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ExxonMobil Mobil Polyrex EM
Categories: Fluid; Lubricant

Material Notes: Super-premium Mobil Polyrex EM Series grease is 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.

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, and low noise properties are not required. 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; Polyrex EM for ball or roller bearings operating in noise sensitive environments

Key Words: NLGI Grade 2
Vendors:
Available Properties
  • Viscosity Measurement, ASTM D2270, Index
  • Kinematic Viscosity at 40°C (104°F), ASTM D445
  • Kinematic Viscosity at 100°C (212°F), ASTM D445
  • Four Ball Wear, ASTM D2266, 40 kg, 1200 rpm, 75°C, 1 hr
  • Penetration, ASTM D217, Penetration Change after 100000 strokes, mm/10
  • Penetration, ASTM D217, Worked, 60x
  • Oil Separation, ASTM D1742
  • Dropping Point, ASTM D2265
  
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