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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Enhanced TDS

Identification & Functionality

Product Type: Grease
Thickener Type: Polyurea
Technologies: Ready-to-Use Products
Product Families: Ready-to-Use Products — Fluids & Lubricants
Greases

Features & Benefits

Ready-to-Use Product Features: Corrosion Resistant,
High Durability,
High Temperature Performance,
Reduced Noise,
Service Life Extension

Applications & Uses

Markets: Industrial
Applications: Industrial — Chemical & Industrial Manufacturing
Equipment & Parts
Application Area: Ball Bearing,
Bearings,
Electric Motor Bearing,
Fan Bearings,
Pump Bearings,
Roller Bearings

Properties

NLGI Grade

Specifications


	Value	Units	Test Method / Conditions
Grade	NLGI 2	-	-
Base Oil Viscosity of Greases (at 100°C)	12.2	mm²/s	AMS 1700
Base Oil Viscosity of Greases (at 40°C)	115	mm²/s	AMS 1697
Copper Strip Corrosion Rating (at 100°C, 24 h)	1A	-	ASTM D4048
Dropping Point	260	°C	-
Four-Ball Wear Test (Scar Diameter, at 54°C, 20 kg, 1800 rpm, 1 h)	0.41	mm	ASTM D2266
Low Temperature Torque (Running at -54°C)	800	g cm	ASTM D1478
Low Temperature Torque (Starting at -29°C)	7500	g cm	ASTM D1478
Lubrication Life (at 177°C)	min. 750	hrs	ASTM D3336
Oil Separation	0.5	mass %	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 Test	0.1	-	ASTM D6138
Viscosity Index	95	-	ASTM D2270
Water Washout Loss (at 79°C)	1.9	wt.%	ASTM D1264