UK Global Tariff · commodity code · HS 3812.39
3812 39 90 35: Other stabilisers for rubber and plastics: Mixture containing by weight: - 25% or more but not more than 55% of a mixture of c15-18 tetramethylpiperidinyl esters (cas rn 86403-32-9) - not more than 20% of other organic compounds - on a carrier of polypropylene (cas rn 9003-07-0) or amorphous silica (cas rn 7631-86-9 or 112926-00-8)
Other stabilisers for rubber and plastics
✓ Can be used in a customs declaration Data: UK Global Tariff · checked on 24 October 2026
- 3812 Prepared rubber accelerators; compound plasticisers for rubber or plastics, not elsewhere specified or included; anti-oxidising preparations and other compound stabilisers for rubber or plastics
- Anti-oxidising preparations and other compound stabilisers for rubber or plastics
- 3812 39 00 00 Other
- 3812 39 90 00 Other
- 3812 39 90 35 Mixture containing by weight: - 25% or more but not more than 55% of a mixture of c15-18 tetramethylpiperidinyl esters (cas rn 86403-32-9) - not more than 20% of other organic compounds - on a carrier of polypropylene (cas rn 9003-07-0) or amorphous silica (cas rn 7631-86-9 or 112926-00-8)
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
- 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)
- 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 1
- 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
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 |
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 3812.39
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
 Germany | £12.8m | 27.4% | -3.6% |
 Italy | £7.6m | 16.2% | -4.1% |
 China | £6.4m | 13.8% | -14.8% |
 United States | £4m | 8.6% | +3.9% |
 Switzerland | £3.7m | 7.9% | -19.1% |
 Netherlands | £3.1m | 6.6% | +10.5% |
 Austria | £3m | 6.5% | -6.8% |
 Denmark | £1.7m | 3.5% | +18.1% |
Same subheading in other tariffs
3812.39 Anti-oxidising preparations and other compound stabilisers: other
EU 6.5% Third-country duty 2 tariff lines 
Türkiye 6.5% Third-country duty 3 tariff lines USA Free – 6.5% General (MFN) 5 tariff lines · average 3.6% 
Canada Free Third-country duty 5 tariff lines 
Mexico Free – 6% Third-country duty 6 tariff lines · average 2.8% 
Brazil Free – 12.6% Third-country duty 5 tariff lines · average 10.1% 
Argentina Free – 12.6% Third-country duty 7 tariff lines · average 10.8% 
Peru Free – 6% Third-country duty 2 tariff lines · average 3% 
New Zealand Free Third-country duty 1 tariff line 
Japan 2.6% – 4.4% Third-country duty 2 tariff lines · average 3.5% 
Taiwan 5% Third-country duty 2 tariff lines 
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 2 tariff lines 
Nigeria 5% Third-country duty 1 tariff line UK lines: 3812.39
- 3812 39 10 00Anti-oxidising preparations and other compound stabilisers: other, anti-oxidising preparations
- 3812 39 90 23Uv stabilizer, containing by weight: -more than 97% but not more than 99.8% of bis(2.4-dicumylphenyl)pentaerythritol diphosphite (cas rn 154862-43-8) and -more than 0.2% but not more than 2% of triisopropanolamine (cas rn 122-20-3)
- 3812 39 90 25Uv photo stabiliser containing: - α-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-hydroxypoly(oxy-1.2-ethanediyl) (cas rn 104810-48-2); - α-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-ω-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropoxy]poly (oxy-1.2-ethanediyl) (cas rn 104810-47-1); - polyethylene glycol of a weight average molecular weight (mw) of 300 (cas rn 25322-68-3) - bis (1.2,2.6,6-pentamethyl-4-piperidyl)sebacate (cas rn 41556-26-7), and - methyl-1.2,2.6,6-pentamethyl-4- piperidyl sebacate (cas rn 82919-37-7)
- 3812 39 90 28Uv stabilizer based on a mixture of -reaction mass of poly(oxy-1.2-ethanediyl), .alpha.-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-.omega.-hydroxy- and poly(oxy-1.2-ethanediyl), .alpha.-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-.omega.-[3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropoxy] (ec number 400-830-7) with a purity by weight of 60% or more, but not more than 80%, and -reaction mass of bis(1.2,2.6,6-pentamethyl-4-piperidyl) sebacate and methyl 1.2,2.6,6-pentamethyl-4-piperidyl sebacate (cas rn 1065336-91-5) with a purity by weight of 25% or more, but not more than 40%
- 3812 39 90 33Uv stabilizer based on: -a mixture of branched and linear c7-c9 alkyl 3-[3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxyphenyl]propionates (cas rn 127519-17-9) with a content by weight of 40% or more, but not more than 60%, and -a mixture of: bis(2.2,6.6-tetramethyl-1-octyloxypiperidin-4-yl)-1.10-decanedioate and 1.8-bis[(2.2,6.6-tetramethyl-4-((2.2,6.6-tetramethyl-1-octyloxypiperidin-4-yl)-decan-1.10-dioyl)piperidin-1-yl)oxy]octane (cas rn 129757-67-1) with a content by weight of 40% or more, but not more than 60%
- 3812 39 90 35Mixture containing by weight: - 25% or more but not more than 55% of a mixture of c15-18 tetramethylpiperidinyl esters (cas rn 86403-32-9) - not more than 20% of other organic compounds - on a carrier of polypropylene (cas rn 9003-07-0) or amorphous silica (cas rn 7631-86-9 or 112926-00-8)
- 3812 39 90 38Uv stabiliser containing by weight: -75% or more but not more than 95% of the reaction product of 2-(4.6-bis(2.4-dimethylphenyl)-1.3,5-triazin-2-yl)-5-hydroxyphenol with ((c10-16, rich in c12-13 alkyloxy) methyl) oxyrane -5% or more but not more than 25% of 1-methoxy-2-propanol (cas rn 107-98-2)
- 3812 39 90 40Mixture of: - 80% (± 10%) by weight of 2-ethylhexyl 10-ethyl-4.4-dimethyl-7-oxo-8-oxa-3.5-dithia-4-stannatetradecanoate (cas rn 57583-35-4), and - 20% (± 10%) by weight of 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3.5-dithia-4-stannatetradecanoate (cas rn 57583-34-3)
- 3812 39 90 43Reaction mass containing by weight: -more than 45% but not more than 49% of octyl 3-[3-tert-butyl-4-hydroxy-5-(5-chloro-2h-benzotriazol-2-yl)phenyl]propionate (cas rn 83044-89-7), and -more than 49% but not more than 53% of 2-ethylhexyl 3-[3-tert-butyl-4-hydroxy-5-(5-chloro-2h-benzotriazol-2-yl) phenyl]propionate (cas rn 83044-90-0)
- 3812 39 90 452-aminoethanol reaction products with cyclohexane and peroxidised n-butyl-2.2,6.6-tetramethyl-4-piperidinamine-2.4,6-trichloro-1.3,5-triazine reaction products (cas rn 191743-75-6) with a purity by weight of 99% or more
- 3812 39 90 48Uv stabilizer (cas rn 129757-67-1), reaction mass containing by weight 97% or more of: -bis[2.2,6.6-tetramethyl-1-(octyloxy)piperidin-4-yl] decanedioate, and -1.1'-bis[2.2,6.6-tetramethyl-1-(octyloxy)piperidin-4-yl] 10.10'-{octane-1.8-diylbis[oxy(2.2,6.6- tetramethylpiperidine-1.4-diyl)]} didecanedioate
- 3812 39 90 50Reaction mass of 2-ethylhexyl 10-ethyl-4.4-dioctyl-7-oxo- 8-oxa-3.5-dithia-4-stannatetradecanoate and 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-octyl- 7-oxo-8-oxa-3.5-dithia-4-stannatetradecanoate (reaction mass of dote and mote)
- 3812 39 90 53Light stabilizer, containing by weight more than 90% of reaction products of stearate methyl ester with 1-(2-hydroxy-2-methylpropoxy)-2.2,6.6-tetramethyl-4-piperidinol (cas rn 300711-92-6)
- 3812 39 90 55Uv stabilizer, containing: - 2-(4.6-bis(2.4-dimethylphenyl)-1.3,5-triazin-2-yl)-5-(octyloxy)-phenol (cas rn 2725-22-6) and - either n,n'-bis(1.2,2.6,6-pentamethyl-4-piperidinyl)-1.6-hexanediamine, polymer with 2.4- dichloro-6-(4-morpholinyl)-1.3,5-triazine (cas rn 193098-40-7) or - n,n'-bis(2.2,6.6-tetramethyl-4-piperidinyl)-1.6-hexanediamine, polymer with 2.4- dichloro-6-(4-morpholinyl)-1.3,5-triazine (cas rn 82451-48-7)
- 3812 39 90 65Stabiliser for plastic material containing: - 2-ethylhexyl 10-ethyl-4.4-dimethyl-7-oxo-8-oxa-3.5-dithia-4-stannatetradecanoate (cas rn 57583-35-4), - 2-ethylhexyl 10-ethyl-4-[[2-[(2-ethylhexyl)oxy]-2-oxoethyl]thio]-4-methyl-7-oxo-8-oxa-3.5-dithia-4-stannatetradecanoate (cas rn 57583-34-3), and - 2-ethylhexyl mercaptoacetate (cas rn 7659-86-1)
- 3812 39 90 75Uv stabilizer containing a mixture of: - branched and linear c7 to c9 alkyl esters of [3-(2h-benzotriazol-2-yl)-5-(1.1-dimethylethyl)-4-hydroxy]-1-phenylpropanoic acid (cas rn 127519-17-9) with a content by weight of 85% or more, and - 2-methoxy-1-methylethyl acetate (cas rn 108-65-6) with a content by weight of not more than 8%.
- 3812 39 90 80Uv-stabilizer, consisting of: - a hindered amine: n,n'-bis(1.2,2.6,6-pentamethyl-4-piperidinyl)-1.6-hexanediamine, polymer with 2.4- dichloro-6-(4-morpholinyl)-1.3,5-triazine (cas rn 193098-40-7) and - either an o-hydroxyphenyl triazine uv light absorber or - a chemically modified phenolic compound
- 3812 39 90 90Anti-oxidising preparations and other compound stabilisers: 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.
- N344118 U.S. CBP
The tariff classification of a heat stabilizer from India
- N330364 U.S. CBP
The tariff classification of a light stabilizer from China
- N307895 U.S. CBP
The tariff classification of a heat stabilizer from China
- N301803 U.S. CBP
The tariff classification of a UV Stabilizer 944 from China
6 rulings in total for this code
Legal notes
Code history
Since 2017; before, these goods were classified under 3812.30.
Commodity code 3812 39 90 35 is a line of the UK Global Tariff under HS subheading 3812.39 (anti-oxidising preparations and other compound stabilisers: other).
The third-country duty is 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.
Imports of other stabilisers for rubber and plastics (HS 3812.39) into the UK came to £46.7m between September 2025 and August 2026 (down 5% on the year before); Germany supplied 27%, followed by Italy.
For the same subheading, the EU duty is 6.5%, the Türkiye duty is 6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Mexico duty is 0%–6%, 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 free, the Japan duty is 2.6%–4.4%, the Taiwan duty is 5%, 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 3812.39 worth US$65m in 2024; the largest supplier was Germany.
Questions and answers
What is the UK import duty for commodity code 3812 39 90 35?
The third-country duty in the UK Global Tariff is free. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Which countries get a lower rate on 3812 39 90 35?
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.
Where does the UK import these goods from?
For subheading 3812.39 as a whole, the largest supplier in 2024 was Germany (US$19m), followed by Italy.