Analysis
HTS 2511.10.10 covers natural barium sulfate (barytes): ground under heading 2511 (natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not…).
There is no general-rate duty on this line, which puts it with roughly 91% of the 78 tariff lines in chapter 25 that are also free. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.
The other lines in the same group are 2511.10.50 (natural barium sulfate (barytes): other, $1.25/t) and 2511.20.00 (natural barium carbonate (witherite), duty-free).
Census statistics map these goods to NAICS 325130 (Synthetic Dye and Pigment Manufacturing), an industry of 125 US establishments employing 8,305 people, the industry a domestic producer of these goods reports under.
All 2 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 |
|---|---|---|
| 2511.10.50 | Natural barium sulfate (barytes): other | $1.25/t |
| 2511.20.00 | Natural barium carbonate (witherite) | Free |