Molykote 41 – Silicone Lubricant Grease

Molykote 41 is a silicone lubricant grease that can be used at higher temperatures than normal silicone greases.

Molykote 41 – Silicone Lubricant Grease

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.


  • Silicone oil
  • Black coal
  • Corrosive inhibitor


  • 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


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

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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Technical Data sheet and safety data sheet

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