⚠️ Disclaimer: Rates shown are from USITC HTS 2026 Rev. 4. Always verify with a licensed customs broker before importing. Additional duties, surcharges, or trade remedy duties may apply.
📊 Duty Rates
General Rate (Column 1)
Free
Applies to most countries (Normal Trade Relations / MFN)
Special Rate
None
Preferential rates under trade agreements (USMCA, KORUS, etc.)
Column 2 Rate
Free
Applies to countries without Normal Trade Relations (Cuba, North Korea, etc.)
📋 Details
| HTS Code | 2528.00.00 |
| Description | 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 |
| Chapter | 2528 |
| Data Source | USITC HTS 2026, Revision 4 |
Related Tariff Codes in Chapter 2528