UK Global Tariff · commodity code · HS 3815.19
3815 19 90 80: Catalyst consisting of organo-metallic compounds of magnesium and titanium, fixed on a support of silicon dioxide, in the form of a suspension in mineral oil
Other supported catalysts
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 3815 Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included
- Supported catalysts
- 3815 19 00 00 Other
- 3815 19 90 00 Other
- 3815 19 90 80 Catalyst consisting of organo-metallic compounds of magnesium and titanium, fixed on a support of silicon dioxide, in the form of a suspension in mineral oil
What you pay
Importing into UK
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 3
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 598
- Documents
- 9014
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- 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
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
- 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 scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | 6% |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, 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") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, 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 moreAntigua & 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 moreAnguilla, 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 |
Footnotes
TN207 The Democratic People’s Republic of Korea (Sanctions) (EU Exit) Regulations 2019 impose tr…
TN209 The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 impose trade restrictions on cer…
TN701 According to the Council Regulation (EU) No 692/2014 (OJ L183, p. 9), as retained in UK La…
The prohibition shall not apply in respect of:
(a) the execution until 26 September 2014, of trade contracts concluded before 25 June 2014, or of ancillary contracts necessary for the execution of such contracts, provided that the natural or legal persons, entity or body seeking to perform the contract have notified, at least 10 working days in advance, the activity or transaction to the competent authority of the Member State in which they are established.
(b) goods originating in Crimea or Sevastopol which have been made available to the Ukrainian authorities for examination, for which compliance with the conditions conferring entitlement to preferential origin has been verified and for which a certificate of origin has been issued in accordance with Regulation (EU) No 978/2012 and Regulation (EU) No 374/2014, as retained in UK Law, or in accordance with the EU-Ukraine Association Agreement
UK: imports by month · HS 3815.19
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Netherlands | £14.5m | 33.2% | +1.2% |
 United States | £12.5m | 28.5% | +208% |
 Poland | £3.8m | 8.7% | +214% |
 Germany | £2.3m | 5.3% | -45.2% |
 Italy | £2.2m | 5.1% | -37.7% |
 India | £1.6m | 3.6% | +532.5% |
 France | £1.5m | 3.3% | -38.4% |
 Japan | £893k | 2% | +93% |
Same subheading in other tariffs
3815.19 Reaction initiators, reaction accelerators and catalytic: supported catalysts, other
EU Free – 6.5% Third-country duty 2 tariff lines · average 3.3% 
Türkiye Free – 6.5% Third-country duty 2 tariff lines · average 3.3% USA Free General (MFN) 1 tariff line 
Canada Free Third-country duty 2 tariff lines 
Mexico Free – 10% Third-country duty 2 tariff lines · average 5% 
Brazil Free Third-country duty 1 tariff line 
Argentina Free Third-country duty 1 tariff line 
Peru Free Third-country duty 2 tariff lines 
New Zealand Free Third-country duty 1 tariff line Japan Free – 2.2% Third-country duty 3 tariff lines · average 1.5% 
Taiwan 1% Third-country duty 1 tariff line 
GCC 5% Third-country duty 2 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 2 tariff lines 
Nigeria 10% Third-country duty 1 tariff line UK lines: 3815.19
- 3815 19 10 00Catalyst in the form of grains of which 90% or more by weight have a particle-size not exceeding 10 micrometres, consisting of a mixture of oxides on a magnesium-silicate support, containing by weight: - 20% or more but not more than 35% of copper and - 2% or more but not more than 3% of bismuth, and of an apparent specific gravity of 0.2 or more but not exceeding 1.0
- 3815 19 90 10Catalysts consisting of chromium trioxide, dichromium trioxide or organometallic compounds of chromium, fixed on a silicon dioxide support with a pore volume of 2 cm³/g or more (as determined by the nitrogen absorption method)
- 3815 19 90 30Catalyst containing titanium tetrachloride supported on magnesium dichloride, for use in the manufacture of polypropylene
- 3815 19 90 33Catalyst, in powder form, consisting of a mixture of metal oxides fixed to a silicon dioxide support, with a total content by weight of molybdenum, bismuth and iron of 20% or more but not more than 50%, for use in the manufacture of acrylonitrile
- 3815 19 90 55Components for a catalyst system, imported as single components or as set, made up of at least one of the following preparations: -ceramic material (cas rn 66402-68-4), -molybdenum oxide and nickel oxide supported on aluminium oxide, -molybdenum oxide, nickel oxide and aluminium phosphate supported on aluminium oxide, -molybdenum oxide, nickel oxide, aluminium phosphate, silica, and molybdenum supported on aluminium oxide, for use against organic and inorganic impurities in kerosene production
- 3815 19 90 70Catalyst consisting of organo-metallic compounds of aluminium and zirconium, fixed on a support of silicon dioxide
- 3815 19 90 75Catalyst consisting of organo-metallic compounds of aluminium and chromium, fixed on a support of silicon dioxide
- 3815 19 90 80Catalyst consisting of organo-metallic compounds of magnesium and titanium, fixed on a support of silicon dioxide, in the form of a suspension in mineral oil
- 3815 19 90 82Catalyst consisting of organo-metallic compounds of boron, titanium and aluminium, fixed on a support of silicon dioxide, in the form of powder
- 3815 19 90 85Catalyst consisting of organo-metallic compounds of aluminium, magnesium and titanium, fixed on a support of silicon dioxide, in the form of powder
- 3815 19 90 86Catalyst containing titanium tetrachloride supported on magnesium dichloride, for use in the manufacture of polyolefins
- 3815 19 90 90Reaction initiators, reaction accelerators and catalytic: supported catalysts, other, other, other
Binding rulings for similar goods
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.
- H311151 U.S. CBP
Protest and Application for Further Review of Protest No. 5301-20-103261; tariff classification of Unicat SR-110CX Zinc Oxide Adsorbent; application of Section 301 trade remedies
- N306097 U.S. CBP
The tariff classification and country of origin of Spray Dried Copper Zeolite Catalysts from various countries; Article 509.
- 600013400 HMRC
Functionalised granular alumina media Granules are used as part of water treatment systems to selectively remove PFAS-containing molecules from the water via adsorption. Ingredients: Alumina / Aluminium oxide, 1-Bromohexane, Polyethyleneimine
- 600013401 HMRC
Functionalised granular alumina media in a fibreglass canister Granules are used as part of water treatment systems to selectively remove PFAS-containing molecules from the water via adsorption. Ingredients: Alumina / Aluminium oxide, 1-Bromohexane, Polyethyleneimine
Legal notes
In the UK Global Tariff, 3815 19 90 80 is one of 12 lines under subheading 3815.19, reaction initiators, reaction accelerators and catalytic.
The third-country duty is 6%.
Goods from 174 countries can enter the UK at a preferential rate instead of the standard 6%; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
In the 12 months to August 2026, the UK imported other supported catalysts (HS 3815.19) worth £43.7m (up 21% on the year before), at an average of £12.21 per kg; Netherlands supplied 33%, followed by United States.
For the same subheading, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is free, the Canada duty is free, the Mexico duty is 0%–10%, the Brazil duty is free, the Argentina duty is free, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–2.2%, the Taiwan duty is 1%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is free and the Nigeria duty is 10%.
The UK imported goods of subheading 3815.19 worth US$43m in 2024; the largest supplier was the Netherlands.
Questions and answers
What is the UK import duty for commodity code 3815 19 90 80?
The third-country duty in the UK Global Tariff is 6%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 3815 19 90 80?
174 countries have a preferential rate on this line, 174 of them at 0%, under DCTS Comprehensive, European Union and DCTS Enhanced and other arrangements. The rate applies only to goods that meet the rules of origin of the agreement, with proof of origin. Choose the country of origin on this page to see its rate.
Do anti-dumping or other extra duties apply to 3815 19 90 80?
Additional duty of 35% on goods from Belarus and Russia. These are charged on top of the customs duty.
Where does the UK import these goods from?
For subheading 3815.19 as a whole, the largest supplier in 2024 was the Netherlands (US$14m), followed by the United States.