2528.90.00.
| Heading/ Subheading |
Stat Suffix | Article Description | Unit of Quantity | General (column 1) | Special (column 1) | Column 2 |
|---|---|---|---|---|---|---|
| 2528 | Natural borates and concentrates thereof (calcined or not), but not includingborates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: | n/a | n/a | n/a | n/a | |
| 2528 90 00 | Other | n/a | Free | n/a | Free |