Analysis
Subheading 6104.33 covers of synthetic fibers, within heading 6104. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 2 US tariff lines below it are national.
None of its 2 lines is duty-free at the general rate. Rates run from 28.2% to 28.2% with a median of 28.2%, so the line you choose sets the duty.
The US splits it as follows: 6104.33.10 for containing 23 percent or more by weight of wool or fine animal hair… (56.4¢/kg + 16.5%) and 6104.33.20 for of synthetic fibers: other (635) (28.2%).
1 of the lines carry specific or compound rates (per kilogram, per dozen and so on) rather than a percentage, so their burden depends on the unit value of the goods.
By Census's concordance, most of its statistical lines are made by Cut and Sew Apparel Manufacturing (3152). Those are the NAICS industries a US producer of these goods would report under.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 6104.33.10 | Containing 23 percent or more by weight of wool or fine animal hair (435) | 56.4¢/kg + 16.5% |
| 6104.33.20 | Of synthetic fibers: other (635) | 28.2% |