Additives comprise varying proportions of finished lubricants. Metalworking fluids tend to contain the most, at 10%–40% by volume of the formulated product. Automotive engine oils follow with 15%–25% additives and grease contains anywhere from 0%–10%.
Industrial oils rely heavily on the quality of their base oil, with many using 2% additives at the most.
Additive Treat Levels
