HTS 3903
Polymers of styrene, in primary forms
| Code | Description | Unit | General | Special | Column 2 | Source |
|---|---|---|---|---|---|---|
| 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% | USITC |
| 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% | USITC |
| 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% | USITC |
| 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% | USITC |
| 3903.90 | Other | USITC | ||||
| 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% | USITC |
| 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% | USITC |
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Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 3903 at USITC
Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.
This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.