|
ADDITIVE TYPE
|
PURPOSE
|
|
POUR POINT DEPRESSANT
|
Enable lubricant to flow at low temperatures
|
|
VISCOSITY MODIFIER
|
Reduce the rate of viscosity change with temperature
|
|
ANTIFOAMANT
|
Prevent lubricant from foaming a persistent foam
|
|
ANTIOXIDANT
|
Retard oxidative decomposition
|
|
ANTIWEAR AND EP AGENT
|
Reduce friction & wear and prevent scoring & seizure
|
|
CORRISION AND RUST INHIBITOR
|
Prevent corrosion and rusting of metal parts in contact with the lubricant
|
|
DETERGENT
|
Keep surfaces free of deposits
|
|
DISPERSANT
|
Keep insoluble contaminants dispersed in the lubricant
|
|
FRICTION MODIFIER
|
Alter coefficient of friction
|
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