Indonesia reference layer

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
FieldValue
Code3811
LevelHeading / 4 digits
ChapterChapter 38
SectionProducts of the chemical or allied industries
6-digit subheadings5
Branch groups0

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

CodeTitleRoute
381111Based on lead compounds381111
381119Other381119
381121Containing petroleum oils or oils obtained from bituminous minerals381121
381129Other381129
381190Other381190

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

SourceURLCoverageTier
WCO HS 2022https://www.wcotradetools.org/en/harmonized-system/search/2022/en4-digit headings and 6-digit subheadingsofficial
DJBC BTKIhttps://www.beacukai.go.id/btki-dan-tarifIndonesia chapter mapping and BTKI contextofficial
INSW tariff lookuphttps://insw.go.id/intrExisting Indonesian tariff-line examplesofficial

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