What is HS code 3812.10?

HS code 3812.10 covers: Prepared rubber accelerators. It belongs to chapter 38 (Miscellaneous chemical products) of the Harmonized System.

What is the US import duty for HS code 3812.10?

The US general (normal trade relations) rates under this subheading range: 5% - 6.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.

What is the UK commodity code for 3812.10?

The UK extends 3812.10 to 4 declarable 10-digit commodity codes, starting with 3812100000. The full code goes on the UK customs declaration.

Chapter 38 · Miscellaneous chemical products · Section 6

HS Code 3812.10

Prepared rubber accelerators

Heading 3812: Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics

US duty (general)

5% - 6.5%

US HTS lines

EU CN codes

UK commodity codes

Unit

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 3812.10

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS code	Description	General	Special	Other	Unit
3812.10.10	Containing any aromatic or modified aromatic rubber accelerator	6.5%	Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	3.7¢/kg + 60%	kg
3812.10.50	Other	5%	Free (A+,AU,BH,CL,CO,D, E,IL, JO,KR,MA,OM,P, PA,PE,S,SG)	25%	kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

Customs value (USD) Quantity (kg)

European Union - CN codes under 3812.10

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN code	Description
3812 10 00	Prepared rubber accelerators	EU duty (TARIC) →

United Kingdom - commodity codes under 3812.10

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity code	Description
3812 10 00 00	Prepared rubber accelerators	UK duty & VAT →
3812 10 00 10	Rubber accelerator based on diphenyl guanidine granules (CAS RN 102-06-7)	UK duty & VAT →
3812 10 00 30	Vulcanization accelerator, consisting by weight of: -98 % or more of N-tert-butyl bis(2-benzothiazolesulfen) amide (CAS RN 3741-80-8) -not more than 2 % of white mineral oil (CAS RN 8042-47-5)	UK duty & VAT →
3812 10 00 90	Other	UK duty & VAT →

Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 3812

3812.00 3812 Prepared rubber accelerators; compound plasticisers for rubber or plastics, not elsew 3812.10 Prepared rubber accelerators 3812.20 Compound plasticizers for rubber or plastics 3812.31 Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) 3812.39 Other

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.