UK Global Tariff · commodity code · HS 3905.91
3905 91 00 25: Copolymer of vinylcaprolactam and vinylpyrrolidone (cas rn 51987-20-3) in the form of a solution in 2-butoxyethanol (cas rn 111-76-2) containing by weight 45% or more but not more than 58% of copolymer
Other vinyl copolymers
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 3905 Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms
- Other
- 3905 91 00 00 Copolymers
- 3905 91 00 25 Copolymer of vinylcaprolactam and vinylpyrrolidone (cas rn 51987-20-3) in the form of a solution in 2-butoxyethanol (cas rn 111-76-2) containing by weight 45% or more but not more than 58% of copolymer
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 2
- 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
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
- North Korea
- Legal act
- S.I. 2019/411
- Documents
- 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 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
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 3905.91
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Belgium | £4.3m | 28.4% | -18% |
 United States | £4.3m | 28.4% | -62.1% |
 Japan | £4.1m | 27.1% | -5% |
 Germany | £1.8m | 11.9% | +12.2% |
 China | £231k | 1.5% | -17.2% |
 France | £156k | 1% | -23.3% |
| United Kingdom | £92k | 0.6% | +202.2% |
 Ireland | £87k | 0.6% | +8,464.4% |
Same subheading in other tariffs
3905.91 Polymers of vinyl acetate or of other vinyl esters: other, copolymers
EU 6.5% Third-country duty 1 tariff line 
Türkiye 6.5% Third-country duty 1 tariff line USA 4% – 5.3% General (MFN) 2 tariff lines · average 4.7% 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 1 tariff line 
Brazil Free – 12.6% Third-country duty 2 tariff lines · average 6.3% 
Argentina Free – 12.6% Third-country duty 2 tariff lines · average 6.3% 
Peru Free Third-country duty 1 tariff line 
New Zealand Free Third-country duty 1 tariff line Japan 2.8% – 3.9% Third-country duty 3 tariff lines · average 3.2% 
Taiwan 4% Third-country duty 1 tariff line 
GCC 5% Third-country duty 1 tariff line 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line UK lines: 3905.91
- 3905 91 00 10For cavity filling, for use in certain types of aircraft
- 3905 91 00 25Copolymer of vinylcaprolactam and vinylpyrrolidone (cas rn 51987-20-3) in the form of a solution in 2-butoxyethanol (cas rn 111-76-2) containing by weight 45% or more but not more than 58% of copolymer
- 3905 91 00 35Aqueous solution of a copolymer of vinylpyrrolidone and n,n-dimethylaminopropyl methacrylamide sulfate (cas rn 175893-71-7), containing by weight 8% or more, but not more than 12% of copolymer
- 3905 91 00 40Water soluble copolymer of ethylene and vinyl alcohol (cas rn 26221-27-2), containing by weight not more than 38% of the monomer unit ethylene
- 3905 91 00 50Aqueous solution consisting by weight of: -10% or more but not more than 20% of a copolymer of vinyl pyrrolidone, n,n-dimethylaminopropyl methacrylamide and 3 (methacryloylamino)propyllauryldimethylammonium chloride (cas rn 306769-73-3), -not more than 1% preservatives
- 3905 91 00 60Copolymer of vinylpyrrolidone, vinyl caprolactam and dimethylaminoethyl methacrylate (cas rn 102972-64-5) in solid form, or as an aqueous solution containing by weight: -27% or more but not more than 33% of copolymer, -not more than 1.5% of ethanol (cas rn 64-17-5), -not more than 1% of preservatives
- 3905 91 00 70Aqueous solution, containing by weight: -25% or more but not more than 35% of a copolymer of vinyl caprolactam, vinyl pyrrolidone, n,n-dimethylaminopropyl methacrylamide and 3-(methacryloylamino)propyllauryldimethylammonium chloride (cas rn 748809-45-2), -10% or more but not more than 16% of ethanol (cas rn 64-17-5) whether or not denatured with tert-butyl alcohol (cas rn 75-65-0) and/or denatonium benzoate (cas rn 3734-33-6)
- 3905 91 00 80Copolymer of vinylpyrrolidone, acrylic acid and dodecyl methacrylate (cas rn 83120-95-0)
- 3905 91 00 90Polymers of vinyl acetate or of other vinyl esters: other, copolymers, other
Legal notes
In the UK Global Tariff, 3905 91 00 25 is one of 9 lines under subheading 3905.91, polymers of vinyl acetate or of other vinyl esters: other, copolymers.
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 vinyl copolymers (HS 3905.91) worth £15.3m (down 34% on the year before), at an average of £7.61 per kg; Belgium supplied 28%, followed by United States.
For the same subheading, the EU duty is 6.5%, the Türkiye duty is 6.5%, the US duty is 4%–5.3%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 2.8%–3.9%, the Taiwan duty is 4%, 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 5%.
The UK imported goods of subheading 3905.91 worth US$35m in 2024; the largest supplier was the United States.
Questions and answers
What is the UK import duty for commodity code 3905 91 00 25?
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 3905 91 00 25?
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 3905 91 00 25?
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 3905.91 as a whole, the largest supplier in 2024 was the United States (US$21m), followed by Belgium.