HS code 3811: Anti-knock preparations, oxidation and gum inhibitors, viscosity…

Subheadings of 3811 (6 digits)

• 3811.11 Anti-knock preparations; based on lead compounds
• 3811.19 Anti-knock preparations; other than those based on lead compounds
• 3811.21 Lubricating oil additives; containing petroleum oils or oils obtained from bituminous minerals
• 3811.29 Lubricating oil additives; not containing petroleum oils or oils obtained from bituminous minerals
• 3811.90 Oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations, other prepared additives for mineral oils or liquids used as mineral oils (including gasoline), n.e.c. in heading no. 3811

Pick the subheading that describes your product. A subheading marked “n.e.c.” (not elsewhere classified) or “other” covers only what the subheadings before it do not. Click a code to copy it.

Confirm the full code and the duty rate

The first 6 digits are the same in every country that uses HS 2022. Each country adds 2–4 more digits and sets the duty in its own tariff, and the section and chapter notes can include or exclude products, so check the destination’s official tariff before you put the code on the invoice.

• United States (HTS)
• European Union (TARIC)
• United Kingdom
• China
• India (ICEGATE)
• Vietnam
• Korea (Republic of)
• Japan
• Brazil
• Canada
• Australia
• South Africa

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Other headings in chapter 38

• 3801 Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in…
• 3802 Activated carbon; activated natural mineral products; animal black, including spent animal black
• 3803 Tall oil, whether or not refined
• 3804 Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically…
• 3805 Gum, wood or sulphate turpentine, other terpenic oils; crude dipentene; sulphite turpentine, other crude…
• 3806 Rosin and resin acids and derivatives thereof; rosin spirit and rosin oils; run gums
• 3807 Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar…
• 3808 Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products, plant growth regulators…
• 3809 Finishing agents, dye carriers to accelerate the dyeing, fixing of dyestuffs, other products and…
• 3810 Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other…
• 3812 Prepared rubber accelerators; compound plasticisers for rubber or plastics, n.e.c. or included…
• 3813 Preparations and charges for fire extinguishers; charged fire-extinguishing grenades
• 3814 Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish…
• 3815 Reaction initiators, reaction accelerators and catalytic preparations n.e.c. or included
• 3816 Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than…
• 3817 Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading no. 2707 or 2902
• 3818 Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical…
• 3819 Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing…
• 3820 Anti-freezing preparations and prepared de-icing fluids
• 3821 Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like)…
• 3822 Reagents; diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether…
• 3823 Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols
• 3824 Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied…
• 3825 Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste…
• 3826 Biodiesel and mixtures thereof; not containing or containing less than 70% by weight of petroleum oils or…
• 3827 Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included