Subheading · Chapter 40 · Heading 4002
4002.39: Isobutene-isoprene: other
Halobutyl rubber (other IIR)
Official description Other
4002.39 is the HS subheading for halobutyl rubber (other IIR), under heading 4002 in chapter 40.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 4002 39 00 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
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 598
- Documents
- 9014
- 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)
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 |
| 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 Kingdom | £519k | 60.5% | +350.5% |
 United States | £266k | 31.1% | +68.7% |
 China | £33k | 3.8% | -75.3% |
 Norway | £11k | 1.2% | — |
 Switzerland | £10k | 1.2% | — |
 India | £8k | 0.9% | -45.8% |
 Singapore | £7k | 0.8% | +100.7% |
 Belgium | £3k | 0.4% | -89.7% |
Same subheading in other tariffs
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 1 tariff line USA Free General (MFN) 1 tariff line 
Canada Free Third-country duty 1 tariff line 
Mexico Free – 5% Third-country duty 2 tariff lines · average 2.5% 
Brazil Free Third-country duty 1 tariff line 
Argentina Free Third-country duty 5 tariff lines 
Peru Free Third-country duty 3 tariff lines 
New Zealand Free – 5% Third-country duty 2 tariff lines · average 2.5% 
Japan Free Third-country duty 1 tariff line 
Taiwan 2% 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 World trade in 2024
Trade value (US$) no reported trade < US$258kUS$258k+US$5m+US$192m+> US$250m
Exports: 61
- United States: US$348m
- Singapore: US$250m
- United Kingdom: US$244m
- Russia: US$211m
- Belgium: US$200m
- China: US$192m
- Canada: US$171m
- Saudi Arabia: US$139m
- Netherlands: US$42m
- Japan: US$38m
- Türkiye: US$14m
- India: US$10m
- Germany: US$8m
- Hungary: US$6m
- Poland: US$5m
- Taiwan: US$3m
- Czechia: US$3m
- France: US$3m
- Lithuania: US$2m
- Malaysia: US$2m
- South Korea: US$2m
- Hong Kong SAR China: US$2m
- Austria: US$1m
- United Arab Emirates: US$653k
- Brazil: US$643k
- Italy: US$589k
- Switzerland: US$533k
- Australia: US$389k
- Romania: US$337k
- Spain: US$258k
- Slovenia: US$214k
- Serbia: US$197k
- Vietnam: US$182k
- Guatemala: US$154k
- Egypt: US$150k
- Colombia: US$138k
- Sweden: US$135k
- Pakistan: US$120k
- Mexico: US$104k
- Slovakia: US$95k
- Latvia: US$90k
- Andorra: US$88k
- Thailand: US$85k
- Chile: US$68k
- Luxembourg: US$67k
- Indonesia: US$48k
- Malta: US$30k
- New Zealand: US$28k
- Denmark: US$24k
- Finland: US$13k
- Ireland: US$8k
- Bulgaria: US$7k
- Greece: US$7k
- South Africa: US$3k
- Israel: US$1k
- Estonia: US$1k
- Norway: US$800
- Ecuador: US$500
- Portugal: US$300
- Costa Rica: US$0
Trade value (US$) no reported trade < US$457kUS$457k+US$10m+US$46m+> US$113m
Imports: 114
- China: US$336m
- Belgium: US$270m
- Thailand: US$126m
- India: US$113m
- Brazil: US$86m
- Türkiye: US$77m
- Vietnam: US$75m
- Mexico: US$70m
- Germany: US$68m
- South Korea: US$67m
- United States: US$62m
- Netherlands: US$46m
- Singapore: US$42m
- Japan: US$42m
- Indonesia: US$39m
- Poland: US$38m
- Italy: US$38m
- Serbia: US$32m
- Romania: US$30m
- Slovakia: US$26m
- France: US$22m
- Czechia: US$20m
- Taiwan: US$16m
- Slovenia: US$13m
- Spain: US$13m
- Portugal: US$12m
- Argentina: US$10m
- Canada: US$10m
- Hungary: US$10m
- Malaysia: US$9m
- United Arab Emirates: US$9m
- Chile: US$8m
- Cambodia: US$7m
- Philippines: US$7m
- Luxembourg: US$6m
- Finland: US$6m
- Egypt: US$5m
- South Africa: US$4m
- Ukraine: US$4m
- Denmark: US$4m
- Pakistan: US$4m
- Costa Rica: US$3m
- Iran: US$2m
- Hong Kong SAR China: US$2m
- Uzbekistan: US$2m
- Ecuador: US$2m
- Nepal: US$906k
- Algeria: US$774k
- Tunisia: US$728k
- Bangladesh: US$712k
- Malta: US$707k
- United Kingdom: US$673k
- Sri Lanka: US$612k
- Switzerland: US$504k
- Kazakhstan: US$496k
- Estonia: US$457k
- Colombia: US$427k
- Papua New Guinea: US$388k
- Russia: US$380k
- Saudi Arabia: US$363k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$348m | 18.3% |
| 2 | Singapore | US$250m | 13.1% |
| 3 | United Kingdom | US$244m | 12.8% |
| 4 |  Russia | US$211m | 11.1% |
| 5 | Belgium | US$200m | 10.5% |
| 6 | China | US$192m | 10.1% |
| 7 | Canada | US$171m | 9% |
| 8 |  Saudi Arabia | US$139m | 7.3% |
| 9 |  Netherlands | US$42m | 2.2% |
| 10 | Japan | US$38m | 2% |
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
- 54number 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 | 0% | 2023 | |
 Algeria | 5% | 2023 | |
 Angola | 0% | 2023 · HS 2017 | |
 Anguilla | 10% | 2021 · HS 2017 | |
 Antigua & Barbuda | 0% | 2021 · HS 2007 | |
| Argentina | 2% | 2023 · HS 2017 | |
 Armenia | 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 | 5% | 2021 · HS 2017 | |
 Belize | 5% | 2023 | |
 Benin | 5% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 10% | 2022 | |
 Bolivia | 5% | 2023 · HS 2017 | |
 Bosnia & Herzegovina | 0% | 2022 | |
 Botswana | 5% | 0% – 10% | 2023 |
| Brazil | 2% | 2023 · HS 2017 | |
 Brunei | 0% | 2023 · HS 2017 | |
 Burkina Faso | 5% | 2023 | |
 Burundi | 0% | 2023 | |
 Cambodia | 7% | 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 | 7.5% | 2023 | |
 Colombia | 0% | 2023 · HS 2017 | |
 Comoros | 5% | 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 | 5% | 2023 · HS 2017 | |
 Dominica | 5% | 2023 · HS 2017 | |
 Dominican Republic | 8% | 2023 | |
 Ecuador | 0% | 2023 · HS 2017 | |
 Egypt | 2% | 2019 · HS 2017 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 5% | 0% – 10% | 2023 |
 Ethiopia | 5% | 2021 · HS 2017 | |
| European Union (27 countries) | 0% | 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 | 10% | 2023 | |
 Indonesia | 5% | 2023 | |
 Iran | 5% | 2020 · HS 2017 | |
 Israel | 0% | 2022 · HS 2017 | |
 Jamaica | 0% | 2023 | |
| Japan | 0% | 2023 | |
 Jordan | 0% | 2023 | |
 Kazakhstan | 5% | 2023 | |
 Kenya | 0% | 2023 | |
 Kiribati | 0% | 2023 · HS 2002 | |
 Kuwait | 5% | 2023 | |
 Kyrgyzstan | 5% | 2021 · HS 2017 | |
 Laos | 5% | 2023 · HS 2017 | |
 Lebanon | 0% | 2020 · HS 2017 | |
 Lesotho | 5% | 0% – 10% | 2023 |
 Liberia | 5% | 2023 | |
 Libya | 5% | 2021 · HS 2017 | |
 Liechtenstein | 0%* | 2021 · HS 2017 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 5% | 2023 | |
 Malawi | 10% | 2021 · HS 2017 | |
 Malaysia | 13% | 0% – 25% | 2023 |
 Maldives | 20% | 2023 | |
 Mali | 5% | 2023 | |
 Mauritania | 5% | 2023 · HS 2017 | |
 Mauritius | 0% | 2023 | |
| Mexico | 2.5% | 0% – 5% | 2023 · HS 2017 |
 Micronesia | 4% | 2021 · HS 2017 | |
 Moldova | 5% | 2023 · HS 2017 | |
 Mongolia | 5% | 2023 | |
 Montserrat | 5% | 2023 · HS 2017 | |
 Morocco | 2.5% | 2023 | |
 Mozambique | 2.5% | 2023 | |
 Myanmar (Burma) | 3% | 2023 · HS 2017 | |
 Namibia | 5% | 0% – 10% | 2023 |
 Nauru | 10% | 2021 · HS 2017 | |
 Nepal | 5% | 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 | 0% | 2023 | |
 Palau | 3% | 2023 · HS 2012 | |
 Palestinian Territories | 0% | 2017 · HS 2017 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Paraguay | 2% | 2023 · HS 2017 | |
| Peru | 0% | 2023 · HS 2017 | |
 Philippines | 3% | 2023 | |
 Qatar | 5% | 2023 | |
| Russia | 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 | 5% | 0% – 10% | 2023 |
 South Korea | 5% | 2023 | |
 Sri Lanka | 0% | 2023 | |
 St Kitts & Nevis | 0% | 2023 | |
 St Lucia | 5% | 2023 · HS 2012 | |
 St Pierre & Miquelon | 3% | 2021 · HS 2017 | |
 St Vincent & the Grenadines | 5% | 2023 | |
 Sudan | 3% | 2021 · HS 2017 | |
 Suriname | 5% | 2023 · HS 2007 | |
| Switzerland | 0%* | 2023 | |
 Syria | 3% | 1% – 5% | 2020 · HS 2012 |
 Tajikistan | 8% | 2021 · HS 2012 | |
 Tanzania | 0% | 2023 | |
 Thailand | 0% | 2023 | |
 Togo | 5% | 2023 | |
 Tonga | 15% | 2023 · HS 2017 | |
 Trinidad & Tobago | 0% | 2023 · HS 2012 | |
| Türkiye | 0% | 2023 | |
 Tuvalu | 0% | 2017 · HS 2017 | |
 Uganda | 0% | 2023 | |
 Ukraine | 0% | 2023 · HS 2017 | |
 United Arab Emirates | 5% | 2023 | |
| United Kingdom | 0% | 2023 | |
| United States | 0% | 2023 | |
 Uruguay | 2% | 2023 · HS 2017 | |
 Uzbekistan | 0% | 2021 · HS 2017 | |
 Vanuatu | 5% | 2023 | |
 Venezuela | 2% | 2023 · HS 2017 | |
 Vietnam | 0% | 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
- 23213 Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR/BIIR).
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211210
- CPC 2.1 product
- 34800 Synthetic rubber and factice derived from oils, and mixtures thereof with natural rubber and similar natural gums, in primary forms or in plates, sheets or strip
- ISIC Rev. 4 activity
- 2013 Manufacture of plastics and synthetic rubber in primary forms
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 4002.39 | unchanged |
| 2012 | 4002.39 | unchanged |
| 2007 | 4002.39 | unchanged |
| 2002 | 4002.39 | unchanged |
| 1996 | 4002.39 | unchanged |
| 1992 | 4002.39 | unchanged |
Correspondence tables of the United Nations Statistics Division (UNSD)
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
- Sanctions · Applies from:
The Russia (Sanctions) (EU Exit) (Amendment) Regulations 2026
S.I. 2026/543 · Source: legislation.gov.uk
The UK Global Tariff has one tariff line for subheading 4002.39; the duty is duty-free.
Subheading 4002.39 is a single line in the EU Combined Nomenclature, where the duty is duty-free.
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 Free.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
Imports of halobutyl rubber (other IIR) into the UK came to £857k between September 2025 and August 2026 (up 85% on the year before); United Kingdom supplied 61%, followed by United States.
In 2024, countries exported halobutyl rubber (other IIR) worth US$2bn (+1.6% year on year).
The largest exporter was the United States (US$348m), followed by Singapore.
Questions and answers
What is the HS code for isobutene-isoprene: other?
Isobutene-isoprene: other fall under HS subheading 4002.39, part of heading 4002, in section VII of the Harmonized System.
What is the import duty on isobutene-isoprene: other in the UK?
Under the UK Global Tariff, imports under 4002.39 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 isobutene-isoprene: other in the EU?
Under the EU Combined Nomenclature, imports under 4002.39 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 isobutene-isoprene: other?
The United States, with US$348m in 2024 (18.3% of world exports).
Which countries can export halobutyl rubber (other IIR) 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.
Is there anti-dumping duty on halobutyl rubber (other IIR)?
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 halobutyl rubber (other IIR) from?
In the 12 months to August 2026, the largest suppliers were United Kingdom (61%), United States (31%) and China (4%), out of total imports of £857k.