HTSUS, United States

3903.30.00.00

Acrylonitrile-butadiene-styrene (ABS) copolymers

Classification path

  1. Polymers of styrene, in primary forms
  2. Acrylonitrile-butadiene-styrene (ABS) copolymers

Rates of duty

General (MFN)
6.5%
Column 2Cuba, North Korea, Russia, Belarus
15.4¢/kg + 47%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, J, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 3903

About heading 3903

Polymers of styrene, in primary forms

Heading 3903 covers polymers of styrene in primary forms. It is split by polymer type: polystyrene, SAN, ABS, MBS, and other. Polystyrene is further split into expandable and other.

Full guide to heading 3903

Products in this heading

  • Expandable polystyrene beads for foam production
  • Polystyrene granules for injection molding
  • Styrene-acrylonitrile copolymer pellets
  • ABS resin pellets
  • MBS copolymer pellets
  • General styrene polymer resin in primary form

Frequently asked questions

What is the HTS code for expandable polystyrene resin?

Expandable polystyrene is classified under 3903.11.00.00, with a general (MFN) rate of 6.5%.

What is the duty on ABS copolymers?

ABS copolymers are classified under 3903.30.00.00, with a general (MFN) rate of 6.5%.

How do I classify SAN copolymers?

SAN copolymers are classified under 3903.20.00.00, with a general (MFN) rate of 6.5%.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 3903.30.00.00: Acrylonitrile-butadiene-styrene (ABS) copolymers, 6.5% duty | HTSBase