Technical guides on additive chemistry across lubricants, fuels, metalworking fluids, oilfield chemicals, and more.
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…
A demulsifier additive is a surface-active additive that forces emulsified water to separate out of oil. The name says what it does…
** This session may be vulnerable to "store now, decrypt later" attacks. Sulfurized isobutylene (SIB) is technically a type of sulfurized olefin…
Most lubricant additives fall under Harmonized System heading 3811: 3811.21 when the additive is carried in petroleum oil, and 3811.29 when it…
Polyisobutenylsuccinic anhydride (PIBSA) derivatives are the dominant emulsifier system for water-in-oil explosive emulsions. Molecular weight, succinimide content, and thermal stability are key…
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