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