Section VI, Chemical and allied products · HTS release 2026HTSRev21
HTS Chapter 38: headings and duty rates
Headings 3801 to 3827: 27 headings and 217 statistical lines. Each heading page gives its base-rate range and the additional duties for the main origins on 2026-10-09.
| Heading | Lines | Base rate |
|---|---|---|
| 3801Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form… | 7 | Free–4.9% |
| 3802Activated carbon; activated natural mineral products; animal black, including spent animal black | 6 | 2.5%–5.8% |
| 3803Tall oil, whether or not refined | 1 | Free |
| 3804Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated,… | 2 | Free–3.7% |
| 3805Gum, wood or sulfate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous… | 3 | Free–5% |
| 3806Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums | 5 | 3.7%–6.5% |
| 3807Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar preparations based on… | 1 | 0.1% |
| 3808Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants… | 38 | Free–6.5% |
| 3809Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for… | 6 | 6%–6.5% + specific |
| 3810Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding;… | 4 | Free–6.5% |
| 3811Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and… | 6 | Free–6.5% |
| 3812Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included;… | 10 | Free–6.5% |
| 3813Preparations and charges for fire extinguishers; charged fire-extinguishing grenades | 2 | Free–3.7% |
| 3814Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish removers | 4 | 6%–6.5% |
| 3815Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included | 8 | Free–6.5% |
| 3816Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of… | 3 | Free–3% |
| 3817Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902 | 3 | 6.5% |
| 3818Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped… | 7 | Free |
| 3819Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70… | 2 | 6.5% |
| 3820Antifreezing preparations and prepared deicing fluids | 1 | 6.5% |
| 3821Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant,… | 2 | 5% |
| 3822Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing,… | 8 | Free |
| 3823Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols | 9 | 2%–5.1% + specific |
| 3824Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries… | 48 | Free–6.5% |
| 3825Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage… | 9 | Free |
| 3826Biodiesel and mixtures thereof, not containing or containing less than 70 percent by weight of petroleum oils or oils… | 2 | 4.6%–6.5% |
| 3827Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included | 20 | 3.7%–6.5% |
Changes since 2025-10-09
8 statistical lines established and 1 discontinued in this chapter according to the USITC Change Records (11 changes in total). Dated changes: change list.
Scope
We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.