2512.00.00.00
Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
⚠️ 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 Code2512.00.00.00
DescriptionSiliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less
Chapter2512
Data SourceUSITC HTS 2026, Revision 4