HS code 381111: Based on Lead Compounds
- Covers:
- Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers…
- Listed US duty:
- 0% (US general rate, HTS 2026)
Official description
Anti-knock 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 : Anti-knock preparations : Based on lead compounds
Find or check your HS code
Suggestions from the HS index, not a customs ruling
Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.
What 381111 covers and what it doesn’t
Official text: Anti-knock 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 › Anti-knock preparations › Based on lead compounds.
Nearby codes to check
- Heading 3811 Anti-knock 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: every subheading side by side.
- 381119 Anti-knock preparations — Other
- 381121 Additives for lubricating oils — Containing petroleum oils or oils obtained from bituminous minerals
- 381129 Additives for lubricating oils — Other
- 381190 Other
US duty rate
0%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Common questions
- What is HS code 381111?
- Anti-knock 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 : Anti-knock preparations : Based on lead compounds
- What duty rates apply to 381111?
- Listed duty rates range from 0% across 1 country rate.
Browse all of Chapter 38: Miscellaneous chemical products →
Go beyond the code
Find the companies shipping under 381111 in the company directory, or classify and check duty with the CLI.