Base
HTS 3908Chapter 39

HTS 3908Polyamides in primary forms: Duty Rate & Import Guide

Plastics · 15 pending regulations · 15 court cases · $38.9M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

Free

Special

Free

Column 2

Free

Trade Agreement Eligibility

CUSMAKORUS

Trade Intelligence

Monthly Imports

$38.9M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

HIGH

0 rulings — · 15 reg · 12 CIT, 3 CAFC (15 recent)

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: N/A · 🇧🇷 Brazil: N/A

Compare All →

Data compiled from USITC HTS, US Census Bureau, Federal Register, CourtListener, Regulations.gov · As of 2026-04-26 · Updates monthly

Active DisputesRecent court cases or pending regulations affect this code
Regulatory Pressure

This code has elevated regulatory activity — 0 CBP rulings (0 in last 2 years, trend: stable), 15 pending Federal Register actions, and 15 CIT/CAFC cases.

Supply Chain Risk

100% of US imports for this code come from just 1 countries. High origin concentration increases exposure to trade disruptions or tariff escalations.

Trade Remedy

Additional Tariffs Apply

Section 301 — China Tariffs+25%

List 2 — ~$16B of Chinese goods (semiconductors, chemicals, plastics)

Active — 7.5%–25% additional duties on Chinese-origin goods across four tranches (Lists 1–4A), with higher 2024/2025 increases on targeted product categories.

Effective 2018-07-06

These additional tariffs apply on top of the general duty rate. View full trade remedy tracker →

Subheadings (4)

CodeDescriptionRate
3908.10.00.00Polyamide-6, -11, -12, -6,6, -6,9, -6,10 or -6,126.3%
3908.90Other:
3908.90.20.00Bis(4-amino-3-methylcyclohexyl)methane- isophthalic acid-laurolactam copolymerFree
3908.90.70.00Other6.5%

Federal Register (15)

Notice2024-19673
2024-09-03

Fine Denier Polyester Staple Fiber

Publication of summary of the Commission's report on the investigation.

Rule2024-30826
2025-01-08

Certificates of Compliance

Final rule.·Effective 2026-07-08

Proposed Rule2023-25911
2023-12-08

Certificates of Compliance

Supplemental notice of proposed rulemaking.

View all 15+ regulations on Federal Register →

Court of International Trade & Federal Circuit (15)

View all 15+ cases on PACER →

Regulatory Dockets (1)

USTR regulatory documents related to this tariff code from Regulations.gov.

Source: Regulations.gov

Matching Export Code (Schedule B)

3908100000Schedule B

POLYAMIDE-6,-11,-12,-6,6,-6,9,-6,10 OR -6,12

Census Bureau export classification matching this HTS import code.

3905.99.80.003908.10.00.00