What is the duty rate for HTS 3921.90.40?

The general duty rate for HTS 3921.90.40 is 4.2%. Special rates: Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG). This code covers: Flexible.

HTS 3921.90.40Chapter 39

HTS 3921.90.40 — Flexible Duty Rate & Import Guide

Plastics · $112.8M monthly imports · 100% from 1 countries · Updated daily from USITC

Duty Rates

General

4.2%

Special

Free (A,AU,B,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)

Column 2

25%

Preferential Rates Available

Trade Agreement Eligibility

CUSMAKORUS

Notes

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Trade Intelligence

Monthly Imports

$112.8M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

9 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 4.2%

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 6 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, CPSC SaferProducts.gov, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-28 · Updates monthly

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.

High-Volume Code

This is a high-volume import code — $113M in monthly US imports. Duty rate changes or trade remedy actions on this code have significant economic impact.

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 (3)

Code	Description	Rate
3921.90.40	Flexible	4.2%
3921.90.40.10	Reinforced with paper	—
3921.90.40.90	Other	—

CBP Rulings (9)

959298Classification

Protest 0201-96-100158; Polacolor Foil;Polypropylene/Aluminum/Polypropylene Laminate; Subheading3921.90.40 and 7607.20.50; General Explanatory Note to Chapter39; Explanatory Note 39.21; Other plate, sheets, film, foil andstrip, of plastics; Aluminum Foil.

958194Classification

Fujifilm Thermo-Autochrome film; polyethylene terephthalate film; QMS, Inc. v. U.S.; thermography

952547Classification

Metallized polyester film; Heading 3921, HTSUSA; Other plates, sheets, film, foil and strip, of plastics; Tariff preferences under CFTA; General Notes 3(c)(vii)(B) and 3(c)(vii)(R)(7)(aa)

951151Classification

Prepreg; GRI 2(b); GRI 3(b); HQ 087721; HQ 951321; Heading 7019

951321Classification

Request for Internal Advice No. 55/91; Epoxy Prepreg; Subheading 7019.20.20; HQ 087721; GRI 2(b); GRI 3(b); Headings 3921, 7019, 8546, 8547, and 8548

H034975Classification

Modification of HQ 959298; Classification of Polacolor foil

H045859Classification

Modification of NY J84648; Capsteril® PAF212 flexible packaging material

H008142Classification

AFR of Protest No. 3004-07-100006; Flexalcon packaging material

965393CLASSIFICATION

NY H80577; Sarcon®Dear Mr. Knauss:

Matching Export Code (Schedule B)

3921901000Schedule B

PLATES, SHEETS, FILM, FOIL & STRIP EXCEPT CELLULAR, COMBINED WITH TEXTILE MATERIALS

Census Bureau export classification matching this HTS import code.

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