Products A–Z
HS code for limestone flux
In the UK Trade Tariff’s list of everyday names, “limestone flux” points to heading 2521: limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement. 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.
The EU Combined Nomenclature has one tariff line for 2521; the duty is duty-free.
2521 is a single line in the Turkish Customs Tariff Schedule, where the duty is duty-free.
The Harmonized Tariff Schedule of the United States has one tariff line for 2521; 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 1 tariff line 
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 1 tariff line 
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 1 tariff line 
GCC 5% Third-country duty 5 tariff lines 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia 7% Third-country duty 1 tariff line 
Nigeria 5% Third-country duty 1 tariff line Questions and answers
What is the HS code for limestone flux?
Limestone flux are classified under 2521 (Limestone flux) in the Harmonized System. National tariffs add more digits; see the lines on this page.