Chapter 39: Plastics and articles thereof
HTS heading 3903: Polymers of styrene, in primary forms
8 numbered lines under heading 3903, including 6 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.
| HTS code | Description | Unit | General | Special | Column 2 |
|---|---|---|---|---|---|
| 3903 | Polymers of styrene, in primary forms: | ||||
| Polystyrene: | |||||
| 3903.11.00.00 | Expandable | kg | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 46% |
| 3903.19.00.00 | Other | kg | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 46% |
| 3903.20.00.00 | Styrene-acrylonitrile (SAN) copolymers | kg | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 45.5% |
| 3903.30.00.00 | Acrylonitrile-butadiene-styrene (ABS) copolymers | kg | 6.5% | Free (A,AU,BH,CL,D,E,IL,J,JO,KR,MA,OM,P,PE,S,SG) | 15.4¢/kg + 47% |
| 3903.90 | Other: | ||||
| 3903.90.10.00 | Methyl methacrylate-butadiene-styrene (MBS) copolymers | kg | 6.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 67.5% |
| 3903.90.50.00 | Other | kg | 6.5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 15.4¢/kg + 46% |
Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.
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Request a free auditSource: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.