Subheading · Chapter 39 · Heading 3903
3903.90: Polymers of styrene, in primary forms: other
Other styrene polymers, primary
Official description Other
3903.90 is the HS subheading for other styrene polymers, primary, under heading 3903 in chapter 39.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3903 90 00 00 Other
- 3903 90 10 00 Copolymer, solely of styrene with allyl alcohol, of an acetyl value of 175 or more Free
- 3903 90 20 00 Brominated polystyrene, containing by weight 58% or more but not more than 71% of bromine, in one of the forms mentioned in note 6(b) to this chapter Free
- 3903 90 90 00 Other 6%
- 3903 90 90 20 Copolymer in the form of granules containing by weight: - 83 ± 3% styrene, - 7 ± 2% n-butyl acrylate, - 9 ± 2% n-butyl methacrylate and - 0.01% or more but not more than 1% of polyolefinic wax 6%
- 3903 90 90 35 Copolymer of _α_-methylstyrene and styrene, having a softening point exceeding 113 ºc 6%
- 3903 90 90 38 Polytetrafluoroethylene (cas rn 9002-84-0) encapsulated with an acrylonitrile-styrene copolymer (cas rn 9003-54-7), with a content by weight of each polymer of 50% (± 1%) 6%
- 3903 90 90 43 Mixture of polymers consisting by weight of: -10% or more but not more than 30% of a styrene-ethylene-butylene-styrene block copolymer (cas rn 66070-58-4), -25% or more but not more than 45% of mineral oil (cas rn 8042-47-5), -25% or more but not more than 45% of calcium carbonate (cas rn 1317-65-3), -10% or more but not more than 20% of polypropylene (cas rn 9003-07-0), and -1% or more but not more than 3% of a copolymer of α-methylstyrene and vinyltoluene (cas rn 9017-27-0) 6%
- 3903 90 90 60 Copolymer of styrene with maleic anhydride, either partially esterified or completely chemically modified, in flake or powder form 6%
- 3903 90 90 70 Copolymer in the form of granules containing by weight: - 75% (± 7%) styrene and - 25% (± 7%) methylmethacrylate 6%
- 3903 90 90 86 Mixture containing by weight: - 45% or more but not more than 65% of polymers of styrene, - 30% or more but not more than 45% of poly(phenylene ether), and - not more than 11% of additives 6%
- 3903 90 90 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. 833
- Documents
- 9018
- 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 7 of 10 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 10 lines
Import requirements 2
- 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
- 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) | — | Free – 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 – 2.5% |
| 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 |
|---|---|---|---|
 Germany | £14.4m | 31.5% | -13.6% |
 Belgium | £7.2m | 15.7% | +10.2% |
 Sweden | £6m | 13.1% | +8% |
 Netherlands | £5.7m | 12.5% | +20.9% |
 South Korea | £4.1m | 8.9% | -28.9% |
 France | £2m | 4.4% | +36.9% |
 United States | £1.6m | 3.4% | +4.1% |
 India | £800k | 1.7% | -2.1% |
Same subheading in other tariffs
EU Free – 6.5% Third-country duty 3 tariff lines · average 2.2% 
Türkiye Free – 6.5% Third-country duty 3 tariff lines · average 2.2% USA 6.5% General (MFN) 2 tariff lines 
Canada Free Third-country duty 2 tariff lines 
Mexico 5% – 7% Third-country duty 6 tariff lines · average 5.8% 
Brazil Free – 20% Third-country duty 3 tariff lines · average 10.9% 
Argentina Free – 12.6% Third-country duty 5 tariff lines · average 10.1% 
Peru Free Third-country duty 1 tariff line 
New Zealand Free – 5% Third-country duty 4 tariff lines · average 2.5% 
Japan 3.1% Third-country duty 2 tariff lines 
Taiwan 1% – 2.5% Third-country duty 3 tariff lines · average 2% 
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 3 tariff lines 
Nigeria 5% Third-country duty 1 tariff line World trade in 2024
Trade value (US$) no reported trade < US$1mUS$1m+US$18m+US$132m+> US$364m
Exports: 112
- South Korea: US$736m
- United States: US$539m
- Belgium: US$412m
- Germany: US$364m
- China: US$276m
- Japan: US$248m
- Taiwan: US$229m
- Netherlands: US$222m
- Singapore: US$198m
- Malaysia: US$170m
- Hong Kong SAR China: US$132m
- Mexico: US$123m
- Thailand: US$119m
- France: US$104m
- Italy: US$55m
- Czechia: US$53m
- Spain: US$50m
- Indonesia: US$47m
- Colombia: US$38m
- Sweden: US$33m
- Hungary: US$29m
- India: US$28m
- Türkiye: US$27m
- Israel: US$27m
- Brazil: US$26m
- Egypt: US$26m
- Vietnam: US$18m
- Tunisia: US$18m
- Austria: US$16m
- United Kingdom: US$12m
- Poland: US$10m
- Greece: US$10m
- Portugal: US$10m
- Canada: US$10m
- Saudi Arabia: US$9m
- United Arab Emirates: US$9m
- Romania: US$8m
- Argentina: US$7m
- Guatemala: US$4m
- Russia: US$4m
- Uruguay: US$4m
- South Africa: US$3m
- Switzerland: US$3m
- Finland: US$2m
- Slovenia: US$2m
- Bulgaria: US$2m
- Australia: US$2m
- Ireland: US$2m
- Dominican Republic: US$2m
- Lithuania: US$1m
- Kazakhstan: US$1m
- Iran: US$1m
- Slovakia: US$1m
- Denmark: US$1m
- Norway: US$813k
- Luxembourg: US$761k
- Philippines: US$542k
- Peru: US$529k
- Gibraltar: US$375k
- Honduras: US$338k
Trade value (US$) no reported trade < US$2mUS$2m+US$15m+US$66m+> US$166m
Imports: 187
- China: US$921m
- United States: US$354m
- Mexico: US$296m
- Germany: US$261m
- Vietnam: US$181m
- Türkiye: US$166m
- Italy: US$136m
- Japan: US$123m
- India: US$114m
- France: US$106m
- Thailand: US$94m
- Canada: US$94m
- Brazil: US$85m
- Belgium: US$82m
- Poland: US$82m
- South Korea: US$79m
- Spain: US$75m
- Netherlands: US$67m
- Malaysia: US$66m
- United Kingdom: US$66m
- Czechia: US$62m
- Portugal: US$61m
- Philippines: US$59m
- Egypt: US$46m
- Taiwan: US$46m
- Indonesia: US$42m
- Romania: US$36m
- Austria: US$31m
- Algeria: US$29m
- Saudi Arabia: US$28m
- Fiji: US$27m
- Russia: US$25m
- Bangladesh: US$23m
- Hungary: US$23m
- Hong Kong SAR China: US$22m
- Switzerland: US$21m
- South Africa: US$20m
- Chile: US$19m
- Sweden: US$19m
- Argentina: US$18m
- Australia: US$17m
- Colombia: US$17m
- Slovenia: US$16m
- Serbia: US$16m
- Ireland: US$16m
- Israel: US$15m
- Greece: US$15m
- Morocco: US$15m
- Slovakia: US$14m
- Singapore: US$11m
- Denmark: US$11m
- Ukraine: US$11m
- Norway: US$10m
- Uganda: US$9m
- Ecuador: US$9m
- United Arab Emirates: US$9m
- Nigeria: US$8m
- Bulgaria: US$8m
- Finland: US$7m
- Montenegro: US$7m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | South Korea | US$736m | 16.4% |
| 2 | United States | US$539m | 12% |
| 3 | Belgium | US$412m | 9.2% |
| 4 | Germany | US$364m | 8.1% |
| 5 |  China | US$276m | 6.1% |
| 6 | Japan | US$248m | 5.5% |
| 7 | Taiwan | US$229m | 5.1% |
| 8 | Netherlands | US$222m | 5% |
| 9 |  Singapore | US$198m | 4.4% |
| 10 |  Malaysia | US$170m | 3.8% |
Import duty on this product around the world 165
The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.
- 5%median duty
- 55number of duty-free countries (MFN)
- 45%highest: Bahamas, Bermuda, Cayman Islands
165
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
 Afghanistan | 5% | 2018 · HS 2012 | |
 Albania | 2% | 2023 | |
 Algeria | 5% | 2023 | |
 Angola | 0% | 2023 · HS 2017 | |
 Anguilla | 10% | 2021 · HS 2017 | |
 Antigua & Barbuda | 5% | 2021 · HS 2007 | |
| Argentina | 10% | 2% – 14% | 2023 · HS 2017 |
 Armenia | 6.5% | 2023 | |
 Aruba | 12% | 2021 · HS 2012 | |
 Australia | 5% | 2023 | |
 Azerbaijan | 0% | 2023 · HS 2017 | |
 Bahamas | 45% | 2022 | |
 Bahrain | 5% | 2023 | |
 Bangladesh | 5% | 2023 · HS 2017 | |
 Barbados | 5% | 2022 · HS 2017 | |
 Belarus | 6.5% | 2021 · HS 2017 | |
 Belize | 0% | 2023 | |
 Benin | 5% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 10% | 2022 | |
 Bolivia | 5% | 2023 · HS 2017 | |
 Bosnia & Herzegovina | 0% | 2022 | |
 Botswana | 0% | 2023 | |
| Brazil | 10% | 2% – 14% | 2023 · HS 2017 |
 Brunei | 0% | 2023 · HS 2017 | |
 Burkina Faso | 5% | 2023 | |
 Burundi | 0% | 2023 | |
 Cambodia | 0% | 2023 · HS 2017 | |
 Cameroon | 10% | 2023 | |
| Canada | 0% | 2023 | |
 Cape Verde | 5% | 2023 · HS 2017 | |
 Cayman Islands | 22% | 2021 · HS 2002 | |
 Central African Republic | 10% | 2023 | |
 Chad | 10% | 2023 | |
 Chile | 6% | 2023 · HS 2017 | |
| China | 6.5% | 2023 | |
 Colombia | 10% | 2023 · HS 2017 | |
 Comoros | 20% | 2021 · HS 2017 | |
 Congo - Brazzaville | 10% | 2023 | |
 Cook Islands | 0% | 2022 · HS 2017 | |
 Costa Rica | 0% | 2023 | |
 Côte d’Ivoire | 5% | 2023 · HS 2017 | |
 Cuba | 10% | 2023 · HS 2017 | |
 Dominica | 0% | 2023 · HS 2017 | |
 Dominican Republic | 4% | 0% – 8% | 2023 |
 Ecuador | 0% | 2023 · HS 2017 | |
 Egypt | 0% | 2019 · HS 2017 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 0% | 2023 | |
 Ethiopia | 5% | 2021 · HS 2017 | |
| European Union (27 countries) | 2.2% | 0% – 6.5% | 2023 |
 Fiji | 5% | 2023 | |
 French Polynesia | 13% | 2023 | |
 Gabon | 10% | 2023 | |
 Gambia | 5% | 2023 | |
 Georgia | 0% | 2022 · HS 2017 | |
 Ghana | 5% | 2023 | |
 Gibraltar | 12% | 2023 · HS 2017 | |
 Grenada | 5% | 2023 · HS 2012 | |
 Guatemala | 0% | 2023 | |
 Guinea | 5% | 2023 | |
 Guinea-Bissau | 5% | 2023 | |
 Guyana | 5% | 2023 · HS 2017 | |
 Haiti | 0% | 2020 · HS 2017 | |
 Honduras | 0% | 2023 | |
 Hong Kong SAR China | 0% | 2023 | |
 Iceland | 0% | 2023 | |
| India | 7.5% | 2023 | |
 Indonesia | 5% | 2023 | |
 Iran | 5% | 2020 · HS 2017 | |
 Israel | 0% | 2022 · HS 2017 | |
 Jamaica | 0% | 2023 | |
| Japan | 3.1% | 2023 | |
 Jordan | 0% | 2023 | |
 Kazakhstan | 6.5% | 2023 | |
 Kenya | 0% | 2023 | |
 Kiribati | 20% | 2023 · HS 2002 | |
 Kuwait | 5% | 2023 | |
 Kyrgyzstan | 6.5% | 2021 · HS 2017 | |
 Laos | 5% | 2023 · HS 2017 | |
 Lebanon | 0% | 2020 · HS 2017 | |
 Lesotho | 0% | 2023 | |
 Liberia | 5% | 2023 | |
 Libya | 5% | 2021 · HS 2017 | |
 Liechtenstein | 3.5%* | 2021 · HS 2017 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 5% | 2023 | |
 Malawi | 0% | 2021 · HS 2017 | |
| Malaysia | 3.3% | 0% – 10% | 2023 |
 Maldives | 20% | 2023 | |
 Mali | 5% | 2023 | |
 Mauritania | 5% | 2023 · HS 2017 | |
 Mauritius | 0% | 2023 | |
| Mexico | 6% | 5% – 7% | 2023 · HS 2017 |
 Micronesia | 4% | 2021 · HS 2017 | |
 Moldova | 5% | 2023 · HS 2017 | |
 Mongolia | 5% | 2023 | |
 Montserrat | 0% | 2023 · HS 2017 | |
 Morocco | 7.5% | 2.5% – 18% | 2023 |
 Mozambique | 2.5% | 2023 | |
 Myanmar (Burma) | 1.5% | 2023 · HS 2017 | |
 Namibia | 0% | 2023 | |
 Nauru | 10% | 2021 · HS 2017 | |
 Nepal | 10% | 2023 | |
| New Zealand | 2.5% | 0% – 5% | 2023 |
 Nicaragua | 0% | 2023 | |
 Niger | 5% | 2023 | |
| Nigeria | 5% | 2023 | |
| North Macedonia | 0% | 2023 | |
| Norway | 0% | 2023 | |
 Oman | 5% | 2023 | |
 Pakistan | 11% | 2023 | |
 Palau | 3% | 2023 · HS 2012 | |
 Palestinian Territories | 0% | 2017 · HS 2017 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Paraguay | 5.3% | 0% – 14% | 2023 · HS 2017 |
| Peru | 0% | 2023 · HS 2017 | |
 Philippines | 7.7% | 3% – 10% | 2023 |
 Qatar | 5% | 2023 | |
 Russia | 6.5% | 2021 · HS 2017 | |
 Rwanda | 0% | 2023 | |
 Samoa | 8% | 2020 · HS 2017 | |
 São Tomé & Príncipe | 10% | 2019 · HS 2017 | |
 Saudi Arabia | 5% | 2023 | |
 Senegal | 5% | 2023 | |
 Seychelles | 0% | 2023 | |
 Sierra Leone | 5% | 2023 | |
| Singapore | 0% | 2023 · HS 2017 | |
 Solomon Islands | 10% | 2023 · HS 2017 | |
 Somalia | 5% | 2023 · HS 2017 | |
 South Africa | 0% | 2023 | |
| South Korea | 6.5% | 2023 | |
 Sri Lanka | 7.5% | 0% – 15% | 2023 |
 St Kitts & Nevis | 0% | 2023 | |
 St Lucia | 0% | 2023 · HS 2012 | |
 St Pierre & Miquelon | 5% | 2021 · HS 2017 | |
 St Vincent & the Grenadines | 0% | 2023 | |
 Sudan | 3% | 2021 · HS 2017 | |
 Suriname | 5% | 2023 · HS 2007 | |
| Switzerland | 2.9%* | 2023 | |
 Syria | 1% | 2020 · HS 2012 | |
 Tajikistan | 6.5% | 2021 · HS 2012 | |
 Tanzania | 0% | 2023 | |
 Thailand | 3.7% | 3% – 5% | 2023 |
 Togo | 5% | 2023 | |
 Tonga | 15% | 2023 · HS 2017 | |
 Trinidad & Tobago | 0% | 2023 · HS 2012 | |
| Türkiye | 2.2% | 0% – 6.5% | 2023 |
 Tuvalu | 0% | 2017 · HS 2017 | |
 Uganda | 0% | 2023 | |
 Ukraine | 0% | 2023 · HS 2017 | |
 United Arab Emirates | 5% | 2023 | |
| United Kingdom | 5.1% | 0% – 6% | 2023 |
| United States | 6.5% | 2023 | |
 Uruguay | 4% | 0% – 14% | 2023 · HS 2017 |
 Uzbekistan | 0% | 2021 · HS 2017 | |
 Vanuatu | 0% | 2023 | |
 Venezuela | 10% | 2% – 14% | 2023 · HS 2017 |
 Vietnam | 5% | 2023 | |
 Wallis & Futuna | 6% | 2021 · HS 2012 | |
 Yemen | 5% | 2017 · HS 2017 | |
 Zambia | 0% | 2023 | |
 Zimbabwe | 0.1% | 2023 |
Tariff data years 2017–2023; rates may have changed since. * ad valorem equivalent of specific duties (UNCTAD estimate) · UNCTAD TRAINS, accessed via WITS (World Bank)
Classifications and correspondences
Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.
- SITC Rev. 4
- 57299 Other styrene polymers
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211210
- CPC 2.1 product
- 34720 Polymers of styrene, in primary forms
- ISIC Rev. 4 activity
- 2013 Manufacture of plastics and synthetic rubber in primary forms
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 3903.90 | unchanged |
| 2012 | 3903.90 | unchanged |
| 2007 | 3903.90 | unchanged |
| 2002 | 3903.90 | unchanged |
| 1996 | 3903.90 | unchanged |
| 1992 | 3903.90 | unchanged |
Correspondence tables of the United Nations Statistics Division (UNSD)
Binding rulings for similar goods 4
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.
- N319986 U.S. CBP
The tariff classification of a acrylonitrile-butyl acrylate-methyl methacrylate-styrene copolymer (CAS # 25852-38-4) and a styrene acrylonitrile butyl acrylate polymer (CAS # 26299-47-8) from China
- N278902 U.S. CBP
The tariff classification of methyl methacrylate-butadeine-styrene copolymers (CAS-25053-09-2) from Korea
- N278871 U.S. CBP
The tariff classification of nine copolymers of acrylonitrile-butadiene-styrene (ABS) CAS-9003-56-9 and two copolymer blends of ABS CAS-9003-56-9 and methylstyrene-acrylonitrile-styrene CAS-9010-96-2 from Korea
- N272473 U.S. CBP
The tariff classification of Joncryl® 678 from Germany
Recent rule changes mentioning this code
Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.
- Anti-dumping · Applies from:
CELEX 32026R1540 · Source: eur-lex.europa.eu
- Tariff change · Applies from:
CELEX 32026R1395 · Source: eur-lex.europa.eu
- Anti-dumping · Applies from:
CELEX 32026R1063 · Source: eur-lex.europa.eu
- Anti-dumping · Applies from:
CELEX 32026R0316 · Source: eur-lex.europa.eu
- Other
Update to Commodity Code Structure to maintain dynamic alignment with the EU – 9 January 2026
Trade Tariff news 3992 · Source: trade-tariff.service.gov.uk
The UK Global Tariff divides subheading 3903.90 into 10 tariff lines; the duty is between 0% and 6% (average 4.8%). 2 of them are duty-free.
In the EU Combined Nomenclature, subheading 3903.90 covers 3 tariff lines and the duty is between 0% and 6.5%. 2 of them are duty-free.
173 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 Free – 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of other styrene polymers, primary into the UK came to £45.8m between September 2025 and August 2026 (down 7% on the year before); Germany supplied 32%, followed by Belgium.
In 2024, countries exported other styrene polymers, primary worth US$4bn (+4.6% year on year).
The largest exporter was South Korea (US$736m), followed by the United States.
Questions and answers
What is the HS code for polymers of styrene, in primary forms: other?
Polymers of styrene, in primary forms: other fall under HS subheading 3903.90, part of heading 3903, in section VII of the Harmonized System.
What is the import duty on polymers of styrene, in primary forms: other in the UK?
Under the UK Global Tariff, imports under 3903.90 from countries without a preferential agreement are charged at 0% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on polymers of styrene, in primary forms: other in the EU?
Under the EU Combined Nomenclature, imports under 3903.90 from countries without a preferential agreement are charged at 0% to 6.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most polymers of styrene, in primary forms: other?
South Korea, with US$736m in 2024 (16.4% of world exports).
Which countries can export other styrene polymers, primary to the UK duty-free?
173 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 – 6% applies. Pick a country above to see its rate.
Is there anti-dumping duty on other styrene polymers, primary?
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 other styrene polymers, primary from?
In the 12 months to August 2026, the largest suppliers were Germany (32%), Belgium (16%) and Sweden (13%), out of total imports of £45.8m.