HTS heading 5501
Synthetic filament tow — 9 codes under this heading, with the duty on each.
| Code | Description | General rate | Units |
|---|---|---|---|
| 5501 | Synthetic filament tow + Ch. 99 | not stated | — |
| 5501.11.00.00 | Of aramids + Ch. 99 | 7.5% | kg |
| 5501.19.00.00 | Other + Ch. 99 | 7.5% | kg |
| 5501.20.00.00 | Of polyesters + Ch. 99 | 7.5% | kg |
| 5501.30.00 | Acrylic or modacrylic + Ch. 99 | 7.5% | — |
| 5501.30.00.10 | Containing 92 percent or more by weight of acrylonitrile units with filaments numbering fewer than 70,000 (+/-2000) with filament diameter 1.59 decitex (plus or minus 0.027) or less, or in a separable tow construction capable of being separated into tows of 70,000 (+/-2000) or fewer with filament diameter 1.59 decitex (plus or minus 0.027) or less. + Ch. 99 | 7.5% (inherited from 5501.30.00) | kg |
| 5501.30.00.90 | Other + Ch. 99 | 7.5% (inherited from 5501.30.00) | kg |
| 5501.40.00.00 | Of polypropylene + Ch. 99 | 7.5% | kg |
| 5501.90.01.00 | Other + Ch. 99 | 7.5% | kg |
2 of these lines state no rate of their own and inherit one from the line above, which is how the schedule is read. Each says which line it came from.
Additional duties may apply
9 lines here reference Chapter 99, where Section 301, Section 232 and other additional duties live. Those are charged on top of the general rate and depend on where the goods were made. What those provisions are.
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Classification and the duties that finally apply to a shipment are a licensed customs broker's call.