Material Insights · Understanding the Material World

Lubricant additives

Detergents, dispersants, anti-wear and viscosity additives that turn base oil into engine and industrial lubricants; four firms make about 80%.

Specialty chemicals · Performance additives · No. 80

  • Product family
  • Feedstock: Oil, gas or coal
  • a little over 4 Mt (2022), forecast about 4.5 Mt in 2027, still below 2018
  • 2.5 t CO₂e per t
  • HS 381121, 381129
Specialty chemicals · Performance additives · Foundation · Matter

Up to a quarter of your engine oil is additives, and just four companies make about 80% of them.

Chart: Illustration: Lubricant additives

Where it comes from

Chart: Map of where it comes from

Polyisobutylene reacts with maleic anhydride and polyamines to make dispersants; ZDDP anti-wear, about 8-10% zinc, comes from alcohols, phosphorus sulphide and zinc oxide.

Three things to know
  1. Heavy-duty diesel oils take about 31% of additives, because soot and acids demand heavy dispersant and detergent loads.
  2. After IMO 2020 cut marine fuel sulphur to 0.5%, ship cylinder oils dropped from 100 BN to 40-70 BN.
  3. World demand of about 4 Mt in 2022 was still below 2018, and is forecast at only 4.5 Mt in 2027.
The journey
  1. 1 PetrochemicalsPolyisobutylene, maleic anhydride, amines, sulphonic acids
  2. 2 ComponentsDispersants, detergents, ZDDP and VI improvers
  3. 3 PackagesBlended and certified to API, ACEA specs
  4. 4 Lubricant blendingMixed into base oil by oil companies
  5. 5 Engines, machinesCars, trucks, ships and metalworking
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