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Home > HTS Codes > Chapter 38 > 3811

Custom Duty Rate for HTS Code 3811 : Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils, incl. gasoline, or for other liquids used for the same purposes as mineral oils

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
3811.11Anti-knock preparations for motor fuels based on lead compounds
3811.11.10.00Antiknock preparations based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl leadkgFree30.00%
3811.11.50.00Antiknock preparations based on lead compounds other than tetraethyl lead or tetramethyl leadkgFree30.00%
3811.19Anti-knock preparations for motor fuels (excluding those based on lead compounds)
3811.19.00.00Antiknock preparations other than those based on lead compoundskg10.00%Free (A+,AU,BH, CA,CL,CO,D,E, IL,JO, KR,MA, MX,OM,P, PA,PE,S,SG)3.7¢/kg + 60%
3811.21Prepared additives for oil lubricants containing petroleum oil or bituminous mineral oil
3811.21.00.00Additives for lubricating oils containing petroleum oils or oils obtained from bituminous mineralskg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL, JO,KR,MA, MX,OM,P, PA,PE,S,SG)60.00%
3811.29Prepared additives for oil lubricants not containing petroleum oil or bituminous mineral oil
3811.29.00.00Additives for lubricating oils not containing petroleum oils or oils obtained from bituminous mineralskg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL, JO,KR,MA, MX,OM,P, PA,PE,S,SG)30.00%
3811.90Oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives for mineral oils, incl. gasoline, or for other liquids used for the same purposes as mineral oils (excluding anti-knock preparations and oil lubricant additives)
3811.90.00.00Prepared additives for mineral oils or other liquids used for the same purposes, other than antiknock preparations or lubricating oil additiveskg10.00%Free (A+,AU,BH, CA,CL,CO,D, E,IL, JO,KR,MA, MX,OM,P, PA,PE,S,SG)3.7¢/kg + 60%

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

More HTS codes from Chapter 38

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