Subheading · Chapter 39 · Heading 3910
3910.00: Silicones in primary forms
Silicones, primary
3910.00 is the HS subheading for silicones, primary, under heading 3910 in chapter 39.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3910 00 00 10 Liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (cas rn 63148-57-2) with a purity by weight of 99.9% or more 6%
- 3910 00 00 15 Dimethyl, methyl(propyl(polypropylene oxide)) siloxane (cas rn 68957-00-6), trimethylsiloxy-terminated 6%
- 3910 00 00 20 Block copolymer of poly(methyl-3.3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane] 6%
- 3910 00 00 25 Preparations containing by weight: - 10% or more, 2-hydroxy-3-[3-[1.3,3.3-tetramethyl-1-[(trimethylsilyl)oxy] disiloxanyl] propoxy] propyl-2-methyl-2-propenoate (cas rn 69861-02-5)and - 10% or more, α-butyldimethylsilyl- ω -3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]propyl-terminated silicone polymer (cas rn 146632-07-7) 6%
- 3910 00 00 35 Preparations containing by weight: - 30% or more, α -butyldimethylsilyl- ω -(3-methacryloxy-2-hydroxypropyloxy)propyldimethylsilyl-polydimethylsiloxane (cas rn 662148-59-6) and - 10% or more, n,n - dimethylacrylamide (cas rn 2680-03-7) 6%
- 3910 00 00 40 Silicones of a kind used in the manufacture of long term surgical implants 6%
- 3910 00 00 45 Dimethyl siloxane, hydroxy-terminated polymer with a viscosity of 38-100 mpa·s (cas rn 70131-67-8) 6%
- 3910 00 00 50 Silicone based pressure sensitive adhesive in solvent containing copoly(dimethylsiloxane/diphenylsiloxane) gum 6%
- 3910 00 00 55 Preparation containing by weight: - 55% or more but not more than 65% of vinyl terminated polydimethylsiloxane (cas rn 68083-19-2), - 30% or more but not more than 40% of dimethylvinylated and trimethylated silica (cas rn 68988-89-6), and - 1% or more but not more than 5% of silicic acid, sodium salt, reaction products with chlorotrimethylsilane and isopropyl alcohol (cas rn 68988-56-7) 6%
- 3910 00 00 70 Passivating silicon coating in primary form, to protect edges and prevent short circuits in semiconductor devices 6%
- 3910 00 00 85 Two-component silicone, with a viscosity of the mixture of 3 000 cps or more, but not more than 6 000 cps (according to standard gb/t 2794) for use as an electrical insulation material in solar panels junction box in the production of solar panels 6%
- 3910 00 00 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 5
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
- 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)
- Tariff lines
- on 2 of 12 lines
- 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 10 of 12 lines
- Duty suspensionAutonomous tariff suspension Free
- Applies to goods from
- all countries except Belarus, Russia
- In force
- until 31 December 2028
- Legal act
- 2020 No. 1435
- Documents
- 9Y12
- Tariff lines
- on 1 of 12 lines
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 |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Germany | £57.1m | 29% | +0.7% |
 United States | £54.9m | 27.9% | -0.8% |
 Japan | £16.1m | 8.2% | -14.8% |
 France | £15.6m | 7.9% | -4.4% |
 China | £14.6m | 7.4% | +8.7% |
 Italy | £11.5m | 5.8% | -4.2% |
 Belgium | £7.6m | 3.9% | -5.2% |
 Canada | £3.4m | 1.7% | +55.4% |
Same subheading in other tariffs
EU 6.5% Third-country duty 1 tariff line 
Türkiye 6.5% Third-country duty 3 tariff lines USA 3% General (MFN) 1 tariff line Canada Free Third-country duty 2 tariff lines 
Mexico Free – 6% Third-country duty 6 tariff lines · average 1.8% 
Brazil Free – 12.6% Third-country duty 8 tariff lines · average 7.9% 
Argentina Free – 12.6% Third-country duty 8 tariff lines · average 7.9% 
Peru Free Third-country duty 2 tariff lines 
New Zealand Free – 5% Third-country duty 4 tariff lines · average 3.8% Japan 3.9% Third-country duty 2 tariff lines 
Taiwan 1.2% – 4% Third-country duty 5 tariff lines · average 2.8% 
GCC 5% Third-country duty 3 tariff lines 
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$328kUS$328k+US$6m+US$87m+> US$412m
Exports: 144
- Germany: US$2bn
- China: US$2bn
- United States: US$1bn
- Japan: US$866m
- Belgium: US$412m
- France: US$385m
- United Kingdom: US$356m
- South Korea: US$299m
- Netherlands: US$279m
- Thailand: US$259m
- Italy: US$160m
- Canada: US$132m
- Spain: US$92m
- Taiwan: US$87m
- India: US$84m
- Czechia: US$50m
- Türkiye: US$48m
- Brazil: US$44m
- Singapore: US$43m
- Malaysia: US$27m
- Sweden: US$26m
- Vietnam: US$24m
- Poland: US$22m
- Switzerland: US$16m
- Hong Kong SAR China: US$15m
- Austria: US$13m
- Indonesia: US$13m
- Hungary: US$10m
- Russia: US$9m
- Ireland: US$9m
- Portugal: US$8m
- Denmark: US$8m
- Slovenia: US$8m
- Romania: US$8m
- Mexico: US$6m
- South Africa: US$4m
- Bulgaria: US$4m
- Israel: US$4m
- Australia: US$4m
- United Arab Emirates: US$3m
- Colombia: US$3m
- Armenia: US$3m
- Finland: US$2m
- Costa Rica: US$2m
- Lithuania: US$2m
- Latvia: US$2m
- Norway: US$2m
- Croatia: US$2m
- Saudi Arabia: US$2m
- Paraguay: US$1m
- Argentina: US$1m
- Luxembourg: US$1m
- Slovakia: US$1m
- Greece: US$1m
- Estonia: US$989k
- Serbia: US$951k
- Guatemala: US$870k
- Egypt: US$707k
- Peru: US$683k
- New Zealand: US$674k
Trade value (US$) no reported trade < US$1mUS$1m+US$12m+US$119m+> US$364m
Imports: 215
- China: US$836m
- United States: US$707m
- South Korea: US$515m
- Germany: US$451m
- Netherlands: US$386m
- Italy: US$377m
- India: US$364m
- Belgium: US$337m
- Mexico: US$335m
- France: US$273m
- United Kingdom: US$257m
- Vietnam: US$247m
- Brazil: US$218m
- Türkiye: US$195m
- Japan: US$182m
- Malaysia: US$172m
- Spain: US$170m
- Thailand: US$166m
- Canada: US$153m
- Taiwan: US$132m
- Poland: US$119m
- Indonesia: US$119m
- Austria: US$111m
- Hong Kong SAR China: US$105m
- Russia: US$97m
- Singapore: US$88m
- Romania: US$73m
- Czechia: US$71m
- United Arab Emirates: US$71m
- Hungary: US$62m
- Philippines: US$61m
- Sweden: US$60m
- Switzerland: US$60m
- Colombia: US$52m
- Ireland: US$51m
- Portugal: US$50m
- Finland: US$45m
- Pakistan: US$44m
- Saudi Arabia: US$40m
- Bangladesh: US$36m
- Australia: US$36m
- Egypt: US$33m
- Israel: US$33m
- Argentina: US$30m
- Slovenia: US$26m
- South Africa: US$24m
- Norway: US$22m
- Costa Rica: US$19m
- Peru: US$19m
- Chile: US$17m
- Iran: US$14m
- Algeria: US$13m
- Greece: US$13m
- Tunisia: US$12m
- Luxembourg: US$12m
- Sri Lanka: US$12m
- Slovakia: US$12m
- Ecuador: US$11m
- Denmark: US$11m
- Dominican Republic: US$10m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Germany | US$2bn | 20.1% |
| 2 | China | US$2bn | 18% |
| 3 | United States | US$1bn | 16.2% |
| 4 | Japan | US$866m | 10.2% |
| 5 | Belgium | US$412m | 4.9% |
| 6 | France | US$385m | 4.5% |
| 7 | United Kingdom | US$356m | 4.2% |
| 8 |  South Korea | US$299m | 3.5% |
| 9 |  Netherlands | US$279m | 3.3% |
| 10 |  Thailand | US$259m | 3.1% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$836m | 9.8% |
| 2 | United States | US$707m | 8.3% |
| 3 | South Korea | US$515m | 6.1% |
| 4 | Germany | US$451m | 5.3% |
| 5 | Netherlands | US$386m | 4.5% |
| 6 | Italy | US$377m | 4.4% |
| 7 |  India | US$364m | 4.3% |
| 8 | Belgium | US$337m | 4% |
| 9 | Mexico | US$335m | 3.9% |
| 10 | France | US$273m | 3.2% |
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
- 58number 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 | 5% | 2021 · HS 2007 | |
| Argentina | 9.5% | 2% – 14% | 2023 · HS 2017 |
 Armenia | 2.2% | 0% – 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 | 4.3% | 0% – 6.5% | 2021 · HS 2017 |
 Belize | 0% | 2023 | |
 Benin | 5% | 2023 | |
 Bermuda | 25% | 2023 | |
 Bhutan | 10% | 2022 | |
 Bolivia | 10% | 2023 · HS 2017 | |
 Bosnia & Herzegovina | 0% | 2022 | |
 Botswana | 0% | 2023 | |
| Brazil | 9.5% | 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 | 0% | 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 | 0% | 2023 | |
 Ecuador | 0% | 2023 · HS 2017 | |
 Egypt | 2% | 2019 · HS 2017 | |
 El Salvador | 0% | 2022 | |
 Equatorial Guinea | 10% | 2023 | |
 Eswatini | 0% | 2023 | |
 Ethiopia | 5% | 2021 · HS 2017 | |
| European Union (27 countries) | 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 | 5% | 0% – 10% | 2020 · HS 2017 |
 Honduras | 0% | 2023 | |
 Hong Kong SAR China | 0% | 2023 | |
 Iceland | 0% | 2023 | |
| India | 7.5% | 2023 | |
 Indonesia | 5% | 2023 | |
 Iran | 7.5% | 5% – 10% | 2020 · HS 2017 |
 Israel | 0% | 2022 · HS 2017 | |
 Jamaica | 0% | 2023 | |
| Japan | 3.9% | 2023 | |
 Jordan | 0% | 2023 | |
 Kazakhstan | 2.2% | 0% – 6.5% | 2023 |
 Kenya | 0% | 2023 | |
 Kiribati | 20% | 2023 · HS 2002 | |
 Kuwait | 5% | 2023 | |
 Kyrgyzstan | 4.3% | 0% – 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 | 0.6%* | 2021 · HS 2017 | |
 Macao SAR China | 0% | 2023 | |
 Madagascar | 5% | 2023 | |
 Malawi | 0% | 2021 · HS 2017 | |
 Malaysia | 0% | 2023 | |
 Maldives | 20% | 2023 | |
 Mali | 5% | 2023 | |
 Mauritania | 5% | 2023 · HS 2017 | |
 Mauritius | 0% | 2023 | |
| Mexico | 1.8% | 0% – 6% | 2023 · HS 2017 |
 Micronesia | 4% | 2021 · HS 2017 | |
 Moldova | 6.5% | 2023 · HS 2017 | |
 Mongolia | 5% | 2023 | |
 Montserrat | 15% | 2023 · HS 2017 | |
 Morocco | 2.5% | 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 | 0% | 2023 | |
 Palau | 3% | 2023 · HS 2012 | |
 Palestinian Territories | 0% | 2017 · HS 2017 | |
 Panama | 0% | 2023 | |
 Papua New Guinea | 0% | 2023 | |
 Paraguay | 7.8% | 0% – 14% | 2023 · HS 2017 |
| Peru | 0% | 2023 · HS 2017 | |
 Philippines | 1% | 2023 | |
 Qatar | 5% | 2023 | |
 Russia | 4.3% | 0% – 6.5% | 2021 · HS 2017 |
 Rwanda | 0% | 2023 | |
 Samoa | 8% | 2020 · HS 2017 | |
 São Tomé & Príncipe | 10% | 2019 · HS 2017 | |
 Saudi Arabia | 6.5% | 2023 | |
 Senegal | 5% | 2023 | |
 Seychelles | 0% | 2023 | |
 Sierra Leone | 5% | 2023 | |
 Singapore | 0% | 2023 · HS 2017 | |
 Solomon Islands | 10% | 2023 · HS 2017 | |
 Somalia | 15% | 2023 · HS 2017 | |
 South Africa | 0% | 2023 | |
| South Korea | 6.5% | 2023 | |
 Sri Lanka | 0% | 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 | 0.5%* | 2023 | |
 Syria | 1% | 2020 · HS 2012 | |
 Tajikistan | 6.5% | 2021 · HS 2012 | |
 Tanzania | 0% | 2023 | |
| Thailand | 1.5% | 0% – 3% | 2023 |
 Togo | 5% | 2023 | |
 Tonga | 15% | 2023 · HS 2017 | |
 Trinidad & Tobago | 0% | 2023 · HS 2012 | |
| Türkiye | 6.5% | 2023 | |
 Tuvalu | 0% | 2017 · HS 2017 | |
 Uganda | 0% | 2023 | |
 Ukraine | 4.5% | 2% – 6.5% | 2023 · HS 2017 |
 United Arab Emirates | 5% | 2023 | |
| United Kingdom | 6% | 2023 | |
| United States | 3% | 2023 | |
 Uruguay | 9.5% | 2% – 14% | 2023 · HS 2017 |
 Uzbekistan | 0% | 2021 · HS 2017 | |
 Vanuatu | 0% | 2023 | |
 Venezuela | 9.5% | 2% – 14% | 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
- 57593 Silicones in primary forms
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211210
- CPC 2.1 product
- 34790 Other plastics in primary forms; ion exchangers
- ISIC Rev. 4 activity
- 2013 Manufacture of plastics and synthetic rubber in primary forms
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 3910.00 | unchanged |
| 2012 | 3910.00 | unchanged |
| 2007 | 3910.00 | unchanged |
| 2002 | 3910.00 | unchanged |
| 1996 | 3910.00 | unchanged |
| 1992 | 3910.00 | unchanged |
Correspondence tables of the United Nations Statistics Division (UNSD)
Binding rulings for similar goods 7
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.
- N359943 U.S. CBP
The tariff classification of silicone grease from Canada
- N359379 U.S. CBP
The tariff classification of silicone paste from Germany
- N327310 U.S. CBP
The tariff classification of silicone resin bead powder from Taiwan
- N326189 U.S. CBP
The tariff classification and country of origin of bulk polydimethylsiloxane
- N308628 U.S. CBP
The tariff classification of silicone gel cleaner from China
- N306159 U.S. CBP
The tariff classification of polymethyl hydride siloxane (CAS # 63148-57-2) from Hungary
7 rulings in total for this code
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.
- Tariff change
UK Trade Tariff: measure changes on 64 commodity codes
Trade Tariff changes 2026-08-05 · Source: trade-tariff.service.gov.uk
- Import and export controls
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
- Quota · Applies from:
CELEX 32026R1465 · Source: eur-lex.europa.eu
In the UK Global Tariff, subheading 3910.00 covers 12 tariff lines and the duty is 6%.
The EU Combined Nomenclature has one tariff line for subheading 3910.00; the duty is 6.5%.
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 silicones, primary worth £196.7m (down 1% on the year before), at an average of £1.74 per kg; Germany supplied 29%, followed by United States.
World trade in silicones, primary reached US$8bn in 2024, up 1.2% on 2023.
Germany was the largest exporter with 20.1% of the total, ahead of China.
Questions and answers
What is the HS code for silicones in primary forms?
Silicones in primary forms fall under HS subheading 3910.00, part of heading 3910, in section VII of the Harmonized System.
What is the import duty on silicones in primary forms in the UK?
Under the UK Global Tariff, imports under 3910.00 from countries without a preferential agreement are charged at 6%. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on silicones in primary forms in the EU?
Under the EU Combined Nomenclature, imports under 3910.00 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most silicones in primary forms?
Germany, with US$2bn in 2024 (20.1% of world exports).
Which countries can export silicones, primary 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 6% applies. Pick a country above to see its rate.
Is there anti-dumping duty on silicones, 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 silicones, primary from?
In the 12 months to August 2026, the largest suppliers were Germany (29%), United States (28%) and Japan (8%), out of total imports of £196.7m.