Products A–Z
HS code for kieselguhr (not activated)
In the UK Trade Tariff’s list of everyday names, “kieselguhr (not activated)” points to heading 2512: 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. Check the description and the notes of the chapter before declaring: the right code depends on what the goods are made of and how they are used.
2512 is a single line in the EU Combined Nomenclature, where the duty is duty-free.
The Turkish Customs Tariff Schedule divides 2512 into 4 tariff lines; the duty is duty-free.
2512 is a single line in the Harmonized Tariff Schedule of the United States, where the duty is duty-free.
Duty rates compared
UK specific or compound duty Third-country duty 1 tariff line 
EU Free Third-country duty 1 tariff line 
Türkiye Free Third-country duty 4 tariff lines 
USA Free General (MFN) 1 tariff line 
Canada Free Third-country duty 1 tariff line 
Mexico Free Third-country duty 1 tariff line 
Brazil 3.6% Third-country duty 1 tariff line 
Argentina 3.6% Third-country duty 4 tariff lines 
Peru Free Third-country duty 1 tariff line 
New Zealand Free Third-country duty 1 tariff line 
Japan Free Third-country duty 1 tariff line 
Taiwan Free Third-country duty 3 tariff lines 
GCC 5% Third-country duty 7 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia Free Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line See also
Questions and answers
What is the HS code for kieselguhr (not activated)?
Kieselguhr (not activated) are classified under 2512 (Siliceous fossil meals) in the Harmonized System. National tariffs add more digits; see the lines on this page.