Lubricant AdditivesComponentsExtreme Pressure & Antiwear Agents

Extreme Pressure & Antiwear Agents

Extreme Pressure (EP) and Antiwear (AW) additives are chemical compounds that interact with the metal surface to form a protective sacrificial layer.

Prevents or Minimises Wear

EP & AW additives prevent or minimise wear in circumstances where the lubricant film thickness has degraded such as; Decrease in viscosity (e.g. due to temperature increase), reduction in speed and increase in bearing load.

AW agents create a sacrificial layer under normal operating conditions. EP agents are activated when exposed to high temperatures & pressures.


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