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HS 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

HS heading 3811 in the BTKI/HS tree. View the parent chapter, section, and the 6-digit subheadings parsed from the WCO 2022 structure.

2026 reference 3811 WCO HS 2022 + DJBC BTKI chapter structure
Published: 2026-05-08 Reviewed: 2026-05-08 Authority: WCO HS 2022 + DJBC BTKI chapter structure
Field Value
Code 3811
Level Heading / 4 digits
Chapter Chapter 38
Section Products of the chemical or allied industries
6-digit subheadings 5
Branch groups 0

Practical summary

Heading 3811 sits inside chapter 38 and groups a product family before you select the more specific 6-digit subheading. This layer uses the WCO 2022 nomenclature as the structural base and routes you back to Indonesia’s BTKI for final customs decisions.

6-digit subheadings

Code Title Route
381111 Based on lead compounds 381111
381119 Other 381119
381121 Containing petroleum oils or oils obtained from bituminous minerals 381121
381129 Other 381129
381190 Other 381190

How to use this page

Use this heading to lock the product family, then move down to the 6-digit subheading before checking any more specific Indonesian tariff line. If the product is still ambiguous, re-check its technical specification, composition, and function against the official BTKI/INSW tools.

Sources

Source URL Coverage Tier
WCO HS 2022 https://www.wcotradetools.org/en/harmonized-system/search/2022/en 4-digit headings and 6-digit subheadings official
DJBC BTKI https://www.beacukai.go.id/btki-dan-tarif Indonesia chapter mapping and BTKI context official
INSW tariff lookup https://insw.go.id/intr Existing Indonesian tariff-line examples official

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