UK Global Tariff · commodity code · HS 3906.90
3906 90 90 43: Copolymer of methacrylic esters, butylacrylate and cyclic dimethylsiloxanes (cas rn 143106-82-5)
Other acrylic polymers, primary
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 3906 Acrylic polymers in primary forms
- 3906 90 00 00 Other
- 3906 90 90 00 Other
- 3906 90 90 43 Copolymer of methacrylic esters, butylacrylate and cyclic dimethylsiloxanes (cas rn 143106-82-5)
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. 833
- Documents
- 9018
- 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
- 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 3906.90
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Germany | £75.9m | 23.2% | +1.5% |
 France | £73.1m | 22.4% | +0.6% |
 Belgium | £46.2m | 14.1% | +86.9% |
 Netherlands | £40.1m | 12.3% | -33.8% |
 United States | £20.3m | 6.2% | -16.7% |
 Sweden | £12.6m | 3.9% | +2.1% |
 Spain | £10.5m | 3.2% | -17.2% |
 Italy | £9.4m | 2.9% | -6.5% |
Same subheading in other tariffs
3906.90 Acrylic polymers in primary forms: other
EU Free – 6.5% Third-country duty 7 tariff lines · average 1.6% 
Türkiye Free – 6.5% Third-country duty 7 tariff lines · average 1.6% USA Free – 6.3% General (MFN) 3 tariff lines · average 3.5% 
Canada Free Third-country duty 2 tariff lines 
Mexico Free – 10% Third-country duty 11 tariff lines · average 6.5% 
Brazil Free – 12.6% Third-country duty 20 tariff lines · average 8.2% 
Argentina Free – 12.6% Third-country duty 22 tariff lines · average 8% 
Peru Free – 6% Third-country duty 4 tariff lines · average 4.5% 
New Zealand Free – 5% Third-country duty 4 tariff lines · average 2.5% 
Japan 2.8% – 3.9% Third-country duty 2 tariff lines · average 3.4% 
Taiwan 1% – 4% Third-country duty 2 tariff lines · average 2.5% 
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 7 tariff lines 
Nigeria 5% Third-country duty 1 tariff line UK lines: 3906.90
- 3906 90 10 00Acrylic polymers in primary forms: other, poly[n-(3-hydroxyimino-1.1-dimethylbutyl)acrylamide]
- 3906 90 20 00Copolymer of 2-diisopropylaminoethyl methacrylate with decyl methacrylate, in the form of a solution in n,n-dimethylacetamide, containing by weight 55% or more of copolymer
- 3906 90 30 00Copolymer of acrylic acid with 2-ethylhexyl acrylate, containing by weight 10% or more but not more than 11% of 2-ethylhexyl acrylate
- 3906 90 40 00Copolymer of acrylonitrile with methyl acrylate, modified with polybutadiene-acrylonitrile (nbr)
- 3906 90 50 00Polymerisation product of acrylic acid with alkyl methacrylate and small quantities of other monomers, for use as a thickener in the manufacture of textile printing pastes
- 3906 90 60 00Copolymer of methyl acrylate with ethylene and a monomer containing a non-terminal carboxy group as a substituent, containing by weight 50% or more of methyl acrylate, whether or not compounded with silica
- 3906 90 90 17Superabsorbent polymers, insoluble in water, which result from a polymerisation of acrylic monomer molecules with crosslinkers to form crosslinked polymer networks, with a high capacity to absorb and retain water and aqueous liquids
- 3906 90 90 23Copolymer of methylmethacrylate, butylacrylate, glycidylmethacrylate and styrene (cas rn 37953-21-2), with an epoxy equivalent weight of not more than 500, in form of ground flakes with a particle size of not more than 1 cm
- 3906 90 90 28Mixture containing by weight: -80% or more but not more than 90% of a core shell polymer of butyl acrylate, ethyl acrylate, methyl-acrylate and allyl methacrylate (cas rn 73026-23-0) and -10% or more but not more than 20% of a copolymer of methyl methacrylate and ethyl acrylate (cas rn 9010-88-2)
- 3906 90 90 43Copolymer of methacrylic esters, butylacrylate and cyclic dimethylsiloxanes (cas rn 143106-82-5)
- 3906 90 90 50Polymers of esters of acrylic acid with one or more of the following monomers in the chain: - chloromethyl vinyl ether, - chloroethyl vinyl ether, - chloromethylstyrene, - vinyl chloroacetate, - methacrylic acid, - butenedioic acid monobutyl ester, - butenedioic acid monocyclohexyl ester containing by weight not more than 5% of each monomer unit
- 3906 90 90 58Mixture of polymers, containing by weight: -77% or more but not more than 81% of polyacrylamide (cas rn 9003-05-8), -18% or more but not more than 21% of polyethylene glycol (cas rn 25322-68-3)
- 3906 90 90 60Aqueous dispersion containing by weight: - more than 10% but not more than 15% of ethanol, and - more than 7% but not more than 11% of a reaction product of poly(epoxyalkylmethacrylate-co-divinylbenzene) with a glycerol derivative
- 3906 90 90 71Acrylonitrile-styrene-acrylate copolymer in the form of granules containing by weight: -48% of styrene, -22% of acrylonitrile, -29% of butylacrylate, and -1% of dihydrodicyclopentadienyl acrylate
- 3906 90 90 73Preparation containing by weight: - 33% or more but not more than 37% of butyl methacrylate - methacrylic acid copolymer, - 24% or more but not more than 28% of propylene glycol, and - 37% or more but not more than 41% of water
- 3906 90 90 90Acrylic polymers in primary forms: 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.
- N323870 U.S. CBP
The tariff classification of acrylamidopropyltrimonium chloride/acrylamide copolymer (CAS 75150-29-7) from Switzerland
- N320540 U.S. CBP
The tariff classification of a acrylic copolymer from China
- N319987 U.S. CBP
The tariff classification of a acrylic copolymers from China
- N319988 U.S. CBP
The tariff classification of a acrylic copolymers from China
10 rulings in total for this code
Legal notes
Commodity code 3906 90 90 43 is a line of the UK Global Tariff under HS subheading 3906.90 (acrylic polymers in primary forms: other).
The third-country duty is 6%.
174 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 6%.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of other acrylic polymers, primary (HS 3906.90) into the UK came to £326.9m between September 2025 and August 2026 (down 5% on the year before); Germany supplied 23%, followed by France.
For the same subheading, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.3%, the Canada duty is free, the Mexico duty is 0%–10%, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is 0%–6%, the New Zealand duty is 0%–5%, the Japan duty is 2.8%–3.9%, the Taiwan duty is 1%–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 3906.90 worth US$446m in 2024; the largest supplier was France.
Questions and answers
What is the UK import duty for commodity code 3906 90 90 43?
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 3906 90 90 43?
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 3906 90 90 43?
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 3906.90 as a whole, the largest supplier in 2024 was France (US$99m), followed by Germany.