Chapter 39 · Plastics and articles thereof · Section 7
HS Code 3911.90
Other
Heading 3911: Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms
US duty (general)
Free - 6.5%
US HTS lines
7
EU CN codes
6
UK commodity codes
31
Unit
kg
US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources
United States - HTS lines under 3911.90
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 |
|---|---|---|---|---|---|
| 3911.90.10 | Elastomeric | Free | - | 20% | kg |
| 3911.90.15 |
Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom > Thermoplastic > Poly(nitrilomethanetetraarylnitrilo- [2,4,6-tris-(1-methyethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)- phenyl]-ω-[[[2,6-bis(1-methylethyl)- phenyl]amino]methylene]amino carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methyl- ethyl) homopolymer with polyethylene |
Free | - | 15.4¢/kg + 49% | kg |
| 3911.90.25 |
Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom > Thermoplastic > Other |
6.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 49% | kg |
| 3911.90.35 |
Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom > Thermosetting > 1,1'-Bis(methylenedi-4,1-phenylene)- 1H-pyrrole-2,5-dione, copolymer with 4,4'-methylenebis(benzeneamine); and Hydrocarbon novolac cyanate ester |
Free | - | 15.4¢/kg + 45% | kg |
| 3911.90.45 |
Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom > Thermosetting > Other |
5.8% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45% | kg |
| 3911.90.70 |
Other > Other > Chlorinated synthetic rubber |
Free | - | 2.2¢/kg + 33.5% | kg |
| 3911.90.91 |
Other > Other > Other 2 statistical lines (10-digit)
|
6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 2.2¢/kg + 33.5% | 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 3911.90
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 | |
|---|---|---|
| 3911 90 92 | Copolymer of p-cresol and divinylbenzene, in the form of a solution in N,N-dimethylacetamide containing by weight 50 % or more of polymer; hydrogenated copolymers of vinyltoluene and α-methylstyrene | EU duty (TARIC) → |
| 3911 90 99 | Other | EU duty (TARIC) → |
| 3911 90 11 | Poly(oxy-1,4-phenylenesulphonyl-1,4-phenyleneoxy-1,4-phenyleneisopropylidene-1,4-phenylene), in one of the forms mentioned in note 6(b) to this chapter | EU duty (TARIC) → |
| 3911 90 19 | Other | EU duty (TARIC) → |
| 3911 90 13 | Poly(thio-1,4-phenylene) | EU duty (TARIC) → |
| 3911 90 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 3911.90
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 | |
|---|---|---|
| 3911 90 00 00 | Other | UK duty & VAT → |
| 3911 90 11 00 | Poly(oxy-1,4-phenylenesulphonyl-1,4-phenyleneoxy-1,4-phenyleneisopropylidene-1,4-phenylene), in one of the forms mentioned in note 6(b) to this chapter | UK duty & VAT → |
| 3911 90 11 10 | Poly(oxy-1,4-phenylenesulphonyl-1,4-phenyleneoxy-1,4-phenyleneisopropylidene-1,4-phenylene) (CAS RN 25135-51-7 and CAS RN 25154-01-2), in one of the forms mentioned in note 6(b) to this chapter containing by weight not more than 20 % of additives | UK duty & VAT → |
| 3911 90 11 90 | Other | UK duty & VAT → |
| 3911 90 13 00 | Poly(thio-1,4-phenylene) | UK duty & VAT → |
| 3911 90 19 00 | Other | UK duty & VAT → |
| 3911 90 19 15 | Polyetherimide of - 5,5′-[(isopropylidene)bis(4,1-phenylene)dioxy]bis(1,3-isobenzofurandione) and 1,3-benzenediamine whether or not as a copolymer with 3-aminopropyl terminated dimethylsilicones (CAS RN 61128-46-9 or 99904-16-2), or - 5,5′-[(isopropylidene)bis(4,1-phenylene)dioxy]bis(1,3-isobenzofurandione) and 1,4-benzenediamine (CAS RN 61128-47-0), or - 4,4′-[(isopropylidene)bis(4,1-phenylene)dioxy]bis(1,3-isobenzofurandione), 5,5′-[(isopropylidene)bis(4,1-phenylene)dioxy]bis(1,3-isobenzofurandione), 4,5′-[(isopropylidene)bis(4,1-phenylene)dioxy]bis(1,3-isobenzofurandione), pyromellitic dianhydride, 1,2-benzenediamine, 1,3-benzenediamine and 1,4-benzenediamine with phthalic anhydride endcaps (CAS RN 96557-46-9) | UK duty & VAT → |
| 3911 90 19 25 | Polyamideimide of -4-Chloroformylphthalic anhydride and 4,4′-methylenedianiline (CAS RN 35463-82-2), or -4-Chloroformyphthalic anhydride, 4,4′-oxydianiline and 1,3-phenylenediamine (CAS RN 25928-85-2), containing by weight not more than 35 % of additives | UK duty & VAT → |
| 3911 90 19 30 | Copolymer of ethyleneimine and ethyleneimine dithiocarbamate, in an aqueous solution of sodium hydroxide | UK duty & VAT → |
| 3911 90 19 35 | Poly(oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-4,4’-biphenylene) (CAS RNs 25608-64-4 and 25839-81-0) containing by weight not more than 20 % of additives | UK duty & VAT → |
| 3911 90 19 40 | m- Xylene formaldehyde resin | UK duty & VAT → |
| 3911 90 19 80 | Poly(oxy-1,4-phenylenesulfonyl-1,4-phenylene) (CAS RN 25608-63-3 and CAS RN 25667-42-9) containing by weight not more than 20 % of additives | UK duty & VAT → |
| 3911 90 19 90 | Other | UK duty & VAT → |
| 3911 90 92 00 | Copolymer of p-cresol and divinylbenzene, in the form of a solution in N,N-dimethylacetamide containing by weight 50 % or more of polymer; hydrogenated copolymers of vinyltoluene and α-methylstyrene | UK duty & VAT → |
| 3911 90 99 00 | Other | UK duty & VAT → |
| 3911 90 99 10 | For cavity filling, for use in certain types of aircraft | UK duty & VAT → |
| 3911 90 99 23 | Aqueous solution consisting of by weight 25 % or more, but not more than 40 % of a poly(isobutylene-maleic anhydride) modified with: -N,N-dimethylpropane-1,3-diamine, -a copolymer of ethylene oxide and propylene oxide, having aminopropyl and methoxy end-groups, -ethanol (CAS RN 497926-97-3) | UK duty & VAT → |
| 3911 90 99 25 | Copolymer of vinyltoluene and α-methylstyrene | UK duty & VAT → |
| 3911 90 99 35 | Alternated copolymer of ethylene and maleic anhydride (EMA) | UK duty & VAT → |
| 3911 90 99 38 | Mixture containing by weight: -90 % (± 1 %) of 1,4:5,8- Dimethanonaphthalene, 2-ethylidene-1,2,3,4,4a,5,8,8a-octahydro-,polymer with 3a,4,7,7a- tetrahydro- 4,7-methano-1H-indene, hydrogenated (CAS RN 881025-72-5), and -10 % (± 1 %) of a hydrogenated styrene butadiene copolymer (CAS RN 66070-58-4) | UK duty & VAT → |
| 3911 90 99 40 | Mixed calcium and sodium salt of a copolymer of maleic acid and methyl vinyl ether, having a calcium content of 9 % or more but not more than 16 % by weight | UK duty & VAT → |
| 3911 90 99 43 | Copolymer of α-methylstyrene and styrene, having a softening point of more than 113 ºC | UK duty & VAT → |
| 3911 90 99 45 | Copolymer of maleic acid and methyl vinyl ether | UK duty & VAT → |
| 3911 90 99 48 | Mixture containing by weight: -90 % (± 1 %) of 1,4:5,8- Dimethanonaphthalene, 2-ethylidene-1,2,3,4,4a,5,8,8a-octahydro-,polymer with 3a,4,7,7a- tetrahydro- 4,7-methano-1H-indene, hydrogenated (CAS RN 881025-72-5), and -10 % (± 1 %) of an ethylene-propylene copolymer (CAS RN 9010-79-1) | UK duty & VAT → |
| 3911 90 99 60 | Copolymer of styrene with maleic anhydride, either partially esterified or completely chemically modified, in flake or powder form | UK duty & VAT → |
| 3911 90 99 63 | Mixture, containing by weight: - 20% or more but not more than 40% of a copolymer of methyl vinyl ether and monobutyl maleate (CAS RN 25119-68-0), - 7% or more but not more than 20% of a copolymer of methyl vinyl ether and monoethyl maleate (CAS RN 25087-06-3), - 40% or more, but not more than 65% of ethanol (CAS RN 64-17-5), - 1% or more but not more than 7% of butan-1-ol (CAS RN 71-36-3) | UK duty & VAT → |
| 3911 90 99 65 | Calcium zinc salt of a copolymer of maleic acid and methyl vinyl ether | UK duty & VAT → |
| 3911 90 99 70 | Aqueous solution containing by weight: <br><br><br>- 30 % or more but not more than 40 % of poly-4-vinylpyridine-N-oxide, <br> <br><br><br>- 0,1 % or more but not more than 4 % of isonicotinic acid-N-oxide, <br> <br><br><br>- 0,1 % or more but not more than 3,5 % of sodium sulphate, <br> <br><br><br>- 0,1 % or more but not more than 2 % of 4-acetylpyridine-N-oxide | UK duty & VAT → |
| 3911 90 99 73 | A mixture containing by weight: -89 % or more but not more than 91 % of 1,4:5,8-dimethanonaphthalene, 2-ethylidene-1,2,3,4,4a,5,8,8a-octahydro-, polymer with 3a,4,7,7a-tetrahydro-4,7-methano-1H-indene, hydrogenated (CAS RN 881025-72-5), and -9 % or more but not more than 11 % of polypropylene homopolymer (CAS RN 9003-07-0) | UK duty & VAT → |
| 3911 90 99 86 | Copolymer of methyl vinyl ether and maleic acid anhydride (CAS RN 9011-16-9) | UK duty & VAT → |
| 3911 90 99 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 3911
3911.00 3911 Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones
3911.10 Petroleum resins, coumarone, indene or coumarone-indene resins; polyterpenes
3911.20 Poly(1,3-phenylene methylphosphonate)
3911.90 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.