Analysis
Subheading 2842.90 covers other, within heading 2842. 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 3.1% to 3.3% with a median of 3.2%, so the line you choose sets the duty.
The US splits it as follows: 2842.90.10 for fulminates, cyanates and thiocyanates (3.1%) and 2842.90.90 for other: other (3.3%).
By Census's concordance, most of its statistical lines are made by Other Basic Inorganic Chemical Manufacturing (325180). Those are the NAICS industries a US producer of these goods would report under.
Goods only reach 2842.90 once they fall within heading 2842 (other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not…). Under General Rule 6, subheadings are then compared only with others at the same level, so a product is matched against its siblings, not against lines elsewhere in the chapter.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 2842.90.10 | Fulminates, cyanates and thiocyanates | 3.1% |
| 2842.90.90 | Other: other | 3.3% |