United States · Heading· 1 subheadings· 4 codes
2528NATURAL BORATES AND CONCENTRATES THEREOF (WHETHER OR NOT CALCINED), BUT NOT INCLUDING BORATES SEPARATED FROM NATURAL BRINE; NATURAL BORIC ACID CONTAINING NOT MORE THAN 85% OF H3BO3 CALCULATED ON THE DRY WEIGHT
Subheadings (6-digit WCO)
United States tariff lines (10-digit)
All national sub-divisions in United States's tariff schedule
| HS Code | Description | Primary rate |
|---|---|---|
| 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) | Free |
| 2528.00.00.10 | Natural calcium borates | Free |
| 2528.00.00.50 | Other | Free |