Products A–Z
HS code for clinkers (mineral)
In the UK Trade Tariff’s list of everyday names, “clinkers (mineral)” points to heading 2621: other slag and ash, including seaweed ash (kelp); ash and residues from the incineration of municipal waste. 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.
In the UK Global Tariff, 2621 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides 2621 into 2 tariff lines; the duty is duty-free.
In the Turkish Customs Tariff Schedule, 2621 covers 4 tariff lines and the duty is duty-free.
Duty rates compared
UK Free Third-country duty 2 tariff lines 
EU Free Third-country duty 2 tariff lines 
Türkiye Free Third-country duty 4 tariff lines 
USA Free General (MFN) 2 tariff lines 
Canada Free General (MFN) 2 tariff lines 
Mexico Free General (MFN) 2 tariff lines 
Brazil 3.6% General (MFN) 3 tariff lines 
Argentina 3.6% General (MFN) 3 tariff lines 
Peru Free General (MFN) 2 tariff lines 
New Zealand Free General (MFN) 4 tariff lines 
Japan Free General (MFN) 2 tariff lines 
Taiwan Free General (MFN) 3 tariff lines 
GCC 5% General (MFN) 8 tariff lines 
Switzerland Free General (MFN) 2 tariff lines 
Norway Free General (MFN) 2 tariff lines 
North Macedonia Free – 20% General (MFN) 2 tariff lines · average 10% 
Nigeria 5% General (MFN) 2 tariff lines See also
Questions and answers
What is the HS code for clinkers (mineral)?
Clinkers (mineral) are classified under 2621 (Other slag and ash) in the Harmonized System. National tariffs add more digits; see the lines on this page.