Chapter 39 · Plastics and articles thereof · Section 7
HS Code 3905.91
Copolymers
Heading 3905: Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers 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 3905.91
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 |
|---|---|---|---|---|---|
| 3905.91.10 |
Copolymers > Containing by weight 50 percent or more of derivatives of vinyl acetate |
4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 37.5% | kg |
| 3905.91.50 |
Copolymers > Other |
5.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 43.5% | 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 3905.91
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 | |
|---|---|---|
| 3905 91 00 | Copolymers | EU duty (TARIC) → |
United Kingdom - commodity codes under 3905.91
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 | |
|---|---|---|
| 3905 91 00 00 | Copolymers | UK duty & VAT → |
| 3905 91 00 10 | For cavity filling, for use in certain types of aircraft | UK duty & VAT → |
| 3905 91 00 25 | Copolymer of vinylcaprolactam and vinylpyrrolidone (CAS RN 51987-20-3) in the form of a solution in 2-butoxyethanol (CAS RN 111-76-2) containing by weight 45 % or more but not more than 58 % of copolymer | UK duty & VAT → |
| 3905 91 00 35 | Aqueous solution of a copolymer of vinylpyrrolidone and N,N-dimethylaminopropyl methacrylamide sulfate (CAS RN 175893-71-7), containing by weight 8 % or more, but not more than 12 % of copolymer | UK duty & VAT → |
| 3905 91 00 40 | Water soluble copolymer of ethylene and vinyl alcohol (CAS RN 26221-27-2), containing by weight not more than 38 % of the monomer unit ethylene | UK duty & VAT → |
| 3905 91 00 50 | Aqueous solution consisting by weight of: -10 % or more but not more than 20 % of a copolymer of vinyl pyrrolidone, N,N-dimethylaminopropyl methacrylamide and 3 (methacryloylamino)propyllauryldimethylammonium chloride (CAS RN 306769-73-3), -not more than 1 % preservatives | UK duty & VAT → |
| 3905 91 00 60 | Copolymer of vinylpyrrolidone, vinyl caprolactam and dimethylaminoethyl methacrylate (CAS RN 102972-64-5) in solid form, or as an aqueous solution containing by weight: -27 % or more but not more than 33 % of copolymer, -not more than 1,5 % of ethanol (CAS RN 64-17-5), -not more than 1 % of preservatives | UK duty & VAT → |
| 3905 91 00 70 | Aqueous solution, containing by weight: -25 % or more but not more than 35 % of a copolymer of vinyl caprolactam, vinyl pyrrolidone, N,N-dimethylaminopropyl methacrylamide and 3-(methacryloylamino)propyllauryldimethylammonium chloride (CAS RN 748809-45-2), -10 % or more but not more than 16 % of ethanol (CAS RN 64-17-5) whether or not denatured with tert-butyl alcohol (CAS RN 75-65-0) and/or denatonium benzoate (CAS RN 3734-33-6) | UK duty & VAT → |
| 3905 91 00 80 | Copolymer of vinylpyrrolidone, acrylic acid and dodecyl methacrylate (CAS RN 83120-95-0) | UK duty & VAT → |
| 3905 91 00 90 | Other | UK duty & VAT → |
Nearby codes in heading 3905
The subheadings immediately before and after 3905.91 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 3905.91.
What is HS code 3905.91?
HS code 3905.91 covers: Copolymers. It belongs to chapter 39 (Plastics and articles thereof) of the Harmonized System.
What is the US import duty for HS code 3905.91?
The US general (normal trade relations) rates under this subheading range: 4% - 5.3%. 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 3905.91?
The UK extends 3905.91 to 10 declarable 10-digit commodity codes, starting with 3905910000. The full code goes on the UK customs declaration.