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HS code for boric acid - crude natural
In the UK Trade Tariff’s list of everyday names, “boric acid - crude natural” points to heading 2528: natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight. 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.
2528 is a single line in the EU Combined Nomenclature, where the duty is duty-free.
The Turkish Customs Tariff Schedule has one tariff line for 2528; the duty is duty-free.
2528 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 1 tariff line 
USA Free General (MFN) 1 tariff line 
Canada Free General (MFN) 1 tariff line 
Mexico Free – 7% General (MFN) 2 tariff lines · average 3.5% 
Brazil 3.6% General (MFN) 1 tariff line 
Argentina 3.6% General (MFN) 6 tariff lines 
Peru Free General (MFN) 2 tariff lines 
New Zealand Free General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan Free General (MFN) 2 tariff lines 
GCC 5% General (MFN) 3 tariff lines 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia Free General (MFN) 1 tariff line 
Nigeria 5% General (MFN) 1 tariff line See also
Questions and answers
What is the HS code for boric acid - crude natural?
Boric acid - crude natural are classified under 2528 (Natural borates and concentrates thereof) in the Harmonized System. National tariffs add more digits; see the lines on this page.