Chapter 39 · Plastics and articles thereof · Section 7

HS Code 3907.99

Other

Heading 3907: Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms

US duty (general)
Free - 6.5%
US HTS lines
2
EU CN codes
4
UK commodity codes
11
Unit
kg

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 3907.99

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 codeDescriptionGeneralSpecialOtherUnit
3907.99.20 Other >
Thermoplastic liquid crystal aromatic polyester copolymers
Free - 15.4¢/kg + 45% kg
3907.99.50 Other >
Other
2 statistical lines (10-digit)
  • 3907.99.50.10 - Polybutylene terephthalate
  • 3907.99.50.50 - Other
6.5% Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,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 3907.99

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 codeDescription
3907 99 10 Poly(ethylene naphthalene-2,6-dicarboxylate) EU duty (TARIC) →
3907 99 80 Other EU duty (TARIC) →
3907 99 05 Thermoplastic liquid crystal aromatic polyester copolymers EU duty (TARIC) →
3907 99 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 3907.99

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 codeDescription
3907 99 00 00 Other UK duty & VAT →
3907 99 05 00 Thermoplastic liquid crystal aromatic polyester copolymers UK duty & VAT →
3907 99 10 00 Poly(ethylene naphthalene-2,6-dicarboxylate) UK duty & VAT →
3907 99 80 00 Other UK duty & VAT →
3907 99 80 25 Copolymer, containing 72 % by weight or more of terephthalic acid and/or isomers thereof and cyclohexanedimethanol UK duty & VAT →
3907 99 80 30 Poly(hydroxyalkanoate), predominantly consisting of poly(3-hydroxybutyrate) UK duty & VAT →
3907 99 80 35 Copolymer in form of a clear, pale yellow liquid, consisting of -|phthalic acid isomers and/or aliphatic dicarboxylic acids, -|aliphatic diols, and -|fatty acid end-caps with: -|a hydroxyl number of 120|mg KOH or more but not more than 350|mg KOH, -|a viscosity at 25|°C of 2000|cPs|or more but not more than 8000|cPs,|and -|an acid value less than 10|mg KOH/g UK duty & VAT →
3907 99 80 50 Aliphatic-aromatic copolyesters, namely polybutylene adipate-co-terephthalate (PBAT) and polybutylene sebacate-co-terephthalate (PBSeT), synthesised from petrochemical or biological feedstock, in their pure form or contained in compounds containing no less than 50 % of PBAT or PBSeT polymer by weight UK duty & VAT →
3907 99 80 70 Copolymer of poly(ethylene terephthalate) and cyclohexane dimethanol, containing more than 10 % by weight of cyclohexane dimethanol UK duty & VAT →
3907 99 80 80 Copolymer, consisting of 72 % by weight or more of terephthalic acid and/ or derivatives thereof and cyclohexanedimethanol, completed with linear and/ or cyclic dioles UK duty & VAT →
3907 99 80 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).

Nearby codes in heading 3907

The subheadings immediately before and after 3907.99 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 3907.99.

What is HS code 3907.99?

HS code 3907.99 covers: Other. It belongs to chapter 39 (Plastics and articles thereof) of the Harmonized System.

What is the US import duty for HS code 3907.99?

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 3907.99?

The UK extends 3907.99 to 11 declarable 10-digit commodity codes, starting with 3907990000. The full code goes on the UK customs declaration.