023