Chapter 39 · Plastics and articles thereof · Section 7

HS Code 3908.90

Other

Heading 3908: Polyamides in primary forms

US duty (general)
Free - 6.5%
US HTS lines
2
EU CN codes
1
UK commodity codes
3
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 3908.90

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 codeDescriptionGeneralSpecialOtherUnit
3908.90.20 Bis(4-amino-3-methylcyclohexyl)methane- isophthalic acid-laurolactam copolymer Free - 2.2¢/kg + 33.5% kg
3908.90.70 Other 6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,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 3908.90

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 codeDescription
3908 90 00 Other EU duty (TARIC) →

United Kingdom - commodity codes under 3908.90

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 codeDescription
3908 90 00 00 Other UK duty & VAT →
3908 90 00 10 Poly(iminomethylene-1,3-phenylenemethyleneiminoadipoyl), in one of the forms mentioned in note 6 (b) to Chapter 39 UK duty & VAT →
3908 90 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).

Nearby codes in heading 3908

The subheadings immediately before and after 3908.90 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 3908.90.

What is HS code 3908.90?

HS code 3908.90 covers: Other. It belongs to chapter 39 (Plastics and articles thereof) of the Harmonized System.

What is the US import duty for HS code 3908.90?

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 3908.90?

The UK extends 3908.90 to 3 declarable 10-digit commodity codes, starting with 3908900000. The full code goes on the UK customs declaration.