Global
Fuel and Lubricant Solutions

Antioxidants

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When lubricants are exposed to heat, gases or mechanical stress, the molecules can break down and form radicals which react with oxygen to cause oil thickening, deposits and acid build-up. 

Antioxidants extend the useful life of lubricants by eliminating these radicals and preventing thermo-oxidative breakdown.

Lubricants formulated without antioxidants may have to be replaced after a short time due to degradation as shown in the above picture. Our core competency in antioxidants has set the standard for lubricant oxidative stability.

 

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At a Glance

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Antioxidants (AOs)

MODE OF ACTION

 

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Choosing the right AO depends on

  • Operating temperature
  • Base oil compatibility
  • Toxicology profile
  • Type of oxidative control required
  • Compatibility with other additives
  • Handling requirements
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Typical Applications

  • Hydraulic fluids
  • Greases
  • Compressor oils 
  • Engine and driveline oils 
  • Industrial gear lubricants
  • Turbine lubricants 
    (industrial and aviation turbines)
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Key Features & Benefits

Performance features

  • High quality products with very good performance
  • Effective at low treat rates with low volatility
  • Control sludge formation in high temperature applications
  • Delay viscosity increases or acid build-up

Sustainability features

  • Extended service life of lubricants
  • Antioxidants with no diluents available
  • Portfolio includes products with FDA/USA approval for use in blending lubricants with incidental food contact
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Portfolio