… Anti-knock preparations, oxidation inhibitors, gum inhibitors, … viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for …
Explanatory notes
… other liquids used for the same purposes to eliminate or reduce undesirable properties, or to impart or enhance … (a) Anti‑knock preparations which increase the resistance of fuels to premature ignition and thus prevent … quantities to motor fuels or lubricants, for example, for reducing wear on engine cylinders, are excluded ( heading …