Subheading · Chapter 38 · Heading 3810
3810.90: Pickling preparations for metal surfaces: other
Official description Other
3810.90 is a six-digit subheading of heading 3810, pickling preparations for metal surfaces, chapter 38.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3810 90 00 00 Other
- 3810 90 10 00 Preparations of a kind used as cores or coatings for welding electrodes and rods Free
- 3810 90 90 00 Other Free
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 2
- Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
- Applies to goods from
- all countries
- Legal act
- 2020 No. 1431
- Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
- 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 1
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| 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 |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 United States | £5.9m | 44.8% | +24.1% |
 Germany | £3.7m | 27.9% | -0.1% |
 France | £1.4m | 10.7% | -23.3% |
 Czechia | £785k | 6% | +63.4% |
 Belgium | £391k | 3% | +21.7% |
 China | £281k | 2.1% | +2.4% |
 Poland | £153k | 1.2% | -56.7% |
 Italy | £106k | 0.8% | -23.2% |
Same subheading in other tariffs
EU
TürkiyeWorld trade in 2024
Trade value (US$) no reported trade < US$166kUS$166k+US$3m+US$14m+> US$94m
Exports: 112
- Japan: US$179m
- Germany: US$156m
- United States: US$96m
- China: US$94m
- South Korea: US$64m
- Singapore: US$56m
- France: US$49m
- Poland: US$42m
- Czechia: US$27m
- Taiwan: US$21m
- Belgium: US$14m
- Thailand: US$13m
- Italy: US$10m
- Spain: US$9m
- Malaysia: US$8m
- India: US$8m
- United Kingdom: US$7m
- Netherlands: US$7m
- Mexico: US$6m
- Austria: US$6m
- Hungary: US$5m
- Hong Kong SAR China: US$5m
- Australia: US$4m
- Brazil: US$4m
- Canada: US$4m
- Romania: US$3m
- Türkiye: US$3m
- Ukraine: US$3m
- Sweden: US$2m
- South Africa: US$1m
- Finland: US$1m
- Vietnam: US$1m
- Philippines: US$1m
- Russia: US$869k
- Indonesia: US$832k
- Bolivia: US$759k
- Kazakhstan: US$753k
- Bulgaria: US$695k
- Portugal: US$602k
- Lithuania: US$542k
- Denmark: US$496k
- Greece: US$427k
- Latvia: US$298k
- Switzerland: US$276k
- Saudi Arabia: US$265k
- Estonia: US$240k
- Slovenia: US$222k
- Peru: US$201k
- Kyrgyzstan: US$200k
- United Arab Emirates: US$198k
- Panama: US$190k
- Serbia: US$167k
- New Zealand: US$144k
- Tunisia: US$109k
- Iran: US$103k
- Norway: US$98k
- Slovakia: US$97k
- Croatia: US$85k
- Ireland: US$68k
- Sierra Leone: US$62k
Trade value (US$) no reported trade < US$222kUS$222k+US$2m+US$15m+> US$37m
Imports: 204
- China: US$108m
- Malaysia: US$72m
- Mexico: US$54m
- United States: US$44m
- Vietnam: US$39m
- Czechia: US$37m
- South Korea: US$36m
- India: US$35m
- Philippines: US$32m
- France: US$31m
- Thailand: US$29m
- Indonesia: US$28m
- Taiwan: US$27m
- Germany: US$26m
- Poland: US$22m
- Singapore: US$19m
- Italy: US$17m
- Saudi Arabia: US$16m
- Spain: US$16m
- Türkiye: US$15m
- Canada: US$14m
- United Kingdom: US$14m
- Netherlands: US$12m
- United Arab Emirates: US$11m
- Brazil: US$9m
- Australia: US$8m
- Portugal: US$8m
- Japan: US$7m
- Romania: US$7m
- Hong Kong SAR China: US$6m
- Morocco: US$6m
- Hungary: US$6m
- Pakistan: US$5m
- Egypt: US$5m
- Denmark: US$4m
- Slovakia: US$4m
- Austria: US$4m
- Switzerland: US$4m
- Argentina: US$4m
- Uzbekistan: US$4m
- Sweden: US$3m
- Russia: US$3m
- Belgium: US$3m
- Tunisia: US$3m
- Bangladesh: US$3m
- Dominican Republic: US$3m
- Norway: US$3m
- Kazakhstan: US$3m
- Nigeria: US$2m
- Greece: US$2m
- South Africa: US$2m
- Chile: US$2m
- Finland: US$2m
- Colombia: US$2m
- Algeria: US$2m
- Costa Rica: US$2m
- Serbia: US$1m
- Slovenia: US$1m
- Latvia: US$1m
- Israel: US$1m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Japan | US$179m | 19.5% |
| 2 | Germany | US$156m | 17% |
| 3 | United States | US$96m | 10.5% |
| 4 | China | US$94m | 10.2% |
| 5 |  South Korea | US$64m | 7% |
| 6 |  Singapore | US$56m | 6.1% |
| 7 | France | US$49m | 5.3% |
| 8 | Poland | US$42m | 4.5% |
| 9 | Czechia | US$27m | 3% |
| 10 |  Taiwan | US$21m | 2.2% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$108m | 11.8% |
| 2 |  Malaysia | US$72m | 7.9% |
| 3 |  Mexico | US$54m | 5.9% |
| 4 | United States | US$44m | 4.8% |
| 5 |  Vietnam | US$39m | 4.2% |
| 6 | Czechia | US$37m | 4.1% |
| 7 | South Korea | US$36m | 3.9% |
| 8 |  India | US$35m | 3.8% |
| 9 |  Philippines | US$32m | 3.4% |
| 10 | France | US$31m | 3.3% |
In the UK Global Tariff, subheading 3810.90 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides subheading 3810.90 into 2 tariff lines; the duty is between 4.1% and 5% (average 4.6%).
Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the 12 months to August 2026, the UK imported these goods worth £13.1m (up 3% on the year before), at an average of £3.84 per kg; United States supplied 45%, followed by Germany.
World trade in these goods reached US$919m in 2024, up 10.2% on 2023.
Japan was the largest exporter with 19.5% of the total, ahead of Germany.
Products classified here
Questions and answers
What is the HS code for pickling preparations for metal surfaces: other?
Pickling preparations for metal surfaces: other fall under HS subheading 3810.90, part of heading 3810, in section VI of the Harmonized System.
What is the import duty on pickling preparations for metal surfaces: other in the UK?
Under the UK Global Tariff, imports under 3810.90 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on pickling preparations for metal surfaces: other in the EU?
Under the EU Combined Nomenclature, imports under 3810.90 from countries without a preferential agreement are charged at 4.1% to 5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most pickling preparations for metal surfaces: other?
Japan, with US$179m in 2024 (19.5% of world exports).
Which countries can export these goods 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 Free applies. Pick a country above to see its rate.
Where does the UK import these goods from?
In the 12 months to August 2026, the largest suppliers were United States (45%), Germany (28%) and France (11%), out of total imports of £13.1m.