HTS heading 3903: Polymers of styrene, in primary forms
Heading 3903 of the US Harmonized Tariff Schedule covers Polymers of styrene, in primary forms. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 3903 at a glance
- 6 rated tariff lines; 0 duty-free at the general (MFN) rate.
- Ad valorem general rates from 6.5% to 6.5%.
- Section 301 (products of China): 6 of 6 lines on a list in effect (List 2).
Goods named in this heading (official line texts): Expandable, Styrene-acrylonitrile (SAN) copolymers, Acrylonitrile-butadiene-styrene (ABS) copolymers, Methyl methacrylate-butadiene-styrene (MBS) copolymers.
Subheadings (6-digit)
- 3903.11: Polystyrene (1 line)
- 3903.19: Polystyrene (1 line)
- 3903.20: Styrene-acrylonitrile (SAN) copolymers (1 line)
- 3903.30: Acrylonitrile-butadiene-styrene (ABS) copolymers (1 line)
- 3903.90: Other (2 lines)
All tariff lines in heading 3903
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 3903.11.00 | Polystyrene: Expandable | 6.5% | List 2 +25% | |
| 3903.19.00 | Polystyrene: Other | 6.5% | List 2 +25% | |
| 3903.20.00 | Styrene-acrylonitrile (SAN) copolymers | 6.5% | List 2 +25% | |
| 3903.30.00 | Acrylonitrile-butadiene-styrene (ABS) copolymers | 6.5% | List 2 +25% | |
| 3903.90.10 | Methyl methacrylate-butadiene-styrene (MBS) copolymers | 6.5% | List 2 +25% | |
| 3903.90.50 | Other: Other | 6.5% | List 2 +25% |
All of chapter 39 · Chapter 39 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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