Products A–Z
HS code for anti-knock preparations
In the UK Trade Tariff’s list of everyday names, “anti-knock preparations” points to subheading 3811.11: based on lead compounds. 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, 3811.11 covers 2 tariff lines and the duty is between 4% and 6%.
The EU Combined Nomenclature divides 3811.11 into 2 tariff lines; the duty is between 5.8% and 6.5% (average 6.2%).
In the Turkish Customs Tariff Schedule, 3811.11 covers 2 tariff lines and the duty is between 5.8% and 6.5%.
Duty rates compared
UK 4% – 6% Third-country duty 2 tariff lines · average 5% 
EU 5.8% – 6.5% Third-country duty 2 tariff lines · average 6.2% 
Türkiye 5.8% – 6.5% Third-country duty 2 tariff lines · average 6.2% 
USA Free General (MFN) 2 tariff lines 
Canada Free General (MFN) 1 tariff line 
Mexico Free General (MFN) 1 tariff line 
Brazil Free General (MFN) 1 tariff line 
Argentina Free General (MFN) 1 tariff line 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free General (MFN) 1 tariff line 
Taiwan Free General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Switzerland Free General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia 5% General (MFN) 2 tariff lines 
Nigeria 10% General (MFN) 1 tariff line See also
Questions and answers
What is the HS code for anti-knock preparations?
Anti-knock preparations are classified under 3811.11 (Based on lead compounds) in the Harmonized System. National tariffs add more digits; see the lines on this page.