{ "summary": "HS heading 38.18 covers chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics. It is in chapter 38 (miscellaneous chemical products). It is not split further: its only subheading is 3818.00. National tariff lines under heading 38.18 are live on border.bot for the United States (7 lines, also used by 1 other country).", "updatedAt": "2026-10-11", "facts": [ { "label": "Heading", "value": "38.18", "source": "border.bot release GLOBAL:hs #2" }, { "label": "Description", "value": "Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics", "source": "border.bot release GLOBAL:hs #2" }, { "label": "Chapter", "value": "38: Miscellaneous chemical products", "source": "border.bot release GLOBAL:hs #2" }, { "label": "Subheadings", "value": "1", "source": "border.bot release GLOBAL:hs #2" }, { "label": "Edition", "value": "HS2022", "source": "border.bot release GLOBAL:hs #2" } ], "faq": [ { "question": "What does HS heading 38.18 cover?", "answer": "HS heading 38.18 covers chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics." }, { "question": "Which chapter is HS heading 38.18 in?", "answer": "HS heading 38.18 is in chapter 38 (miscellaneous chemical products)." }, { "question": "How many subheadings does HS heading 38.18 have?", "answer": "HS heading 38.18 has one subheading, 3818.00." }, { "question": "Which countries’ tariffs list national lines under HS heading 38.18?", "answer": "National tariff lines under heading 38.18 are live on border.bot for the United States (7 lines, also used by 1 other country)." } ], "sections": [ { "id": "covers", "title": "What this code covers", "text": [ "HS heading 38.18 covers chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics.", "It is not split further: its only subheading is 3818.00." ] }, { "id": "not-covered", "title": "What it doesn’t cover", "text": [ "Other goods of chapter 38 are classified in its other 26 headings, listed below." ] }, { "id": "structure", "title": "How it is structured", "text": [ "Heading 38.18 is one of 27 headings in chapter 38. Its first two digits, 38, are the chapter; the next two, 18, number the heading within it. Its subheadings add two more digits (3818.00)." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "National tariff lines under heading 38.18 are live on border.bot for the United States (7 lines, also used by 1 other country)." ] }, { "id": "sources", "title": "Sources and updates", "text": [ "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.", "This page was last updated on 11 October 2026.", "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling." ] } ], "data": { "type": "hs-heading", "edition": "HS2022", "chapter": { "code": "38", "description": "Miscellaneous chemical products" }, "heading": { "code": "3818", "description": "Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics" }, "subheadings": [ { "code": "381800", "description": "Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics", "levels": [ "Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics" ] } ], "otherHeadings": [ { "code": "3801", "description": "Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semi-manufactures" }, { "code": "3802", "description": "Activated carbon; activated natural mineral products; animal black, including spent animal black" }, { "code": "3803", "description": "Tall oil, whether or not refined" }, { "code": "3804", "description": "Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but excluding tall oil of heading 38.03" }, { "code": "3805", "description": "Gum, wood or sulphate turpentine and other terpenic oils produced by the distillation or other treatment of coniferous woods; crude dipentene; sulphite turpentine and other crude para-cymene; pine oil containing alpha-terpineol as the main constituent" }, { "code": "3806", "description": "Rosin and resin acids, and derivatives thereof; rosin spirit and rosin oils; run gums" }, { "code": "3807", "description": "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" }, { "code": "3808", "description": "Insecticides, rodenticides, fungicides, herbicides, anti-sprouting 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, sulphur-treated bands, wicks and candles, and fly-papers)" }, { "code": "3809", "description": "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" }, { "code": "3810", "description": "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" }, { "code": "3811", "description": "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" }, { "code": "3812", "description": "Prepared rubber accelerators; compound plasticisers for rubber or plastics, not elsewhere specified or included; anti-oxidising preparations and other compound stabilisers for rubber or plastics" }, { "code": "3813", "description": "Preparations and charges for fire-extinguishers; charged fire- extinguishing grenades" }, { "code": "3814", "description": "Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish removers" }, { "code": "3815", "description": "Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included" }, { "code": "3816", "description": "Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01" }, { "code": "3817", "description": "Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 27.07 or 29.02" }, { "code": "3819", "description": "Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 % by weight of petroleum oils or oils obtained from bituminous minerals" }, { "code": "3820", "description": "Anti-freezing preparations and prepared de-icing fluids" }, { "code": "3821", "description": "Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells" }, { "code": "3822", "description": "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 30.06; certified reference materials" }, { "code": "3823", "description": "Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols" }, { "code": "3824", "description": "Prepared binders for foundry moulds 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" }, { "code": "3825", "description": "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" }, { "code": "3826", "description": "Biodiesel and mixtures thereof, not containing or containing less than 70 % by weight of petroleum oils or oils obtained from bituminous minerals" }, { "code": "3827", "description": "Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included" } ], "previous": { "code": "3817", "description": "Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 27.07 or 29.02", "indexable": false }, "next": { "code": "3819", "description": "Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 % by weight of petroleum oils or oils obtained from bituminous minerals", "indexable": false }, "schedules": [ { "code": "US", "name": "United States", "slug": "united-states", "lines": 7, "members": 1 } ], "provenance": [ { "dataset": "GLOBAL:hs", "country": "GLOBAL", "kind": "hs", "seq": 2, "version": "mytraddal hs2022.csv (HS 2022)", "liveAt": "2026-10-11T06:04:17.693Z", "origin": "upload", "sourceUrls": [] } ], "dateModified": "2026-10-11T06:04:17.693Z", "seo": { "canonicalPath": "/hs-codes/3818", "robots": "noindex", "sitemap": false, "reasons": [ "only one subheading, which repeats the heading" ] } }, "pagination": { "page": 1, "pages": 1, "size": 100, "total": 1, "prev": null, "next": null }, "previous": null, "next": null, "links": { "self": "https://border.bot/hs-codes/3818.json", "html": "https://border.bot/hs-codes/3818", "canonical": "https://border.bot/hs-codes/3818", "markdown": "https://border.bot/hs-codes/3818.md", "tools": { "calculator": "https://border.bot/tools/landed-cost-calculator", "classifier": "https://border.bot/tools/hs-code-classifier", "api": "https://api.border.bot/v1" } }, "code": "3818", "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.", "terms": "https://border.bot/legal/terms", "notice": "Guidance from published tariff data, not a binding ruling. 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