Technical articles and insights for the Engine & Drivetrain Lubricants industry.
Calcium sulfonate and calcium phenate are the two workhorse overbased detergents in engine oils. The difference sits in the polar head: sulfonates…
An engine oil additive package contains detergents, dispersants, antiwear, antioxidants, and more — all pre-blended and tested together. Learn what's inside and…
Viscosity index improvers are the polymers that make multi-grade oils possible. Learn how OCP, PMA, and HSD VIIs work, how shear stability…
Detergents neutralise acids; dispersants suspend soot. Both are essential engine oil additives — but they do different jobs. This guide explains the…
ZDDP (zinc dialkyldithiophosphate) is the most widely used antiwear additive in engine oil. Learn how it works, why phosphorus limits matter, and…
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