When it comes to maintaining electric motors, the choice of grease can make or break long-term performance. In high-temperature, high-load, and high-speed environments—common across UAE industries—Mobil Polyrex EM has become a trusted solution for ensuring reliability and extending equipment life. This premium electric-motor grease is engineered to deliver exceptional protection, even in demanding industrial conditions.
In this blog, we explore the seven key benefits of using Mobil Polyrex EM and why engineers, maintenance teams, and facility managers across the UAE rely on it for consistent and trouble-free operation.
1. Superior High-Temperature Stability
Electric motors in harsh climates like the UAE often operate at elevated temperatures. Mobil Polyrex EM is formulated to withstand continuous temperatures up to 160°C, maintaining its structure and lubrication qualities even during prolonged heat exposure.
This stability prevents grease breakdown, oxidation, and hardening—common issues that lead to bearing wear and premature failures.
Why it matters:
A stable, long-lasting grease reduces maintenance frequency and protects sensitive motor components from thermal stress.
2. Exceptional Bearing Protection and Wear Resistance
Mobil Polyrex EM uses an advanced polyurea thickener, which offers outstanding mechanical stability. This allows the grease to stay in place and resist degradation even under heavy load and high-speed conditions found in industrial motors, HVAC systems, and manufacturing facilities.
Key advantage:
Less wear means longer bearing life, fewer breakdowns, and improved overall reliability.
3. Excellent Oxidation and Rust Control
One of the biggest enemies of electric motor bearings is corrosion—especially in humid, coastal regions like Dubai, Abu Dhabi, and Sharjah. Mobil Polyrex EM includes additives that protect metal surfaces from rust and oxidation, even when exposed to moisture.
A study by ExxonMobil showed that polyurea-based greases outperform conventional lithium greases in corrosion resistance by up to 40%, offering longer-term stability.
4. Reduced Noise Levels
Quiet operation isn’t just a luxury—it’s a necessity in industries relying on precision machinery. Mobil Polyrex EM is specially engineered to deliver smooth, silent bearing performance, making it ideal for:
- HVAC motors
- Electric pumps
- Compressors
- Industrial fans
- Conveyor motors
Its low-noise formulation helps maintain consistent RPM, reduce vibration, and improve operational comfort.
5. Extended Lubrication Intervals
One of the standout advantages of Mobil Polyrex EM is its long grease life, allowing businesses to increase their lubrication intervals significantly.
This means:
- Fewer maintenance shutdowns
- Reduced labour costs
- Lower downtime
- Better productivity
Thanks to its oxidation resistance and thermal stability, Mobil Polyrex EM lasts longer than many conventional greases, making it a cost-efficient choice for UAE industries looking to optimize maintenance schedules.
6. Compatible With Electric Motor Materials
Mobil Polyrex EM is designed specifically for electric motors, meaning it’s safe for:
- Insulation materials
- Copper windings
- Elastomers
- Motor housings
This eliminates the risk of chemical damage, swelling, or grease migration—issues that are common with unsuitable lubricants.
Result:
Smooth, consistent performance without compromising motor components.
7. Proven Performance With High-Speed Bearings
Electric motor bearings often operate at high RPM, and not all greases can maintain their integrity under such conditions. Mobil Polyrex EM has been proven to handle high-speed applications while maintaining low friction and minimal heat generation.
This is especially beneficial for:
- Water pump motors
- Industrial blowers
- Preciion machinery
- Manufacturing lines
Motors run cooler, smoother, and more efficiently—leading to reduced energy consumption and improved operational lifespan.
Why Mobil Polyrex EM Is the Preferred Choice in the UAE
From manufacturing plants to HVAC companies and industrial engineering facilities, businesses across the UAE choose Mobil Polyrex EM because of its:
- Durability in extreme temperatures
- Resistance to moisture and corrosion
- Long-term cost efficiency
- Compatibility with electric motor components
With rising demand for reliable and energy-efficient machinery in the UAE, this grease offers a high-performance solution trusted by engineers and technicians nationwide.
Final Thoughts
Mobil Polyrex EM is much more than a high-quality electric motor bearing grease—it’s an investment in long-term machine reliability, reduced downtime, and overall operational efficiency. Its superior formulation, high-temperature stability, and corrosion resistance make it a top choice for UAE industries aiming for continuous, trouble-free performance.