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MOLYKOTE® 41 Extreme High Temp. Bearing Grease


NLGI Grade 2 - Silicone based grease with carbon black thickener and a base oil viscosity of 375 cSt at 40°C


Product Overview

MOLYKOTE® 41 Extreme High Temperature Bearing Grease is a premium lubricant formulated with a high-quality silicone base oil and a carbon black thickener system.  MOLYKOTE® 41 provides exceptional temperature stability in applications where normal silicone greases either melt or fail.   


MOLYKOTE® 41 is well suited for use in a wide range of industrial applications, including but not limited to:
Bearings & Rolling Elements in High Temps
Oven Conveyors
Kiln Dollies & Cart Rollers
Molten Salt Pump Systems
Regulator Links in High Temp Steam Turbines

Features & Benefits

Non-Melting Performance
Incredible Thermal Stability
Great Oxidative Stability
Resists Water Wash-off
Resistant in Moist or Corrosive Environments
Provides Inert Performance and Non-Reactivity

Problems Solved

Melting and Grease Failure at Extreme Temperatures
Surface Damage and Corrosion from Oil Loss in Grease
Base Oil Oxidation or Degradation in Grease

Product Specifications

Base Oil Viscosity @ 40°C: 375
NLGI Grade: 2
Thickener: Carbon Black
Low Temp: -20°C (-4°F)
High Temp: 290°C (554°F)
Color: Black
Base Oil: 316 Cst @ 25°C

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