Thanks… Next question. EP additives is on the Stribeck curve. I understand EP is a sacrificial layer. What oil additive does this?ZDDP contains sulfur aswell, doesn't make that an EP additive. It is also heat activated. I, not being a tribologist consider MoS1 first a friction modifier, as I would graphite. Calcium sulfonate on the other hand....
Lubrication Regimes Explained
Pay close attention to lubrication regimes for extending machine and lubricant life. Contamination and fluid film sizes impact friction and wear.