Sao Tome and Principe HS CodeHS Code 381111: Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds in Sao Tome and Principe
What is HS Code 381111 in Sao Tome and Principe
Under Sao Tome and Principe's Pauta Aduaneira (Pauta Aduaneira), HS Code 381111 is the WCO Harmonized System subheading for Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds. This is the most detailed internationally standardized level; Sao Tome and Principe extends classifications to 8 digits under its national tariff system. 381111 belongs to Section VI: Products of the chemical or allied industries, Chapter 38: Miscellaneous chemical products, Heading 3811: Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils.
Explore more 2026 Latest Sao Tome and Principe import export trade data and shipment records for HS Code Leaded Anti-Knock Additives on TradeInt global trade data platformClassification Path of HS Code 381111 in Sao Tome and Principe
Sao Tome and Principe Tariff Classification: Pauta Aduaneira (HS-ST)
In Sao Tome and Principe, HS 381111 is classified under the Pauta Aduaneira (Pauta Aduaneira) — a 8-digit national extension of the WCO 6-digit Harmonized System.
Tariff schedule Pauta Aduaneira (HS-ST)
Local name Pauta Aduaneira
Digits 8
Official source https://www.alfandegas.gov.st/
Top Trading Product of HS Code 3811
Top Sao Tome and Principe import Product Under HS Code 3811
1 381190: Other $5.7K2 381129: Additives for lubricating oils : Other $1.6K3 381121: Additives for lubricating oils : Containing petroleum oils or oils obtained from bituminous minerals $145Figures shown for 2023.
For more 2026 recent data, search for Sao Tome and Principe import trade recordsRelated HS Code to Sao Tome and Principe Leaded Anti-Knock Additives (381111)
HS Code 38111100
Preparações antidetonantes, inibidores de oxidação, aditivos peptizantes, beneficiadores de viscosidade, aditivos anticorrosivos e outros aditivos preparados, para óleos minerais (incluindo a gasolina) ou para outros líquidos utilizados para os mesmos fins que os óleos minerais: Preparações antidetonantes: À base de compostos de chumbo
HS Code 381119
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Other
HS Code 381121
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Additives for lubricating oils : Containing petroleum oils or oils obtained from bituminous minerals
HS Code 381129
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Additives for lubricating oils : Other
HS Code 381190
Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Other
HS Code 380110
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Artificial graphite
HS Code 380120
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Colloidal or semicolloidal graphite
HS Code 380130
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Carbonaceous pastes for electrodes and similar pastes for furnace linings
HS Code 380190
Artificial graphite; colloidal or semicolloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures : Other
HS Code 380210
Activated carbon; activated natural mineral products; animal black, including spent animal black : Activated carbon
Frequently Asked Questions
What is HS code 381111 in Sao Tome and Principe?
HS code 381111 covers Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils : Antiknock preparations : Based on lead compounds in Sao Tome and Principe. It sits in Chapter 38 (Miscellaneous chemical products), Heading 3811 of the Harmonized System, and is classified under HS-ST.
Is HS code 381111 the same across all countries?
What system does Sao Tome and Principe use to classify HS code 381111?
Where can I officially look up HS code 381111 in Sao Tome and Principe?