TariffPlus – Canada & US Tariff Lookup

HS 2512-00 – 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.

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

Siliceous fossil meals and similar siliceous earths – 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..

10-digit tariff items