Harmonized Tariff Schedule of the United States · HTS code · HS 3811.11
3811.11.10: Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 3811 Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils:
- Antiknock preparations:
- 3811.11 Based on lead compounds:
- 3811.11.10 Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 1
- Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
- Applies to goods from
- China
- In force
- from 24 September 2018
- Legal act
- HTSUS 9903.88.03
Same subheading in other tariffs
3811.11 Based on lead compounds
USA lines: 3811.11
Legal notes
HTS code 3811.11.10 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 3811.11 (based on lead compounds).
The general duty is free, and quantities are declared in kg.
For the same subheading, the UK duty is 4%–6%, the EU duty is 5.8%–6.5%, the Türkiye duty is 5.8%–6.5%, the Canada duty is free, the Mexico duty is free, the Brazil duty is free, the Argentina duty is free, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is free, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 5% and the Nigeria duty is 10%.
The United States imported goods of subheading 3811.11 worth US$18m in 2024; the largest supplier was the United Kingdom, and the United Kingdom ranked 1st with US$17m.
Questions and answers
What is the USA import duty for HTS code 3811.11.10?
The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 3811.11 as a whole, the largest supplier in 2024 was the United Kingdom (US$17m), followed by India.
Typical products
Everyday names, not part of the legal text.