MOBIL POLYREX EM

MOBIL POLYREX EM greases are specifically designed for electric-motor bearings, featuring an advanced thickener formulation and proprietary manufacturing techniques that enhance bearing performance and longevity. These greases are engineered to provide superior protection, ensuring prolonged electric motor life under demanding operational conditions.

Product Type: Grease

Application Area: Ball Bearing, Bearings, Electric Motor Bearing, Fan Bearings, Pump Bearings, Roller Bearings

Features: Corrosion Resistant, High Durability, High Temperature Performance, Reduced Noise, Service Life Extension

Thickener Type: Polyurea

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Identification & Functionality

Features & Benefits

Applications & Uses

Properties

NLGI Grade
Specifications
ValueUnitsTest Method / Conditions
GradeNLGI 2--
Base Oil Viscosity of Greases (at 100°C)12.2mm²/sAMS 1700
Base Oil Viscosity of Greases (at 40°C)115mm²/sAMS 1697
Copper Strip Corrosion Rating (at 100°C, 24 h)1A-ASTM D4048
Dropping Point260°C-
Four-Ball Wear Test (Scar Diameter, at 54°C, 20 kg, 1800 rpm, 1 h)0.41mmASTM D2266
Low Temperature Torque (Running at -54°C)800g cmASTM D1478
Low Temperature Torque (Starting at -29°C)7500g cmASTM D1478
Lubrication Life (at 177°C)min. 750hrsASTM D3336
Oil Separation0.5mass %ASTM D1742
Penetration (60 x 0.1 mm)285-ASTM D217
Penetration (Change from 60x to 100,000x, 0.1 mm)40-ASTM D217
SKF Emcor Rust Test0.1-ASTM D6138
Viscosity Index95-ASTM D2270
Water Washout Loss (at 79°C)1.9wt.%ASTM D1264