# 381119 — Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity…: Other

HS code 381119 classifies Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity…: Other. It belongs to Chapter 38 (Miscellaneous chemical products) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.

> Section VI · Products of the chemical or allied industries
> Chapter 38 · Miscellaneous chemical products

**HS code:** `381119`

## 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 : Other

## Duty rates

| Country | Rate | Programme |
| --- | --- | --- |
| US United States | 6.5% | MFN |

Rates effective as of 2026-01-01.

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Source: https://hscode.eximagent.ai/38/381119
Last updated: 2026-06-03
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