Chapter 38

Miscellaneous Chemical Products

284 tariff lines · 217 filing-ready 10-digit codes · codes begin with 38

Chapter 38 of the US Harmonized Tariff Schedule covers miscellaneous Chemical Products. Every code in this chapter starts with the digits 38. Work down the nested list below: the bold headings are broad categories, and the 10-digit statistical codes underneath them are what you actually declare to US Customs. Duty rates shown are the general (Column 1) rates that apply to most trading partners.

Codes in Chapter 38

HTS codeDescriptionLevelGeneral duty rate
3801.10Artificial graphite6-digit heading
3801.10.10.00Plates, rods, powder and other forms, wholly or partly manufactured, for manufacturing into brushes for electric generators, motors or other machines or appliances10-digit statistical code3.7%
3801.10.50Other8-digit subheadingFree
3801.10.50.10Surface-modified spherical graphite10-digit statistical code
3801.10.50.90Other10-digit statistical code
3801.20.00.00Colloidal or semi-colloidal graphite10-digit statistical codeFree
3801.30.00.00Carbonaceous pastes for electrodes and similar pastes for furnace linings10-digit statistical code4.9%
3801.90.00Other8-digit subheading4.9%
3801.90.00.10Active anode material containing silicon10-digit statistical code
3801.90.00.50Other10-digit statistical code
HTS codeDescriptionLevelGeneral duty rate
3802.10.00Activated carbon8-digit subheading4.8%
3802.10.00.10Derived from coal10-digit statistical code
3802.10.00.20Derived from coconut10-digit statistical code
3802.10.00.50Other10-digit statistical code
3802.90Other6-digit heading
3802.90.10.00Bone black10-digit statistical code5.8%
3802.90.20.00Activated clays and activated earths10-digit statistical code2.5%
3802.90.50.00Other10-digit statistical code4.8%
HTS codeDescriptionLevelGeneral duty rate
HTS codeDescriptionLevelGeneral duty rate
3806.10.00Rosin and resin acids8-digit subheading5%
3806.10.00.10Gum rosin10-digit statistical code
3806.10.00.50Other10-digit statistical code
3806.20.00.00Salts of rosin, of resin acids or of derivatives of rosin or resin acids, other than salts of rosin adducts10-digit statistical code3.7%
3806.30.00.00Ester gums10-digit statistical code6.5%
3806.90.00.00Other10-digit statistical code4.2%
HTS codeDescriptionLevelGeneral duty rate
3808.52.00.00DDT (ISO) (clofenatone (INN)), in packings of a net weight content not exceeding 300 g10-digit statistical code6.5%
3808.59Other6-digit heading
3808.59.10.00Containing any aromatic or modified aromatic pesticide10-digit statistical code6.5%
3808.59.40.00Disinfectants10-digit statistical code5%
3808.59.50.00Other10-digit statistical code5%
3808.61In packings of a net weight content not exceeding 300 g6-digit heading
3808.61.10.00Containing any aromatic or modified aromatic pesticide10-digit statistical code6.5%
3808.61.50.00Other10-digit statistical code5%
3808.62In packings of a net weight content exceeding 300 g but not exceeding 7.5 kg6-digit heading
3808.62.10.00Containing any aromatic or modified aromatic pesticide10-digit statistical code6.5%
3808.62.50.00Other10-digit statistical code5%
3808.69Other6-digit heading
3808.69.10.00Containing any aromatic or modified aromatic pesticide10-digit statistical code6.5%
3808.69.50.00Other10-digit statistical code5%
3808.91Insecticides6-digit heading
3808.91.10.00Fly ribbons (ribbon fly catchers)10-digit statistical code2.8%
3808.91.15.00Mixtures of N-[[(4-chlorophenyl)amino]- carbonyl]-2,6-difluorobenzamide and inert substances10-digit statistical codeFree
3808.91.25.01Other10-digit statistical code6.5%
3808.91.30.00Containing an inorganic substance10-digit statistical code5%
3808.91.50.01Other10-digit statistical code5%
3808.92Fungicides6-digit heading
3808.92.05.00Mixtures of dinocap and application adjuvants10-digit statistical codeFree
3808.92.15.00Other10-digit statistical code6.5%
3808.92.24.00Maneb; Zineb; Mancozeb; and Metiram10-digit statistical codeFree
3808.92.28.00Other10-digit statistical code3.7%
3808.92.30.00Containing an inorganic substance10-digit statistical code5%
3808.92.50Other8-digit subheading5%
3808.92.50.40Formulated fungicides containing any 3-iodoprop-2-yn-1-yl butylcarbamate(IPBC)10-digit statistical code
3808.92.50.80Other10-digit statistical code
3808.93Herbicides, anti-sprouting products and plant-growth regulators6-digit heading
3808.93.05.00Mixtures of 2,6-dichlorobenzonitrile and inerts; Mixtures of 3,5-dichloro-N-(1,1-dimethyl-2- propynyl) benzamide (Pronamide) and application adjuvants; Mixtures of 2-[(1-ethoxyimino)butyl]-5-[2- ethylthiopropyl]-3-hydroxy-2-cyclohexen-1- one (Sethoxydim) and application adjuvants; Mixtures of ethyl 2-[4-[(6-chloro-2- benzoxazolyl)oxy]phenoxy]propanoate (Fenoxaprop-ethyl) and isooctyl 2,4-dichlorophenoxyacetate; Mixtures of isooctyl 2-methyl-4-chlorophen- oxyacetate and application adjuvants10-digit statistical codeFree
3808.93.15.00Other10-digit statistical code6.5%
3808.93.20.00Containing an inorganic substance10-digit statistical code5%
3808.93.50Other8-digit subheading5%
3808.93.50.10Mixtures of 2-amino-4-[hydroxy(methyl)phosphonoyl] butanoic acid (glufosinate) or its salts or esters and application adjuvants10-digit statistical code
3808.93.50.20Mixtures of N-(phosphonomethyl) glycine (glyphosate) or its salts or esters and application adjuvants10-digit statistical code
3808.93.50.40Other10-digit statistical code
3808.94Disinfectants6-digit heading
3808.94.10.00Containing any aromatic or modified aromatic disinfectant10-digit statistical code6.5%
3808.94.50Other8-digit subheading5%
3808.94.50.10Wipes, other than paper wipes or nonwoven wipes, impregnated with alcohol or other disinfectants10-digit statistical code
3808.94.50.50Hydrogen peroxide put up in disinfectant preparations for sanitizing or disinfecting surfaces.10-digit statistical code
3808.94.50.80Alcohol-based hand sanitizer containing 60 percent or more by weight of ethanol, of a kind described in statistical note 1 to this chapter10-digit statistical code
3808.94.50.95Other10-digit statistical code
3808.99Other6-digit heading
3808.99.04.00Mixtures of 1,1-bis(4-chlorophenyl)-2,2,2- trichloroethanol (Dicofol) and application adjuvants10-digit statistical codeFree
3808.99.08.00Other10-digit statistical code6.5%
3808.99.30.00Formulated biocides based on 2-methyl-4-isothiazolin-3-one, or 2-n-octyl-4-isothiazolin-3-one, or 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, or mixtures of 5-chloro-2-methyl-4- isothiazolin-3-one and 2-methyl-4- isothiazolin-3-one; and Metaldehyde10-digit statistical codeFree
3808.99.70.00Containing an inorganic substance10-digit statistical code5%
3808.99.95.01Other10-digit statistical code5%
HTS codeDescriptionLevelGeneral duty rate
3809.10.00.00With a basis of amylaceous substances10-digit statistical code2.2¢/kg + 3%
3809.91.00.00Of a kind used in the textile or like industries10-digit statistical code6%
3809.92Of a kind used in the paper or like industries6-digit heading
3809.92.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3809.92.50.00Other10-digit statistical code6%
3809.93Of a kind used in the leather or like industries6-digit heading
3809.93.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3809.93.50.00Other10-digit statistical code6%
HTS codeDescriptionLevelGeneral duty rate
3810.10.00.00Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials10-digit statistical code5%
3810.90Other6-digit heading
3810.90.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3810.90.20.00Consisting wholly of inorganic substances10-digit statistical codeFree
3810.90.50.00Other10-digit statistical code5%
HTS codeDescriptionLevelGeneral duty rate
3811.11Based on lead compounds6-digit heading
3811.11.10.00Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead10-digit statistical codeFree
3811.11.50.00Other10-digit statistical codeFree
3811.19.00.00Other10-digit statistical code6.5%
3811.21.00.00Containing petroleum oils or oils obtained from bituminous minerals10-digit statistical code6.5%
3811.29.00.00Other10-digit statistical code6.5%
3811.90.00.00Other10-digit statistical code6.5%
HTS codeDescriptionLevelGeneral duty rate
3812.10Prepared rubber accelerators6-digit heading
3812.10.10.00Containing any aromatic or modified aromatic rubber accelerator10-digit statistical code6.5%
3812.10.50.00Other10-digit statistical code5%
3812.20Compound plasticizers for rubber or plastics6-digit heading
3812.20.10.00Containing any aromatic or modified aromatic plasticizer10-digit statistical code6.5%
3812.20.50.00Other10-digit statistical code5%
3812.31.00.00Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)10-digit statistical code6.5%
3812.39Other6-digit heading
3812.39.20.00Mixtures of N,N'-diaryl-p-phenylenediamines10-digit statistical code6.5%
3812.39.30.00Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)phenyl]-ω- [[[[2,6-bis(1-methylethyl)phenyl]amino]- methylene]amino]carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methylethyl)- benzene homopolymer with polyethylene, polyethylene terephthalate, or thermoplastic polyurethanes;Master batches of 3-(2H-benzotriazol-2-yl)-5- (tert-butyl)-4-hydroxybenzenepropanoic acid, C7-C9 branched or linear alkyl esters; andMaster batches of α-[3-[3-(2H-benzotriazol-2- yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropyl-ω-[3-[3-(2H-benzotriazol-2-yl)-5- (1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxo- propyl] poly(oxyethylene)10-digit statistical codeFree
3812.39.60.00Other10-digit statistical code6.5%
3812.39.70.00Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate10-digit statistical codeFree
3812.39.90.00Other10-digit statistical code5%
HTS codeDescriptionLevelGeneral duty rate
3813.00.10.00Consisting wholly of inorganic substances10-digit statistical codeFree
3813.00.50.00Other10-digit statistical code3.7%
HTS codeDescriptionLevelGeneral duty rate
3814.00.10.00Containing 5 percent or more but not more than 25 percent by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3814.00.20.00Containing more than 25 percent by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3814.00.50Other8-digit subheading6%
3814.00.50.10Containing methyl chloroform (1,1,1-trichloro- ethane) or carbon tetrachloride10-digit statistical code
3814.00.50.90Other10-digit statistical code
HTS codeDescriptionLevelGeneral duty rate
3815.11.00.00With nickel or nickel compounds as the active substance10-digit statistical codeFree
3815.12.00With precious metal or precious metal compounds as the active substance8-digit subheadingFree
3815.12.00.10With platinum group metals as the active substance10-digit statistical code
3815.12.00.90Other10-digit statistical code
3815.19.00.00Other10-digit statistical codeFree
3815.90Other6-digit heading
3815.90.10.00Of bismuth, of tungsten or of vanadium10-digit statistical code6.5%
3815.90.20.00Of mercury or of molybdenum10-digit statistical code2.8%
3815.90.30.00Other10-digit statistical codeFree
3815.90.50.00Other10-digit statistical code5%
HTS codeDescriptionLevelGeneral duty rate
3816.00.10.00Dolomite ramming mix10-digit statistical codeFree
3816.00.20Other8-digit subheading3%
3816.00.20.10Clay10-digit statistical code
3816.00.20.50Other10-digit statistical code
HTS codeDescriptionLevelGeneral duty rate
3817.00.10.00Mixed linear alkylbenzenes10-digit statistical code6.5%
3817.00.15.00Other10-digit statistical code6.5%
3817.00.20.00Mixed alkylnaphthalenes10-digit statistical code6.5%
HTS codeDescriptionLevelGeneral duty rate
3818.00.00.10Gallium arsenide wafers, doped10-digit statistical code
3818.00.00.20Polycrystalline silicon wafers, doped10-digit statistical code
3818.00.00.30Silicon carbide wafers, doped10-digit statistical code
3818.00.00.40Round (circular) shaped, as described in statistical note 2 to this chapter10-digit statistical code
3818.00.00.45Pseudo-square or rectangular in shape, as described in statistical note 3 to this chapter10-digit statistical code
3818.00.00.50Other10-digit statistical code
3818.00.00.91Other10-digit statistical code
HTS codeDescriptionLevelGeneral duty rate
3822.11.00.00For malaria10-digit statistical codeFree
3822.12.00.00For Zika and other diseases transmitted by mosquitoes of the genus Aedes10-digit statistical codeFree
3822.13.00.00For blood-grouping10-digit statistical codeFree
3822.19.00Other8-digit subheadingFree
3822.19.00.10Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride10-digit statistical code
3822.19.00.30Other10-digit statistical code
3822.19.00.40Containing methyl chloroform (1,1,1-trichloroethane) or carbon tetrachloride10-digit statistical code
3822.19.00.80Other10-digit statistical code
3822.90.00.00Certified reference materials10-digit statistical codeFree
HTS codeDescriptionLevelGeneral duty rate
3823.11.00.00Stearic acid10-digit statistical code2.1¢/kg + 3.8%
3823.12.00.00Oleic acid10-digit statistical code2.1¢/kg + 3.2%
3823.13.00Tall oil fatty acids8-digit subheading3.2%
3823.13.00.20Containing less than two percent rosin10-digit statistical code
3823.13.00.40Other10-digit statistical code
3823.19Other6-digit heading
3823.19.20.00Derived from coconut, palm-kernel or palm oil10-digit statistical code2.3%
3823.19.40.00Other10-digit statistical code3.2%
3823.70Industrial fatty alcohols6-digit heading
3823.70.20.00Oleyl10-digit statistical code5.1%
3823.70.40.00Other10-digit statistical code2%
3823.70.60.00Other10-digit statistical code2.4%
HTS codeDescriptionLevelGeneral duty rate
3824.10.00.00Prepared binders for foundry molds or cores10-digit statistical code6%
3824.30.00.00Nonagglomerated metal carbides mixed together or with metallic binders10-digit statistical code3.6%
3824.40Prepared additives for cements, mortars or concretes6-digit heading
3824.40.10.00Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances10-digit statistical code6.5%
3824.40.20.00Consisting wholly of inorganic substances10-digit statistical codeFree
3824.40.50.00Other10-digit statistical code5%
3824.50.00Nonrefractory mortars and concretes8-digit subheadingFree
3824.50.00.10Wet10-digit statistical code
3824.50.00.50Other10-digit statistical code
3824.60.00.00Sorbitol other than that of subheading 2905.4410-digit statistical code4.9%
3824.81.00.00Containing oxirane (ethylene oxide)10-digit statistical code5%
3824.82Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs)6-digit heading
3824.82.10.00Chlorinated but not otherwise halogenated10-digit statistical code6.5%
3824.82.90.00Other10-digit statistical code3.7%
3824.83.00.00Containing tris(2,3-dibromopropyl) phospate10-digit statistical code5%
3824.84.00.00Containing aldrin (ISO), camphechlor (ISO) (toxaphene), chlordane (ISO), chlordecone (ISO), DDT (ISO) (clofenatone (INN)), 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane), dieldrin (ISO INN), endosulfan (ISO), endrin (ISO), heptachlor (ISO) or mirex (ISO)10-digit statistical code6.5%
3824.85.00.00Containing 1,2,3,4,5,6-hexachlorocyclohexane (HCH (ISO)), including lindane (ISO,INN)10-digit statistical code6.5%
3824.86.00.00Containing pentachlorobenzene (ISO) or hexachlorobenzene (ISO)10-digit statistical code6.5%
3824.87.00.00Containing perfluorooctane sulfonic acid, its salts, perfluorooctane sulfonamides, or perfluorooctane sulfonyl fluoride10-digit statistical code3.7%
3824.88.00.00Containing tetra-, penta-, hexa-, hepta-, or octabromodiphenyl ethers10-digit statistical code6.5%
3824.89.00.00Containing short-chain chlorinated paraffins10-digit statistical code6.5%
3824.91.00.00Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate10-digit statistical code5%
3824.92.00.00Polyglycol esters of methylphosphonic acid.10-digit statistical code5%
3824.99Other6-digit heading
3824.99.11.00In the form of ingots10-digit statistical codeFree
3824.99.19.00Other10-digit statistical code6.5%
3824.99.21.00Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other source10-digit statistical codeFree
3824.99.25.00Aqueous mixtures of triphenyl sulfonium chloride, diphenyl (4-phenylthio)phenyl sulfonium chloride and (thiodi-4,1- phenylene)bis(diphenyl sulfonium) dichloride10-digit statistical code6.5%
3824.99.26.00Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene;Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; andMixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide10-digit statistical codeFree
3824.99.29.00Other10-digit statistical code6.5%
3824.99.31.00Of bismuth10-digit statistical code6.5%
3824.99.32.00Of hydrosulfite compounds, of sulfoxylate compounds, or of both10-digit statistical code6.5%
3824.99.33.00Of mercury10-digit statistical code4.2%
3824.99.34.00Of molybdenum10-digit statistical code2.8%
3824.99.35.00Of tungsten10-digit statistical code6.5%
3824.99.36.00Of vanadium10-digit statistical code6.5%
3824.99.39Other8-digit subheadingFree
3824.99.39.10Of lithium nickel cobalt manganese oxides10-digit statistical code
3824.99.39.90Other10-digit statistical code
3824.99.41Fatty substances of animal or vegetable origin and mixtures thereof8-digit subheading4.6%
3824.99.41.40Mixtures of fatty acid esters10-digit statistical code
3824.99.41.90Other10-digit statistical code
3824.99.49.00Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas10-digit statistical code6.5%
3824.99.50.00Chlorinated but not otherwise halogenated10-digit statistical code6.5%
3824.99.55.00Other10-digit statistical code3.7%
3824.99.70.00Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishings10-digit statistical codeFree
3824.99.75Naphthenic acids, their water-insoluble salts and their esters8-digit subheading3.7%
3824.99.75.10Naphthenic acids10-digit statistical code
3824.99.75.50Other10-digit statistical code
3824.99.93Other8-digit subheading5%
3824.99.93.10Containing C11 or lower alcohols only10-digit statistical code
3824.99.93.20Containing C12 or higher alcohols only10-digit statistical code
3824.99.93.30Other10-digit statistical code
3824.99.93.61Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms10-digit statistical code
3824.99.93.86Mixtures of a kind containing magnesium used as a desulfurization reagent10-digit statistical code
3824.99.93.97Other10-digit statistical code
HTS codeDescriptionLevelGeneral duty rate
3825.10.01.00Municipal waste10-digit statistical codeFree
3825.20.00.00Sewage sludge10-digit statistical codeFree
3825.30.00.00Clinical waste10-digit statistical codeFree
3825.41.00.00Halogenated10-digit statistical codeFree
3825.49.00.00Other10-digit statistical codeFree
3825.50.00.00Wastes of metal-pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluids10-digit statistical codeFree
3825.61.00.00Mainly containing organic constituents10-digit statistical codeFree
3825.69.00.00Other10-digit statistical codeFree
3825.90.01.00Other10-digit statistical codeFree
HTS codeDescriptionLevelGeneral duty rate
3826.00.10.00Biodiesel not containing petroleum oils or oils obtained from bituminous materials (B100)10-digit statistical code4.6%
3826.00.30.00Other10-digit statistical code6.5%
HTS codeDescriptionLevelGeneral duty rate
3827.11.00.00Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs)10-digit statistical code3.7%
3827.12.00.00Containing hydrobromofluorocarbons (HBFCs)10-digit statistical code3.7%
3827.13.00.00Containing carbon tetrachloride10-digit statistical code6.5%
3827.14.00.00Containing 1,1,1-trichloroethane (methyl chloroform)10-digit statistical code6.5%
3827.20.00.00Containing bromochlorodifluoromethane (Halon-1211), bromotrifluoromethane (Halon-1301) or dibromotetrafluoroethanes (Halon-2402)10-digit statistical code3.7%
3827.31.00.00Containing substances of subheadings 2903.41 to 2903.4810-digit statistical code3.7%
3827.32.00.00Other, containing substances of subheadings 2903.71 to 2903.7510-digit statistical code3.7%
3827.39.00.00Other10-digit statistical code3.7%
3827.40.00.00Containing methyl bromide (bromomethane) or bromochloromethane10-digit statistical code3.7%
3827.51.00.00Containing trifluoromethane (HFC-23)10-digit statistical code3.7%
3827.59.00.00Other10-digit statistical code3.7%
3827.61.00.00Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)10-digit statistical code3.7%
3827.62.00.00Other, not included in the subheading above, containing 55 percent or more by mass of pentafluoroethane (HFC- 125) but not containing unsaturated fluorinated derivatives of acyclic hydrocarbons (HFOs)10-digit statistical code3.7%
3827.63.00.00Other, not included in the subheadings above, containing 40 percent or more by mass of pentafluoroethane (HFC-125)10-digit statistical code3.7%
3827.64.00.00Other, not included in the subheadings above, containing 30 percent or more by mass of 1,1,1,2-tetrafluoroethane (HFC-134a) but not containing unsaturated fluorinated derivatives of acyclic hydrocarbons (HFOs)10-digit statistical code3.7%
3827.65.00.00Other, not included in the subheadings above, containing 20 percent or more by mass of difluoromethane (HFC-32) and 20 percent or more by mass of pentafluoroethane (HFC-125)10-digit statistical code3.7%
3827.68.00.00Other, not included in the subheadings above, containing substances of subheadings 2903.41 to 2903.4810-digit statistical code3.7%
3827.69.00.00Other10-digit statistical code3.7%
3827.90Other6-digit heading
3827.90.10.00Chlorinated but not otherwise halogenated10-digit statistical code6.5%
3827.90.90.00Other10-digit statistical code3.7%

Not sure which line applies?

Classification follows the General Rules of Interpretation: the most specific description wins, and you must use a 10-digit statistical code on the entry. When two lines look equally plausible, a CBP binding ruling is the only way to be certain.

Source: USITC Harmonized Tariff Schedule, 2026 Basic Edition, Revision 16. Rate text is reproduced verbatim from the official export; category paths and duty estimates are derived.

Data loaded August 18, 2026.Check this chapter on hts.usitc.govReport an errorHow this data is built