Heading · Chapter 38
3811: Anti-knock 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 make up heading 3811 in chapter 38 (miscellaneous chemical products).
Duty rates compared
UK 4% – 6% Third-country duty 57 tariff lines · average 4% 
EU 5.3% – 6.5% Third-country duty 6 tariff lines · average 5.8% 
Türkiye 5.3% – 6.5% Third-country duty 11 tariff lines · average 5.8% 
USA Free – 6.5% General (MFN) 6 tariff lines · average 4.3% 
Canada Free General (MFN) 7 tariff lines 
Mexico Free – 15% General (MFN) 16 tariff lines · average 2.8% 
Brazil Free – 12.6% General (MFN) 13 tariff lines · average 8.7% 
Argentina Free – 12.6% General (MFN) 27 tariff lines · average 6.1% 
Peru Free General (MFN) 7 tariff lines 
New Zealand Free General (MFN) 5 tariff lines 
Japan Free General (MFN) 6 tariff lines 
Taiwan Free – 2.5% General (MFN) 5 tariff lines · average 0.5% 
GCC 5% General (MFN) 6 tariff lines 
Switzerland Free General (MFN) 6 tariff lines 
Norway Free General (MFN) 5 tariff lines 
North Macedonia 5% – 6% General (MFN) 6 tariff lines · average 5.5% 
Nigeria 10% General (MFN) 5 tariff lines Subheadings 5
- 3811.11Based on lead compounds
- 3811.19Anti-knock preparations, oxidation inhibitors: anti-knock preparations, other
- 3811.21Containing petroleum oils or oils obtained from bituminous mineralsLubricating oil additives (with petroleum oil)
- 3811.29Additives for lubricating oils: other
- 3811.90Anti-knock preparations, oxidation inhibitors: otherOther fuel and oil additives
EU: imports by month
World trade in 2024
Trade value (US$) no reported trade < US$470kUS$470k+US$12m+US$167m+> US$998m
Exports: 145
- United States: US$3.1bn
- France: US$2.5bn
- Singapore: US$2bn
- Italy: US$1.2bn
- Germany: US$998m
- Belgium: US$949m
- China: US$939m
- India: US$407m
- Japan: US$280m
- Netherlands: US$246m
- United Kingdom: US$232m
- South Korea: US$196m
- Canada: US$186m
- Mexico: US$167m
- Brazil: US$86m
- United Arab Emirates: US$75m
- Spain: US$46m
- Australia: US$34m
- Slovakia: US$28m
- Taiwan: US$28m
- Thailand: US$27m
- Austria: US$26m
- Russia: US$24m
- Switzerland: US$24m
- Azerbaijan: US$24m
- Sweden: US$22m
- Poland: US$18m
- Denmark: US$17m
- South Africa: US$16m
- Czechia: US$16m
- Hungary: US$13m
- Greece: US$13m
- Hong Kong SAR China: US$13m
- Türkiye: US$13m
- Philippines: US$12m
- Malaysia: US$12m
- Senegal: US$11m
- Indonesia: US$11m
- Saudi Arabia: US$10m
- Lithuania: US$9m
- Norway: US$8m
- Belarus: US$7m
- Slovenia: US$6m
- Romania: US$6m
- Colombia: US$6m
- Portugal: US$5m
- Croatia: US$5m
- Latvia: US$4m
- Guatemala: US$3m
- Kazakhstan: US$3m
- Serbia: US$3m
- Egypt: US$3m
- Vietnam: US$3m
- New Zealand: US$2m
- Israel: US$2m
- Chile: US$2m
- Finland: US$2m
- Argentina: US$1m
- Estonia: US$1m
- Ukraine: US$1m
Trade value (US$) no reported trade < US$4mUS$4m+US$27m+US$194m+> US$513m
Imports: 213
- China: US$988m
- Singapore: US$882m
- Belgium: US$858m
- United States: US$816m
- France: US$814m
- Germany: US$794m
- South Korea: US$513m
- Italy: US$510m
- United Arab Emirates: US$474m
- Netherlands: US$432m
- Canada: US$423m
- Japan: US$407m
- Mexico: US$395m
- India: US$364m
- Brazil: US$348m
- Indonesia: US$321m
- Thailand: US$297m
- Spain: US$296m
- Türkiye: US$283m
- Saudi Arabia: US$219m
- Australia: US$211m
- United Kingdom: US$194m
- Russia: US$192m
- Malaysia: US$191m
- South Africa: US$186m
- Argentina: US$181m
- Egypt: US$141m
- Poland: US$139m
- Vietnam: US$125m
- Taiwan: US$116m
- Colombia: US$98m
- Sweden: US$82m
- Algeria: US$81m
- Peru: US$74m
- Pakistan: US$64m
- Greece: US$64m
- Hong Kong SAR China: US$62m
- Austria: US$62m
- Chile: US$62m
- Philippines: US$55m
- Morocco: US$54m
- Nigeria: US$53m
- Kazakhstan: US$52m
- Hungary: US$48m
- Switzerland: US$46m
- Kenya: US$43m
- Romania: US$39m
- Ecuador: US$39m
- Finland: US$36m
- Lithuania: US$34m
- Israel: US$33m
- Panama: US$32m
- Azerbaijan: US$31m
- Tunisia: US$27m
- Denmark: US$27m
- Angola: US$27m
- Iraq: US$24m
- Kuwait: US$24m
- El Salvador: US$22m
- Portugal: US$22m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$3.1bn | 21.9% |
| 2 |  France | US$2.5bn | 17.8% |
| 3 |  Singapore | US$2bn | 14.4% |
| 4 |  Italy | US$1.2bn | 8.2% |
| 5 |  Germany | US$998m | 7.1% |
| 6 |  Belgium | US$949m | 6.7% |
| 7 |  China | US$939m | 6.7% |
| 8 |  India | US$407m | 2.9% |
| 9 | Japan | US$280m | 2% |
| 10 |  Netherlands | US$246m | 1.7% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$988m | 7% |
| 2 | Singapore | US$882m | 6.3% |
| 3 | Belgium | US$858m | 6.1% |
| 4 | United States | US$816m | 5.8% |
| 5 | France | US$814m | 5.8% |
| 6 | Germany | US$794m | 5.6% |
| 7 |  South Korea | US$513m | 3.6% |
| 8 | Italy | US$510m | 3.6% |
| 9 |  United Arab Emirates | US$474m | 3.4% |
| 10 | Netherlands | US$432m | 3.1% |
In the UK Global Tariff, heading 3811 covers 57 tariff lines and the duty is between 4% and 6%.
The EU Combined Nomenclature divides heading 3811 into 6 tariff lines; the duty is between 5.3% and 6.5% (average 5.8%).
In the Turkish Customs Tariff Schedule, heading 3811 covers 11 tariff lines and the duty is between 5.3% and 6.5%.
The Harmonized Tariff Schedule of the United States divides heading 3811 into 6 tariff lines; the duty is between 0% and 6.5% (average 4.3%). 2 of them are duty-free.
In the Customs Tariff of Canada, heading 3811 covers 7 tariff lines and the duty is duty-free.
The Mexican Tariff (TIGIE) divides heading 3811 into 16 tariff lines; the duty is between 0% and 15% (average 2.8%). 9 of them are duty-free.
In the Brazilian Tariff (NCM/TEC), heading 3811 covers 13 tariff lines and the duty is between 0% and 12.6%. 4 of them are duty-free.
The Argentine Tariff (NCM-SIM) divides heading 3811 into 27 tariff lines; the duty is between 0% and 12.6% (average 6.1%). 14 of them are duty-free.
In the Customs Tariff of Peru, heading 3811 covers 7 tariff lines and the duty is duty-free.
The Working Tariff Document of New Zealand divides heading 3811 into 5 tariff lines; the duty is duty-free.
In the Customs Tariff Schedules of Japan, heading 3811 covers 6 tariff lines and the duty is duty-free.
The Customs Import Tariff of Taiwan divides heading 3811 into 5 tariff lines; the duty is between 0% and 2.5% (average 0.5%). 4 of them are duty-free.
In the GCC Common Customs Tariff, heading 3811 covers 6 tariff lines and the duty is 5%.
The Swiss Customs Tariff (Tares) divides heading 3811 into 6 tariff lines; the duty is duty-free.
In the Customs Tariff of Norway, heading 3811 covers 5 tariff lines and the duty is duty-free.
The Customs Tariff of North Macedonia divides heading 3811 into 6 tariff lines; the duty is between 5% and 6% (average 5.5%).
In the ECOWAS Common External Tariff (Nigeria), heading 3811 covers 5 tariff lines and the duty is 10%.
World trade in heading 3811 goods reached US$14.1bn in 2024, down 2.2% on 2023.
The United States was the largest exporter with 21.9% of the total, ahead of France.
China imported the most (US$988m).
The United Kingdom ranked 11th among 145 exporters with US$232m.
The United Kingdom imported US$194m.
Products classified here
Questions and answers
What is the HS code for anti-knock 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?
Anti-knock 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 fall under HS heading 3811, part of chapter 38, in section VI of the Harmonized System.
What is the import duty on anti-knock preparations, oxidation inhibitors… in the UK?
Under the UK Global Tariff, imports under 3811 from countries without a preferential agreement are charged at 4% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on anti-knock preparations, oxidation inhibitors… in the EU?
Under the EU Combined Nomenclature, imports under 3811 from countries without a preferential agreement are charged at 5.3% to 6.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most anti-knock preparations, oxidation inhibitors…?
The United States, with US$3.1bn in 2024 (21.9% of world exports).