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Data: HTSUS Rev.21 · 2026-10-18.12PrivacyAI-generated suggestion based on HTSUS text, not legal advice. Final classification rests with CBP rulings or licensed advice; the importer of record is responsible for the entry.

Harmonized Tariff Schedule of the U.S. › Chapter 39 Plastics and articles thereof

3903.11.00.00Tariff line

Classification path

Polymers of styrene, in primary forms
3903
Polystyrene
Expandable
3903.11.00.00

Rates of duty

General rate (Column 1)6.5%
SpecialFree (A, AU, BH, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 215.4¢/kg + 46%
Unitkg

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

Printed page 1693

Measure flags

for origin CN, entry date 2026-10-26 · base rate 6.5%

  • Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301 List 2 (9903.88.02)9903.88.02Applies+25%8-digit subheading 3903.11.00 is on L2
  • PGAEPA EP7

Confirmed total 44% · max 44%Full duty breakdown →

U.S. → China →