Subheading · Chapter 38 · Heading 3811

3811.21

3811.21: Containing petroleum oils or oils obtained from bituminous minerals

Lubricating oil additives (with petroleum oil)

3811.21 is the HS subheading for lubricating oil additives (with petroleum oil), under heading 3811 in chapter 38.

What you pay

Importing into UK

Customs duty 4% standard rate · across 35 national lines depends on the country of origin
Additional duties and charges 4 additional measures Import requirements: 1
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 3811 21 00 00 Containing petroleum oils or oils obtained from bituminous minerals 4%
  2. 3811 21 00 11 Dispersing agent and oxidation inhibitor containing : - o-amino polyisobutylenephenol (cas rn 78330-13-9), - more than 30% by weight but not more than 50% by weight of mineral oils, used in the manufacture of blends of additives for lubricating oils 4%
  3. 3811 21 00 12 Dispersing agent containing : - esters of polyisobutenyl succinic acid and pentaerythritol (cas rn 103650-95-9), - 35% or more but not more than 55% by weight of mineral oils and - with a chlorine content of not more than 0.05% by weight, used in the manufacture of blends of additives for lubricating oils 4%
  4. 3811 21 00 13 Additives containing : - borated magnesium (c16-c24) alkylbenzene sulphonates and - mineral oils, having a total base number (tbn) of more than 250, but not more than 350, for use in the manufacture of lubricating oils 4%
  5. 3811 21 00 14 Dispersing agent : - containing polyisobutene succinimide derived from reaction products of polyethylenepolyamines with polyisobutenyl succinic anhydride (cas rn 147880-09-9), - containing 35% or more but not more than 55% by weight of mineral oils, - with a chlorine content by weight of not more than 0.05%, - having a total base number of less than 15, used in the manufacture of blends of additives for lubricating oils 4%
  6. 3811 21 00 16 Detergent containing : - calcium salt of beta-aminocarbonyl alkylphenol (reaction product mannich base of alkylphenol) - 40% or more but not more than 60% by weight of mineral oils and - having a total base number more than 120 used in the manufacture of blends of additives for lubricating oils 4%
  7. 3811 21 00 19 Additives containing: - a polyisobutylene succinimide based mixture, and - more than 30% but not more than 50% by weight of mineral oils, having a total base number of more than 40, for use in the manufacture of lubricating oils 4%
  8. 3811 21 00 20 Additives for lubricating oils, based on complex organic molybdenum compounds, in the form of a solution in mineral oil 4%
  9. 3811 21 00 21 Additive containing by weight: -90% or more but not more than 97% of reaction products of butyl-cyclohex-3-enecarboxylate and sulphur (cas rn 160305-95-3), -3% or more but not more than 10% of mineral oil, for use in the manufacture of blends of additives for lubricating oils 4%
  10. 3811 21 00 22 Additive consisting essentially of: -polyisobutenyl succinic anhydride (cas rn 192662-34-3) reaction product with n,n-diethylaminoethanol (cas rn 100-37-8), -25% or more by weight, but not more than 40% by weight of mineral oil, used in the manufacture of blends of additives for lubricating oils 4%
  11. 3811 21 00 24 Additive consisting essentially of: -polyisobutenyl succinic anhydride reaction product with polyethylenepolyamines, borated (cas rn 134758-95-5), with a chlorine content by weight of 0.05% or more but not more than 0.25% and a total base number (tbn) of more than 20, -45% and more by weight and no more than 55% by weight of mineral oil, used in the manufacture of blends of additives for lubricating oils 4%
  12. 3811 21 00 25 Additives containing: - a (c8-18) alkyl polymethacrylate copolymer with n-[3-(dimethylamino)propyl]methacrylamide, of an average molecular weight (mw) of more than 10.000 but not more than 20.000, and - more than 15% , but not more than 30% by weight of mineral oils, for use in the manufacture of lubricating oils 4%
  13. 3811 21 00 26 Additive consisting essentially of: -phosphorodithioic acid, mixed o,o-bis (1.3-dimethylbutyl and isopropyl) esters, zinc salts (cas rn 84605-29-8), -7% or more by weight but not more than 12% by weight of mineral oil, used in the manufacture of blends of additives for lubricating oils 4%
  14. 3811 21 00 27 Additives containing: -10% or more by weight of an ethylene-propylene copolymer chemically modified by succinic anhydride groups reacted with 3-nitroaniline, and -mineral oils, for use in the manufacture of lubricating oils 4%
  15. 3811 21 00 28 Additive consisting essentially of: -zinc bis(o,o-bis(2-ethylhexyl)) bis (dithiophosphate) (cas rn 4259-15-8); -triphenyl phosphite (cas rn 101-02-0) more than 0.5% by weight but not more than 6% by weight, -o,o,o-triphenyl phosphorothioate (cas rn 597-82-0) more than 0.5% by weight but not more than 6% by weight, and not more than 7.5% by weight of the combination of triphenylphosphorus compounds -10% or more by weight but not more than 20% by weight of mineral oils, used in the manufacture of blends of additives for lubricating oils 4%
  16. 3811 21 00 29 Additive containing by weight: -25% or more but not more than 40% of calcium c16-24 alkylbenzenesulphonates (cas rn 70024-69-0), -30% or more but not more than 65% of mineral oils, for use in the manufacture of blends of additives for lubricating oils 4%
  17. 3811 21 00 30 Additives for lubricating oils, containing mineral oils, consisting of calcium salts of reaction products of polyisobutylene substituted phenol with salicylic acid and formaldehyde, used as a concentrated additive for the manufacture of engine oils through a blending process 4%
  18. 3811 21 00 32 Additive consisting essentially of: -zinc o,o,o',o'-tetrakis (1.3-dimethylbutyl) bis(phosphorodithioate) (cas rn 2215-35-2), -4% or more by weight but not more than 12% by weight of mineral oil, used in the manufacture of blends of additives for lubricating oils 4%
  19. 3811 21 00 33 Additives containing: - calcium salts of heptylphenol reaction products with formaldehyde (cas rn 84605-23-2), and - mineral oils, having a total base number (tbn) of more than 40 but not more than 100, for use in the manufacture of lubricating oils or overbased detergents for use in lubricating oils 4%
  20. 3811 21 00 34 Detergent containing: -benzenesulfonic acid, methyl-, mono-c20-24-branched alkyl derivs., calcium salts (cas rn 722503-68-6), -more than 30% but not more than 60% by weight of mineral oils, and, -having a total base number of more than 310 but not more than 340, used in the manufacture of blends of additives for lubricating oils 4%
  21. 3811 21 00 37 Additives containing: - a styrene-maleic anhydride copolymer esterified with c4-c20 alcohols, modified by aminopropylmorpholine, and - more than 50% but not more than 75% by weight of mineral oils, for use in the manufacture of lubricating oils 4%
  22. 3811 21 00 38 Solution of mineral oils (cas rn 64742-52-5, 64742-53-6, 64742-56-9 or blends thereof) containing by weight: -25% or more but not more than 55% of the barium, calcium, magnesium or zinc salt of dinonylnaphthylsulphonic acid (cas rn 25619-56-1, 28015-99-8, 28016-00-4, or 57855-77-3) -whether or not, not more than 25% of the barium, calcium, magnesium or zinc salt of a mixture of c3-c24 carboxylic acids (cas rn 68990-37-4) 4%
  23. 3811 21 00 48 Additives containing: - overbased magnesium (c20-c24) alkylbenzenesulphonates (cas rn 231297-75-9) and - by weight more than 25% but not more than 50% of mineral oils, - having a total base number of more than 350, but not more than 450, for use in the manufacture of lubricating oils or for use in the manufacture of blends of additives for lubricating oils 4%
  24. 3811 21 00 53 Additives containing: - overbased calcium petroleum sulphonates (cas 68783-96-0) with a sulphonate content by weight of 15% or more, but not more than 30% and - by weight more than 40% but not more than 60% of mineral oil, having a total base number of 280 or more but not more than 420,for use in the manufacture of lubricating oils 4%
  25. 3811 21 00 55 Additives containing: - low base number calcium polypropylbenzenesulphonate (cas rn 75975-85-8) and - by weight more than 40% but not more than 60% mineral oils, having a total base number of more than 10 but not more than 25, for use in the manufacture of lubricating oils 4%
  26. 3811 21 00 60 Additives for lubricating oils, containing mineral oils, - based on calcium polypropylenyl substituted benzenesulphonate (cas rn 75975-85-8) with a content by weight of 25% or more but not more than 35%, - with a total base number (tbn) of 280 or more but not more than 320, used as a concentrated additive for the manufacture of engine oils through a blending process 4%
  27. 3811 21 00 63 Additives containing: - an overbased mixture of calcium petroleum sulphonates (cas rn 61789-86-4) and synthetic calcium alkylbenzenesulphonates (cas rn 68584-23-6 and cas rn 70024-69-0) with a total sulphonate content by weight of 15% or more, but not more than 25% and - by weight more than 40% but not more than 60% of mineral oils, having a total base number of 280 or more but not more than 320, for use in the manufacture of lubricating oils 4%
  28. 3811 21 00 65 Additives containing: - a polyisobutylene succinimide based mixture (cas rn 160610-76-4), and - more than 35% but not more than 50% by weight of mineral oils, having a sulphur content of more than 0.7% but not more than 1.3% by weight, having a total base number of more than 8, for use in the manufacture of lubricating oils 4%
  29. 3811 21 00 70 Additives for lubricating oils, - containing polyisobutylene succinimide derived from reaction products of polyethylenepolyamines with polyisobutenyl succinic anhydride (cas rn 84605-20-9), - containing mineral oils, - with a chlorine content by weight of 0.05% or more but not more than 0.25%, - with a total base number (tbn) of more than 20, used as a concentrated additive for the manufacture of engine oils through a blending process 4%
  30. 3811 21 00 73 Additives containing: - borated succinimide compounds (cas rn 134758-95-5), - mineral oils, and - having a total base number (tbn) greater than 40, for use in the manufacture of additive mixtures for lubricating oils 4%
  31. 3811 21 00 75 Additives containing: - calcium (c10-c14) dialkylbenzenesulfonates, - more than 40%, but not more than 60% by weight of mineral oils, with a total base number of not more than 10, for use in the manufacture of blends of additives for lubricating oils 4%
  32. 3811 21 00 77 Antifoam additives consisting of: - a copolymer of 2-ethylhexyl acrylate and ethyl acrylate, and - more than 50% but not more than 80% by weight of mineral oils for use in the manufacture of additive blends for lubricating oils 4%
  33. 3811 21 00 80 Additives containing : - polyisobutylene aromatic polyamine succinimide, - more than 40% but not more than 60% by weight of mineral oils, with a nitrogen content of more than 0.6% but not more than 0.9% by weight, for use in the manufacture of additive blends for lubricating oils 4%
  34. 3811 21 00 83 Additives containing: - polyisobutene succinimide derived from reaction of polyethylenepolyamines with polyisobutenyl succinic anhydride (cas rn 84605-20-9), - containing more than 31.9% but not more than 43.3% by weight of mineral oils, - not more than 0.05% by weight chlorine, and - having a total base number (tbn) greater than 20, for use in the manufacture of additives blends for lubricating oils 4%
  35. 3811 21 00 85 Additives, - containing more than 20% but not more than 45% by weight of mineral oils, - based on a mixture of branched dodecylphenol sulfide calcium salts, whether or not carbonated, for use in the manufacture of blends of additives 4%
  36. 3811 21 00 90 Other 4%

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 5

  • Duty suspensionAutonomous tariff suspension Free
    Applies to goods from
    all countries
    In force
    until 31 December 2028
    Legal act
    2020 No. 1435
    Tariff lines
    on 13 of 35 lines
  • Duty suspensionAirworthiness tariff suspension Free
    Applies to goods from
    all countries
    Legal act
    S.I. 2018/1249
    Documents
    • C119 Authorised Release Certificate — EASA Form 1 (Appendix I to Annex I to Regulation (EU) No 748/2012), or equivalent certificate
  • Duty suspensionAutonomous suspension under end-use Free
    Applies to goods from
    all countries
    In force
    until 31 December 2028
    Legal act
    2020 No. 1435
    Documents
    • N990 EUS - Authorisation for the use of end use procedure (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
    Tariff lines
    on 13 of 35 lines
  • Duty suspensionAutonomous tariff suspension Free
    Applies to goods from
    all countries
    In force
    until 30 June 2027
    Legal act
    2020 No. 1435
    Documents
    • 9Y12
    Tariff lines
    on 1 of 35 lines
  • Excise dutyExcises
    Applies to goods from
    all countries
    Tariff lines
    on 2 of 35 lines

Import requirements 1

  • Import controlRestriction on entry into free circulation
    Applies to goods from
    Russia, Ukraine
    Legal act
    2023 No. 440, S.I. 2022/395
    Documents
    • 9011
    • 9022
    • 9038
    • 9009
    • 9010
    • 9017

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—4%
DCTS Comprehensive
Afghanistan, Angola, Bangladesh, Benin and 38 more

Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia

Free
European Union (including code "EU")
Austria, Belgium, Bulgaria, Croatia and 23 more

Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden

Free
DCTS Enhanced
Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 more

Algeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu

Free
CARIFORUM
Antigua & Barbuda, Bahamas, Barbados, Belize and 10 more

Antigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago

Free
OCTs (Overseas Countries and Territories)
Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 more

Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands

Free
Central America Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama Free
SADC EPA Botswana, Eswatini, Lesotho, Mozambique, Namibia Free
Eastern and Southern Africa States Madagascar, Mauritius, Seychelles, Zimbabwe Free
CPTPP Brunei, Malaysia Free
UK–Andorra agreement Andorra Free
UK–Albania agreement Albania Free
UK–Australia agreement Australia Free
UK–Canada agreement Canada Free
UK–Switzerland agreement Switzerland Free
UK–Côte d’Ivoire agreement Côte d’Ivoire Free
UK–Chile agreement Chile Free
UK–Cameroon agreement Cameroon Free
UK–Colombia agreement Colombia Free
UK–Ceuta & Melilla agreement Ceuta & Melilla Free
UK–Ecuador agreement Ecuador Free
UK–Egypt agreement Egypt Free
UK–Fiji agreement Fiji Free
UK–Faroe Islands agreement Faroe Islands Free
UK–Georgia agreement Georgia Free
UK–Ghana agreement Ghana Free
DCTS Standard Indonesia Free
UK–Israel agreement Israel Free
UK–India agreement India Free
UK–Iceland agreement Iceland Free
UK–Jordan agreement Jordan Free
UK–Japan agreement Japan Free
UK–Kenya agreement Kenya Free
UK–South Korea agreement South Korea Free
UK–Lebanon agreement Lebanon Free
UK–Liechtenstein agreement Liechtenstein Free
UK–Morocco agreement Morocco Free
UK–Moldova agreement Moldova Free
UK–North Macedonia agreement North Macedonia Free
UK–Mexico agreement Mexico Free
UK–Norway agreement Norway Free
UK–New Zealand agreement New Zealand Free
UK–Peru agreement Peru Free
UK–Papua New Guinea agreement Papua New Guinea Free
UK–Palestinian Territories agreement Palestinian Territories Free
UK–Serbia agreement Serbia Free
UK–Solomon Islands agreement Solomon Islands Free
UK–Singapore agreement Singapore Free
UK–San Marino agreement San Marino Free
UK–Tunisia agreement Tunisia Free
UK–Türkiye agreement Türkiye Free
UK–Ukraine agreement Ukraine Free
UK–Vietnam agreement Vietnam Free
UK–Samoa agreement Samoa Free
UK–Kosovo agreement Kosovo Free
UK–South Africa agreement South Africa Free

UK: imports by month

last 12 months£110.8m+4.5% · previous 12 months
Average import price£3.67 per kg
Jan 2024: £7.7mFeb 2024: £7.9mMar 2024: £7.1mApr 2024: £8.8mMay 2024: £10.3mJun 2024: £8.7mJul 2024: £9.4mAug 2024: £9.6mSept 2024: £7.5mOct 2024: £9.2mNov 2024: £9.6mDec 2024: £5.8mJan 2025: £8.1mFeb 2025: £8.2mMar 2025: £9mApr 2025: £9mMay 2025: £10.1mJun 2025: £8.8mJul 2025: £10.8mAug 2025: £9.9mSept 2025: £6.9mOct 2025: £10.1mNov 2025: £9.2mDec 2025: £6.3mJan 2026: £8.9mFeb 2026: £8.4mMar 2026: £10.2mApr 2026: £11.6mMay 2026: £9.4mJun 2026: £11.2mJul 2026: £10.2mAug 2026: £8.5m 202420252026
Data up to August 2026 (provisional) · Monthly data: Eurostat Comext (CC BY 4.0), HMRC (OGL v3.0)

Main suppliers, last 12 months

CountryValueShareChange
France £42m 37.9% +4.1%
Italy £18.2m 16.4% -16.2%
United States £13.2m 11.9% +6.3%
Belgium £13m 11.7% +2.1%
Germany £11.2m 10.1% +21.5%
Netherlands £5.5m 4.9% +13.1%
India £1.6m 1.4% +566.8%
China £1.4m 1.3% +197.1%

Same subheading in other tariffs

World trade in 2024

3811.21 · US$10.2bn

Trade value (US$) no reported trade < US$562.8kUS$562.8k+US$5.3m+US$102.9m+> US$1.1bn

Exports: 108
  1. France: US$2.3bn
  2. United States: US$2.1bn
  3. Singapore: US$1.9bn
  4. Italy: US$1.1bn
  5. China: US$769.1m
  6. Belgium: US$717.8m
  7. Germany: US$316.5m
  8. Japan: US$182.7m
  9. India: US$167m
  10. Netherlands: US$130.1m
  11. Mexico: US$102.9m
  12. Canada: US$96.5m
  13. Brazil: US$77.8m
  14. South Korea: US$76.6m
  15. United Kingdom: US$50.7m
  16. United Arab Emirates: US$45.1m
  17. Azerbaijan: US$24.2m
  18. Thailand: US$14m
  19. Spain: US$13.7m
  20. Senegal: US$10.5m
  21. Türkiye: US$8.1m
  22. Hong Kong SAR China: US$8m
  23. Greece: US$7.1m
  24. South Africa: US$7m
  25. Poland: US$6.6m
  26. Belarus: US$6.1m
  27. Romania: US$5.3m
  28. Sweden: US$5.1m
  29. Lithuania: US$4.5m
  30. Czechia: US$3.9m
  31. Taiwan: US$3.7m
  32. Austria: US$2.7m
  33. Croatia: US$2.4m
  34. Hungary: US$2.4m
  35. Malaysia: US$2.3m
  36. Colombia: US$2.2m
  37. Russia: US$2.2m
  38. Slovenia: US$2.2m
  39. Kazakhstan: US$2m
  40. Portugal: US$1.8m
  41. Vietnam: US$1.7m
  42. Chile: US$1.7m
  43. Switzerland: US$1.4m
  44. Indonesia: US$1.3m
  45. Australia: US$1.1m
  46. Argentina: US$995.2k
  47. Denmark: US$877k
  48. Finland: US$822.6k
  49. Guatemala: US$795.3k
  50. Slovakia: US$650.2k
  51. Panama: US$615.3k
  52. Ukraine: US$578.1k
  53. Egypt: US$562.8k
  54. Peru: US$459k
  55. Morocco: US$429.8k
  56. Bulgaria: US$393.4k
  57. Estonia: US$388.6k
  58. Latvia: US$378.7k
  59. Ireland: US$374.3k
  60. Kenya: US$364.2k

Top exporters

RankCountryValueShare
1 France US$2.3bn 22%
2 United States US$2.1bn 20.2%
3 Singapore US$1.9bn 18.8%
4 Italy US$1.1bn 10.5%
5 China US$769.1m 7.5%
6 Belgium US$717.8m 7%
7 Germany US$316.5m 3.1%
8 Japan US$182.7m 1.8%
9 India US$167m 1.6%
10 Netherlands US$130.1m 1.3%

Top importers

RankCountryValueShare
1 China US$819.4m 8%
2 Singapore US$708m 6.9%
3 Germany US$652.6m 6.4%
4 Belgium US$604.2m 5.9%
5 France US$555.3m 5.4%
6 United States US$493.1m 4.8%
7 South Korea US$433.6m 4.2%
8 Italy US$421.2m 4.1%
9 United Arab Emirates US$401.9m 3.9%
10 Japan US$343.8m 3.4%

The UK Global Tariff divides subheading 3811.21 into 35 tariff lines; the duty is 4%.

Subheading 3811.21 is a single line in the EU Combined Nomenclature, where the duty is 5.3%.

174 countries pay no duty in the UK thanks to trade agreements and preference schemes such as DCTS Comprehensive and European Union, against a standard rate of 4%.

Imports of lubricating oil additives (with petroleum oil) into the UK came to £110.8m between September 2025 and August 2026 (up 5% on the year before); France supplied 38%, followed by Italy.

In 2024, countries exported lubricating oil additives (with petroleum oil) worth US$10.2bn (−0.9% year on year).

The largest exporter was France (US$2.3bn), followed by the United States.

Products classified here

Questions and answers

What is the HS code for containing petroleum oils or oils obtained from bituminous minerals?

Containing petroleum oils or oils obtained from bituminous minerals fall under HS subheading 3811.21, part of heading 3811, in section VI of the Harmonized System.

What is the import duty on containing petroleum oils or oils obtained from… in the UK?

Under the UK Global Tariff, imports under 3811.21 from countries without a preferential agreement are charged at 4%. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on containing petroleum oils or oils obtained from… in the EU?

Under the EU Combined Nomenclature, imports under 3811.21 from countries without a preferential agreement are charged at 5.3%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most containing petroleum oils or oils obtained from…?

France, with US$2.3bn in 2024 (22% of world exports).

Which countries can export lubricating oil additives (with petroleum oil) to the UK duty-free?

174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of 4% applies. Pick a country above to see its rate.

Where does the UK import lubricating oil additives (with petroleum oil) from?

In the 12 months to August 2026, the largest suppliers were France (38%), Italy (16%) and United States (12%), out of total imports of £110.8m.