Subheading · Chapter 31 · Heading 3104
3104.30: Mineral or chemical fertilisers, potassic: potassium sulphate
Official description Potassium sulphate
3104.30 is a six-digit subheading of heading 3104, mineral or chemical fertilisers, potassic, chapter 31.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3104 30 00 00 Potassium sulphate Free+2kg K₂O
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 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 376
- Documents
- 9008
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 | |
| 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–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 |
| 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–XC agreement | XC | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–XL agreement | XL | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Belgium | £3.2m | 50.8% | -8.7% |
 Germany | £1.9m | 30.5% | +1% |
 Netherlands | £606k | 9.6% | -25.1% |
 Egypt | £140k | 2.2% | +14.1% |
 Sweden | £117k | 1.9% | -26% |
 Austria | £84k | 1.3% | +13.8% |
 Türkiye | £69k | 1.1% | +1,447.6% |
 Ireland | £56k | 0.9% | -60.3% |
Same subheading in other tariffs
EU Free Third-country duty 1 tariff line Türkiye 20% Statutory rate (Law 474) 2 tariff lines 
USA Free General (MFN) 1 tariff line The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.
World trade in 2024
Trade value (US$) no reported trade < US$647kUS$647k+US$6.6m+US$24.5m+> US$133.6m
Exports: 85
- Germany: US$294m
- Belgium: US$209.1m
- Taiwan: US$133.6m
- Egypt: US$112.5m
- Sweden: US$70.1m
- China: US$66.4m
- Russia: US$64.9m
- United States: US$28.6m
- Canada: US$24.5m
- Uzbekistan: US$17.8m
- Saudi Arabia: US$13.4m
- Austria: US$12.7m
- South Africa: US$11.8m
- Vietnam: US$11.8m
- Netherlands: US$9.8m
- Türkiye: US$9.6m
- Indonesia: US$9.3m
- South Korea: US$8.5m
- Mozambique: US$7m
- United Kingdom: US$6.9m
- Italy: US$6.6m
- Mauritius: US$6m
- France: US$5.5m
- Spain: US$4.4m
- Singapore: US$4.1m
- Finland: US$4.1m
- Poland: US$3.7m
- Jordan: US$3.7m
- Philippines: US$3m
- India: US$2.8m
- United Arab Emirates: US$2.5m
- Israel: US$1.7m
- Lithuania: US$1.4m
- Kenya: US$1.2m
- Denmark: US$1.1m
- Brazil: US$964.9k
- North Korea: US$936.1k
- Chile: US$905.3k
- Portugal: US$836.3k
- Latvia: US$745.6k
- Slovenia: US$727.9k
- Czechia: US$647k
- Colombia: US$539k
- Iran: US$529.9k
- Greece: US$439.8k
- Thailand: US$407k
- Norway: US$383.5k
- Slovakia: US$318.9k
- Costa Rica: US$317.8k
- Ireland: US$300.3k
- Honduras: US$280.3k
- Malaysia: US$269k
- Ecuador: US$248.2k
- Hungary: US$184.5k
- Peru: US$168.9k
- Hong Kong SAR China: US$153.7k
- Japan: US$146.6k
- Mexico: US$144.9k
- Kazakhstan: US$121.9k
- Croatia: US$121k
Trade value (US$) no reported trade < US$923.4kUS$923.4k+US$6.2m+US$28.4m+> US$49.2m
Imports: 162
- United States: US$77.3m
- Peru: US$61.7m
- South Africa: US$60.6m
- Australia: US$56.4m
- Nigeria: US$49.2m
- Mexico: US$47.9m
- India: US$44.5m
- Pakistan: US$41.8m
- Netherlands: US$38.2m
- Brazil: US$36.2m
- Spain: US$34.6m
- Morocco: US$33.7m
- Egypt: US$32.3m
- Norway: US$29.1m
- Italy: US$28.6m
- France: US$28.4m
- Japan: US$28.1m
- Algeria: US$26m
- Zambia: US$20.7m
- Colombia: US$19.3m
- Zimbabwe: US$19m
- Greece: US$18.7m
- Vietnam: US$17.9m
- Belgium: US$17.4m
- China: US$16.9m
- Saudi Arabia: US$16.6m
- Türkiye: US$15.3m
- South Korea: US$14m
- New Zealand: US$13.8m
- Chile: US$13.3m
- Ecuador: US$12.9m
- Poland: US$12.5m
- Myanmar (Burma): US$11.3m
- Kenya: US$11.3m
- Thailand: US$9.7m
- Austria: US$9.4m
- United Kingdom: US$9.3m
- Costa Rica: US$7.7m
- Canada: US$7m
- Indonesia: US$6.2m
- Argentina: US$6.1m
- Tunisia: US$6m
- Serbia: US$5.7m
- Germany: US$5.6m
- Malaysia: US$5.1m
- Portugal: US$4.9m
- United Arab Emirates: US$4.9m
- Malawi: US$4.8m
- Iran: US$4.2m
- Dominican Republic: US$4m
- Senegal: US$3.8m
- Azerbaijan: US$3.4m
- Israel: US$3.2m
- Tanzania: US$3.2m
- Hungary: US$3.2m
- Finland: US$3.1m
- Sweden: US$3m
- Switzerland: US$2.9m
- Ukraine: US$2.8m
- Guatemala: US$2.7m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Germany | US$294m | 24.7% |
| 2 | Belgium | US$209.1m | 17.6% |
| 3 |  Taiwan | US$133.6m | 11.2% |
| 4 | Egypt | US$112.5m | 9.5% |
| 5 | Sweden | US$70.1m | 5.9% |
| 6 |  China | US$66.4m | 5.6% |
| 7 |  Russia | US$64.9m | 5.5% |
| 8 | United States | US$28.6m | 2.4% |
| 9 |  Canada | US$24.5m | 2.1% |
| 10 |  Uzbekistan | US$17.8m | 1.5% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$77.3m | 6.5% |
| 2 |  Peru | US$61.7m | 5.2% |
| 3 |  South Africa | US$60.6m | 5.1% |
| 4 |  Australia | US$56.4m | 4.7% |
| 5 |  Nigeria | US$49.2m | 4.1% |
| 6 |  Mexico | US$47.9m | 4% |
| 7 |  India | US$44.5m | 3.7% |
| 8 |  Pakistan | US$41.8m | 3.5% |
| 9 | Netherlands | US$38.2m | 3.2% |
| 10 |  Brazil | US$36.2m | 3% |
Subheading 3104.30 is a single line in the UK Global Tariff, where the duty is duty-free.
The EU Combined Nomenclature has one tariff line for subheading 3104.30; the duty is duty-free.
Goods from 157 countries can enter the UK at a preferential rate instead of the standard Free; 157 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 these goods worth £6.3m (down 7% on the year before), at an average of £0.65 per kg; Belgium supplied 51%, followed by Germany.
World trade in these goods reached US$1.2bn in 2024, up 16.2% on 2023.
Germany was the largest exporter with 24.7% of the total, ahead of Belgium.
Questions and answers
What is the HS code for mineral or chemical fertilisers, potassic: potassium sulphate?
Mineral or chemical fertilisers, potassic: potassium sulphate fall under HS subheading 3104.30, part of heading 3104, in section VI of the Harmonized System.
What is the import duty on mineral or chemical fertilisers, potassic in the UK?
Under the UK Global Tariff, imports under 3104.30 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 mineral or chemical fertilisers, potassic in the EU?
Under the EU Combined Nomenclature, imports under 3104.30 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most mineral or chemical fertilisers, potassic?
Germany, with US$294m in 2024 (24.7% of world exports).
Which countries can export these goods to the UK duty-free?
157 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, CARIFORUM. 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.
Is there anti-dumping duty on these goods?
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 these goods from?
In the 12 months to August 2026, the largest suppliers were Belgium (51%), Germany (31%) and Netherlands (10%), out of total imports of £6.3m.