Harmonized System Code (HS) Lookup & Finder
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HS Code 2528
Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight
U.S. Tariff Rates
| Heading / Subheading | Article Description | Unit of Quantity | General | Special |
|---|---|---|---|---|
| 2528.00.00 | Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight | Free | ||
| 2528.00.00.05 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | ||
| 2528.00.00.10 | Natural calcium borates | kg | ||
| 2528.00.00.50 | Other | kg | ||