HTS 3811: Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils
6 codes. Pick one to see its duty from every country of origin. From the USITC schedule, Revision 20 (2026).
3811.11: Based on lead compounds
- 3811.11.10Antiknock preparations based on tetraethyl leadRegular dutyFree
- 3811.11.50Antiknock preparations based on other lead compoundsRegular dutyFree
- 3811.19.00Antiknock preparations not based on leadRegular duty6.5%
- 3811.21.00Additives for lubricating oils containing petroleum oilsRegular duty6.5%
- 3811.29.00Additives for lubricating oils not containing petroleum oilsRegular duty6.5%
- 3811.90.00Other additives for fuels and mineral oils (not antiknock or lube)Regular duty6.5%