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Mobil Polyrex EM
Electric Motor Bearing Grease
Application Mobil Polyrex EM
Mobil Polyrex EM greases are recommended by many major bearing and electric motor manufacturers for long-life lubrication of electric motor ball and roller bearings. Mobil Polyrex EM 103 is more specifically recommended for applications such as vertically mounted bearings, or very large motors where a stiffer grease consistency may be required by the OEM. Mobil Polyrex EM greases have been shown to be compatible with a number of ExxonMobil lithium complex greases, as well as competitive electric motor mineral polyurea products, as determined by the methodology of ASTM D6185. For specific questions about grease compatibility, contact your Mobil representative. Key applications include: Electric motor bearings. Fin fan bearings. High-temperature pump bearings. Factory-filled, sealed-for-life ball bearings. Ball or roller bearings operating at high temperatures where low oil separation is required. Mobil Polyrex EM for ball or roller bearings operating in noise sensitive environments
Performance, Features & Benefits of Mobil Polyrex EM are:
- Mobil Polyrex EM and Mobil Polyrex EM 103 offer the following features and benefits:
| Features | Advantages and Potential Benefits |
|---|---|
|
Outstanding grease life |
Outstanding long-life, high-temperature lubrication of ball and roller bearings, particularly in sealed-for-life applications |
| Advanced polyurea thickener |
Increased durability versus conventional polyurea greases when subjected to mechanical shear forces |
| Excellent corrosion resistance |
Mobil Polyrex EM and Mobil Polyrex EM 103 provide protection against rust and corrosion.Mobil Polyrex EM provides additional protection under mild salt-water wash conditions versus Polyrex EM 103 |
| Low-noise properties |
Mobil Polyrex EM is suitable for lubrication of ball bearings in many noise-sensitive applications |
Product Description Mobil Polyrex EM
Super-premium Mobil Polyrex™ EM Series greases are specially formulated for electric-motor bearings. The advanced thickener formulation and proprietary manufacturing techniques provide improved bearing performance and protection for long electric motor life.
Specifications Mobil Polyrex EM:
- DIN 51825:2004-06 - K 2 P -20
If you have any questions, please contact OlieOnline Technical Helpdesk
Health, Safety & Environment of Mobil Polyrex EM
Health and Safety
Mobil Polyrex EM Guidance on Health and Safety is available on the appropriate Material Safety Data Sheet.
Protect the enviroment
Mobil Polyrex EM to an authorised collection point. Do not discharge into drains, soil or water
Typical Characteristics
| Product specifications : | Mobil Polyrex EM | |
| Grade | NLGI 2 | |
| Thickener Type | Polyurea | |
| Base Oil Viscosity of Greases @ 100 C, mm2/s | AMS 1700 | 12.2 |
| Base Oil Viscosity of Greases @ 40 C, mm2/s | AMS 1697 | 115 |
| Color, Visual | Blue | |
| Copper Strip Corrosion, 24 h, 100 C, Rating | ASTM D4048 | 1A |
| Corrosion Preventive Properties, Rating | ASTM D1743 | PASS |
| Dropping Point, °C | ASTM D2265 | 260 |
| Four-Ball Wear Test, Scar Diameter, mm | ASTM D2266 | |
| Four-Ball Wear Test, Scar Diameter, 40 kg, 1200 rpm, 1 h, 75 C, mm | ASTM D2266 | 0.41 |
| Low Temperature Torque, Running, -29 C, g-cm | ASTM D1478 | 800 |
| Low Temperature Torque, Starting, -29 C, g-cm | ASTM D1478 | 7500 |
| Lubrication Life @ 177 C, h | ASTM D3336 | 750+ |
| Oil Separation, mass% | ASTM D1742 | 0.5 |
| Penetration, 60X, 0.1 mm | ASTM D217 | 285 |
| Penetration, Change from 60X to 100,000X, 0.1 mm | ASTM D217 | 40 |
| SKF Emcor Rust Test | ASTM D6138 | 0,1 (No Rust) |
| Viscosity Index | ASTM D2270 | 95 |
| Water Washout, Loss @ 79 C, wt% | ASTM D1264 | 1.9 |
What is Mobil Polyrex EM and what is it used for?
Mobil Polyrex EM is a high performance lubricant used for lubricating electric motors. It is specifically designed to meet the stringent requirements of modern electric motors and is suitable for use in both closed and open bearing systems.
What are the properties of Mobil Polyrex EM?
Mobil Polyrex EM has a number of important properties, including high thermal stability, excellent water resistance, high load carrying capacity and good wear and corrosion protection. The grease is also resistant to oxidation and has good pumpability at low temperatures, making it suitable for use in a wide range of applications and conditions.
Where can I buy Mobil Polyrex EM?
OlieOnline is the largest online lubricant webshop with only worldwide well-known brands including Mobil Polyrex EM. OlieOnline customers appreciate the convenience and time savings of being able to buy lubricants online 24/7 at a competitive price. No questions asked: Knowledge is our strength! www.olieonline.co.uk
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