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HTS 3905.91Chapter 39

HTS 3905.91Copolymers: Duty Rate & Import Guide

Plastics · $9.1M 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

$9.1M

2026-01

Trade Concentration

100%

from top 3 of 1 origins

Regulatory Pressure

LOW

1 rulings — · 0 reg · 0 cases

Global Rates

🇺🇸 Free

🇬🇧 United Kingdom: N/A · 🇪🇺 European Union: N/A · 🇨🇦 Canada: Free · 🇧🇷 Brazil: 2 NCM codes

Compare All →

Data compiled from USITC HTS, US Census Bureau, CBP CROSS Rulings, HMRC / DG TAXUD / CBSA / SISCOMEX · As of 2026-04-26 · 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.

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)

CodeDescriptionRate
3905.91Copolymers:
3905.91.10.00Containing by weight 50 percent or more of derivatives of vinyl acetate4%
3905.91.50.00Other5.3%

CBP Rulings (1)

964944CLASSIFICATION

Mater-Bi (material-biodegradable) starch pellets for dog chew bones

Matching Export Code (Schedule B)

3905911000Schedule B

VINYL COPOLYMERS IN PRIMARY FORMS: CONTAINING BY WEIGHT 50% OR MORE OF DERIVATIVES OF VINYL ACETATE

Census Bureau export classification matching this HTS import code.

3905.30.00.003905.91.10.00