HTS 2528.00.00.50
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 % of H3BO3 calculated on the dry weight — Other
Chapter 25
Current Duty Rates
Source: USITC Harmonized Tariff Schedule — Last updated April 8, 2026
Rates reflect current base duties plus applicable surcharges. Section 301 rates apply to China-origin goods. Verify with your customs broker for your specific classification.
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Recent Changes
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Frequently Asked
What is HTS 2528.00?
HTS 2528.00 covers 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 % of h3bo3 calculated on the dry weight — other. It falls under Chapter 25 of the Harmonized Tariff Schedule of the United States.
What is the duty rate for HTS 2528.00.00.50?
The base (MFN) duty rate for HTS 2528.00.00.50 is .
Are there any exclusions for HTS 2528.00.00.50?
Exclusions may apply depending on active Section 301 or Section 232 exclusion lists. Check the USTR exclusion portal or use TariffDesk to monitor this code for changes, including new exclusions.
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