Chapter 39 · Plastics and articles thereof · Section 7
HS Code 3907.91
Unsaturated
Heading 3907: Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 3907.91
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 |
|---|---|---|---|---|---|
| 3907.91.20 |
Unsaturated > Allyl resins > Allyl resins, uncompounded |
Free | - | 15.4¢/kg + 45% | kg |
| 3907.91.40 |
Unsaturated > Allyl resins > Other |
5.8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | kg |
| 3907.91.50 |
Unsaturated > Allyl resins > Other |
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | 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.
European Union - CN codes under 3907.91
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 | |
|---|---|---|
| 3907 91 90 | Other | EU duty (TARIC) → |
| 3907 91 10 | Liquid | EU duty (TARIC) → |
| 3907 91 00 | Unsaturated | EU duty (TARIC) → |
United Kingdom - commodity codes under 3907.91
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 | |
|---|---|---|
| 3907 91 00 00 | Unsaturated | UK duty & VAT → |
| 3907 91 10 00 | Liquid | UK duty & VAT → |
| 3907 91 90 00 | Other | UK duty & VAT → |
| 3907 91 90 10 | Diallyl phthalate prepolymer, in powder form | UK duty & VAT → |
| 3907 91 90 90 | Other | UK duty & VAT → |
Nearby codes in heading 3907
The subheadings immediately before and after 3907.91 in chapter 39.
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.
Frequently asked questions
Common questions about HS code 3907.91.
What is HS code 3907.91?
HS code 3907.91 covers: Unsaturated. It belongs to chapter 39 (Plastics and articles thereof) of the Harmonized System.
What is the US import duty for HS code 3907.91?
The US general (normal trade relations) rates under this subheading range: Free - 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 3907.91?
The UK extends 3907.91 to 5 declarable 10-digit commodity codes, starting with 3907910000. The full code goes on the UK customs declaration.