HTS Codes / Chapter 25

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

Duty rates

General (MFN)

Free

Column 2 (non-MFN)

Free

Unit of quantity

t

“General” applies to imports from most trading partners under normal trade relations. “Special” lists products eligible for reduced or duty-free treatment under programs like GSP, USMCA, CAFTA-DR, or individual free-trade agreements. “Column 2” applies to imports from countries without normal trade relations (currently Cuba and North Korea).

Chapter 25

Salt; sulfur; earths and stone; plastering materials, lime and cement (Section V — Mineral products)