Analysis
HTS 5101.21.10 covers wool for special uses under heading 5101 (wool, not carded or combed).
Goods classified here enter the United States duty-free at the general (normal trade relations) rate, as do about 35% of the 82 tariff lines in chapter 51. Duty-free at the general rate does not rule out additional duties under Chapter 99, such as Section 301 or Section 232 measures, which depend on the country of origin.
Census statistics map these goods to NAICS 313110 (Fiber, Yarn, and Thread Mills), an industry of 250 US establishments employing 18,290 people. That is the industry code a US manufacturer of the same product would normally use.
All 6 neighbouring lines carry the same duty-free rate, so a borderline choice between them changes the statistics reported, not the duty paid.
The general rate of Free has not changed in any edition of the schedule since Jan 2023.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 5101.21.15 | Unimproved wool; other wool, not finer than 40s | Free |
| 5101.21.30 | Other: other wool, finer than 40s but not finer than 44s | Free |
| 5101.21.35 | Other: other wool, finer than 44s | Free |
| 5101.21.40 | Not processed in any manner beyond the degreased condition: other | 20.6¢/clean kg |
| 5101.21.65 | Unimproved wool; other wool, not finer than 46s. | Free |
| 5101.21.70 | Other: other | 6.5¢/kg + 5.3% |