Chapter 38 of the US tariff schedule
27 headings and 284 codes, from Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures. Pick a heading to see its lines and their duty rates.
| Heading | Description | Codes |
|---|---|---|
| 3801 | Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semimanufactures | 11 |
| 3802 | Activated carbon; activated natural mineral products; animal black, including spent animal black | 9 |
| 3803 | Tall oil, whether or not refined | 1 |
| 3804 | Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulfonates, but excluding tall oil of heading 3803 | 3 |
| 3805 | Gum, wood or sulfate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulfite turpentine and other crude para-cymene; pine oil containing alpha-terpineol as the main constituent | 5 |
| 3806 | Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums | 7 |
| 3807 | Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar preparations based on rosin, resin acids or on vegetable pitch | 1 |
| 3808 | Insecticides, rodenticides, fungicides, herbicides, antisprouting products and plant-growth regulators, disinfectants and similar products, put up in forms or packings for retail sale or as preparations or articles (for example, sulfur-treated bands, wicks and candles, and flypapers) | 51 |
| 3809 | Finishing agents, dye carriers to accelerate the dyeing or fixing of dyestuffs and other products and preparations (for example, dressings and mordants), of a kind used in the textile, paper, leather or like industries, not elsewhere specified or included | 9 |
| 3810 | Pickling preparations for metal surfaces; fluxes and other auxiliary preparations for soldering, brazing or welding; soldering, brazing or welding powders and pastes consisting of metal and other materials; preparations of a kind used as cores or coatings for welding electrodes or rods | 6 |
| 3811 | Antiknock 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 | 8 |
| 3812 | Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics | 14 |
| 3813 | Preparations and charges for fire extinguishers; charged fire-extinguishing grenades | 3 |
| 3814 | Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish removers | 6 |
| 3815 | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included | 11 |
| 3816 | Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 3801 | 5 |
| 3817 | Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902 | 4 |
| 3818 | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics | 8 |
| 3819 | Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 percent by weight of petroleum oils or oils obtained from bituminous minerals | 3 |
| 3820 | Antifreezing preparations and prepared deicing fluids | 1 |
| 3821 | Prepared culture media for development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells | 3 |
| 3822 | Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 3006; certified reference materials | 10 |
| 3823 | Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols | 13 |
| 3824 | Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included | 57 |
| 3825 | Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter | 10 |
| 3826 | Biodiesel and mixtures thereof, not containing or containing less than 70 percent by weight of petroleum oils or oils obtained from bituminous materials | 3 |
| 3827 | Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included | 22 |
Source: Harmonized Tariff Schedule of the United States, U.S. International Trade Commission (public domain). Descriptions are as published.