What are the different classes of lubricant additives?

There are a number of different additive "families" - each with a unique purpose and each imparting different properties to the finished lubricant. In this video we explore each of these additive classes and give a basic description of their function. Families in this video are:
- Pour point depressants
- Viscosity index (VI) improvers
- Seal swell agents
- Oxidation inhibitors
- Metals deactivators
- Foam inhibitors
- Rust and corrosion inhibitors
- Detergents and dispersants
- Antiwear agents
- Friction modifiers

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