About Additives
Additive TypePour Point Depressant
PurposeEnable lubricant to flow at low temperatures
  
Additive TypeViscosity Modifier
PurposeReduce tge rate of viscosity change with temperature
  
Additive TypeAntifoamant
PurposePrevent lubricant from forming a persistent foam
  
Additive TypeAntioxidant
PurposeRetard oxidative decomposition
  
Additive TypeAntiwear and EP Agent
PurposeReduce friction and wear and prevent scoring and seizure
  
Additive TypeCorrision and Rust Inhibitor
PurposePrevent corrosion and rusting of metal parts in contact with the lubricant
  
Additive TypeDetergent
PurposeKeep surfaces free of deposits
  
Additive TypeDispersant
PurposeKeep insoluble contaiminants dispersed in the lubricant
  
Additive TypeFriction Modifier
PurposeAlter coefficient of friction