Subheading · Chapter 38 · Heading 3815

3815.12

3815.12: With precious metal or precious-metal compounds as the active substance

Precious metal supported catalysts

3815.12 is the HS subheading for precious metal supported catalysts, under heading 3815 in chapter 38.

What you pay

Importing into UK

Customs duty 6% standard rate · across 3 national lines depends on the country of origin
Additional duties and charges 4 additional measures Import requirements: 4
VAT 20.00 % import VAT
Duty calculatorCalculate duty and taxes →

Rates by national line · UK Global Tariff

UK lines →
  1. 3815 12 00 00 With precious metal or precious-metal compounds as the active substance 6%
  2. 3815 12 00 40 Catalyst used to obtain paraxylene and orthoxylene by isomerisation of methaxylene containing by weight: -60% or more but not more than 95% of aluminum oxide (cas rn 1344-28-1), -5% or more but not more than 15% of aluminosilicate (cas rn 1327-36-2), -not more than 2% of platinum (cas rn 7440-06-4), -not more than 2% aluminum chloride hydroxide (cas rn 12042-91-0), -not more than 0.2% of hydrogen sulfide (cas rn 7783-06-4) 6%
  3. 3815 12 00 50 Catalyst in the form of granules, wheels or ring-shaped structures -of a diameter of 3 mm or more, but not exceeding 10 mm, -containing 8% or more but not more than 40% by weight of silver -on a carrier based on aluminium oxide, -with one or more promoters 6%
  4. 3815 12 00 90 Other 6%

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 4

  • Additional dutyAdditional duties 35%
    Applies to goods from
    Belarus, Russia
    Legal act
    2022 No. 598
    Documents
    • 9014
  • 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 tariff suspension Free
    Applies to goods from
    all countries
    In force
    until 31 December 2028
    Legal act
    2020 No. 1435
    Documents
    • 9Y12
    Tariff lines
    on 2 of 3 lines
  • 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 1 of 3 lines

Import requirements 4

  • Prohibition or restrictionImport prohibition
    Applies to goods from
    North Korea
    Legal act
    S.I. 2019/411
  • Import controlRestriction on entry into free circulation
    Applies to goods from
    Ukraine
    Legal act
    S.I. 2022/395
    Documents
    • 9009
    • 9010
    • 9017
  • Import controlImport control on restricted goods and technologies
    Applies to goods from
    Iran, North Korea
    Legal act
    S.I. 2019/461, S.I. 2019/411
    Documents
    • Y966 Goods other than those described in the MG footnotes linked to the measure (Missile Technology Control Regime list - Annex III of Reg. (EU) 267/2012)
    • Y920 Goods other than those described in the footnotes linked to the measure
  • Import controlImport control - Waste
    Applies to goods from
    all countries
    Legal act
    S.I. 2019/590
    Documents
    • C672 Information document accompanying shipments of waste as mentioned in Regulation (EU) 2024/1157 – Article 18 and Annex VII
    • C669 Notification document as mentioned in Regulation (EU) 2024/1157 - Article 5 and Annex IA
    • Y923 Product not subjected to the provisions of Regulation (EU) 2024/1157
    • C670 Movement document as mentioned in Regulation (EU) 2024/1157 – Article 5 and Annex IB

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—6%
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£85.4m+62.2% · previous 12 months
Average import price£66.81 per kg
Jan 2024: £4.6mFeb 2024: £3.6mMar 2024: £3.9mApr 2024: £6.4mMay 2024: £2.4mJun 2024: £4.1mJul 2024: £5.9mAug 2024: £3.3mSept 2024: £3.7mOct 2024: £4.9mNov 2024: £5.4mDec 2024: £5.8mJan 2025: £3.1mFeb 2025: £2.2mMar 2025: £5.9mApr 2025: £7.7mMay 2025: £3.2mJun 2025: £3.1mJul 2025: £2.9mAug 2025: £4.7mSept 2025: £4.9mOct 2025: £3.3mNov 2025: £3.4mDec 2025: £6.5mJan 2026: £5.6mFeb 2026: £4.6mMar 2026: £9.8mApr 2026: £20.8mMay 2026: £5.8mJun 2026: £10.1mJul 2026: £3.5mAug 2026: £7.1m 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
United States £32.7m 38.3% +46.3%
France £28.5m 33.4% +413.4%
Germany £14.7m 17.2% +29.2%
India £2.5m 2.9% -43.2%
North Macedonia £2.3m 2.7% +84.4%
Ireland £1.1m 1.3% +10%
Italy £964k 1.1% -64%
Poland £699k 0.8% -0.8%

Same subheading in other tariffs

World trade in 2024

3815.12 · US$11.8bn

Trade value (US$) no reported trade < US$3mUS$3m+US$56.3m+US$402.2m+> US$1.7bn

Exports: 81
  1. Germany: US$2.3bn
  2. United States: US$1.8bn
  3. North Macedonia: US$1.7bn
  4. Poland: US$1.5bn
  5. Canada: US$599m
  6. Sweden: US$475.4m
  7. Japan: US$472m
  8. France: US$402.2m
  9. Italy: US$341.1m
  10. China: US$323.1m
  11. Belgium: US$294.4m
  12. Thailand: US$218.8m
  13. Malaysia: US$216.5m
  14. United Kingdom: US$157m
  15. South Africa: US$145m
  16. Saudi Arabia: US$132.7m
  17. Netherlands: US$112.6m
  18. Czechia: US$94.8m
  19. Argentina: US$59.6m
  20. India: US$56.3m
  21. Mexico: US$54.7m
  22. Indonesia: US$53m
  23. Brazil: US$39.9m
  24. Taiwan: US$38.9m
  25. South Korea: US$23m
  26. Spain: US$19.4m
  27. Portugal: US$18.4m
  28. Switzerland: US$12.4m
  29. Estonia: US$11.2m
  30. Denmark: US$10.5m
  31. Uzbekistan: US$9.7m
  32. Hong Kong SAR China: US$7.1m
  33. Türkiye: US$6.9m
  34. Austria: US$5m
  35. Kuwait: US$3.9m
  36. Russia: US$3.8m
  37. New Zealand: US$3.4m
  38. Singapore: US$3.4m
  39. Luxembourg: US$3m
  40. Macao SAR China: US$2.8m
  41. Slovenia: US$2.7m
  42. Slovakia: US$2.7m
  43. Finland: US$2.4m
  44. Bulgaria: US$2m
  45. Norway: US$1.9m
  46. Greece: US$1.8m
  47. Egypt: US$1.3m
  48. Australia: US$1.1m
  49. Romania: US$1.1m
  50. Colombia: US$748.7k
  51. Ireland: US$701.5k
  52. Latvia: US$516.8k
  53. Cyprus: US$488.6k
  54. Hungary: US$422.4k
  55. Zambia: US$367k
  56. Pakistan: US$346.9k
  57. Croatia: US$341.1k
  58. Vietnam: US$229.2k
  59. Peru: US$74k
  60. Nigeria: US$63.2k

Top exporters

RankCountryValueShare
1 Germany US$2.3bn 19.8%
2 United States US$1.8bn 15.1%
3 North Macedonia US$1.7bn 14.5%
4 Poland US$1.5bn 12.7%
5 Canada US$599m 5.1%
6 Sweden US$475.4m 4%
7 Japan US$472m 4%
8 France US$402.2m 3.4%
9 Italy US$341.1m 2.9%
10 China US$323.1m 2.7%

Top importers

RankCountryValueShare
1 Germany US$3.2bn 27.5%
2 Mexico US$1.1bn 9%
3 Czechia US$985.9m 8.4%
4 United States US$946.7m 8.1%
5 China US$628.1m 5.3%
6 Portugal US$506.6m 4.3%
7 Poland US$503.9m 4.3%
8 Thailand US$343.6m 2.9%
9 Japan US$327.3m 2.8%
10 Romania US$254.4m 2.2%

Binding rulings for similar goods 2

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • 600015571 HMRC 19 June 2026 – 18 June 2029 · 3815 12 00 90

    Catalytic preparation of platinum group metal (PGMs) deposited on a carbon support platinum nanoparticles dispersed on a high surface area carbon support used to accelerate electrochemical and chemical reactions in applications Packaging: metal drums

  • 600015572 HMRC 19 June 2026 – 18 June 2029 · 3815 12 00 90

    Catalytic preparation of platinum group metal (PGMs) deposited on a carbon support platinum or platinum alloy nanoparticles dispersed on a high surface area carbon support used to accelerate electrochemical and chemical reactions in applications Packaging: metal drums

The UK Global Tariff divides subheading 3815.12 into 3 tariff lines; the duty is 6%.

Subheading 3815.12 is a single line in the EU Combined Nomenclature, where the duty is 6.5%.

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 6%.

In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.

Imports of precious metal supported catalysts into the UK came to £85.4m between September 2025 and August 2026 (up 62% on the year before); United States supplied 38%, followed by France.

In 2024, countries exported precious metal supported catalysts worth US$11.8bn (−26.3% year on year).

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

Questions and answers

What is the HS code for with precious metal or precious-metal compounds as the active substance?

With precious metal or precious-metal compounds as the active substance fall under HS subheading 3815.12, part of heading 3815, in section VI of the Harmonized System.

What is the import duty on with precious metal or precious-metal compounds… in the UK?

Under the UK Global Tariff, imports under 3815.12 from countries without a preferential agreement are charged at 6%. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on with precious metal or precious-metal compounds… in the EU?

Under the EU Combined Nomenclature, imports under 3815.12 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most with precious metal or precious-metal compounds…?

Germany, with US$2.3bn in 2024 (19.8% of world exports).

Which countries can export precious metal supported catalysts 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 6% applies. Pick a country above to see its rate.

Is there anti-dumping duty on precious metal supported catalysts?

The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.

Where does the UK import precious metal supported catalysts from?

In the 12 months to August 2026, the largest suppliers were United States (38%), France (33%) and Germany (17%), out of total imports of £85.4m.