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HS code for flux, soldering etc.
In the UK Trade Tariff’s list of everyday names, “flux, soldering etc.” points to heading 3810: pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods. 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, 3810 covers 4 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides 3810 into 3 tariff lines; the duty is between 4.1% and 6.5% (average 5.2%).
In the Turkish Customs Tariff Schedule, 3810 covers 4 tariff lines and the duty is between 4.1% and 6.5%.
Duty rates compared
UK Free Third-country duty 4 tariff lines 
EU 4.1% – 6.5% Third-country duty 3 tariff lines · average 5.2% 
Türkiye 4.1% – 6.5% Third-country duty 4 tariff lines · average 5.5% 
USA Free – 6.5% General (MFN) 4 tariff lines · average 4.1% 
Canada Free Third-country duty 2 tariff lines 
Mexico Free – 3% Third-country duty 3 tariff lines · average 1% 
Brazil 12.6% Third-country duty 3 tariff lines 
Argentina 12.6% Third-country duty 4 tariff lines 
Peru Free Third-country duty 5 tariff lines 
New Zealand Free Third-country duty 3 tariff lines 
Japan 3.9% Third-country duty 2 tariff lines 
Taiwan 5% Third-country duty 4 tariff lines 
GCC 5% Third-country duty 4 tariff lines 
Switzerland Free Third-country duty 2 tariff lines 
Norway Free Third-country duty 3 tariff lines 
North Macedonia 3% Third-country duty 3 tariff lines 
Nigeria 10% Third-country duty 2 tariff lines See also
Questions and answers
What is the HS code for flux, soldering etc.?
Flux, soldering etc. are classified under 3810 (Pickling preparations for metal surfaces) in the Harmonized System. National tariffs add more digits; see the lines on this page.