Heading 38.11
US HTSAntiknock 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
5 subheadings · 6 tariff lines
Code / DescriptionMFN Rate
3811.19.00Antiknock preparations based on other than lead compounds
6.5%Code / DescriptionMFN Rate
3811.29.00Additives for lubricating oils, nesoi
6.5%Source: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.