{
  "summary": "HS code 2529.10 covers feldspar. It sits in heading 25.29 (feldspar; leucite, nepheline and nepheline syenite; fluorspar) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement). Other goods of heading 25.29 are classified under 2529.21 (fluorspar, containing by weight 97 % or less of calcium fluoride), 2529.22 (fluorspar, containing by weight more than 97 % of calcium fluoride) or 2529.30 (leucite; nepheline and nepheline syenite). National tariff lines under 2529.10 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "2529.10",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Feldspar",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "25.29: Feldspar; leucite, nepheline and nepheline syenite; fluorspar",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/2529"
    },
    {
      "label": "Chapter",
      "value": "25: Salt; sulphur; earths and stone; plastering materials, lime and cement",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/25"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/252910"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 2529.10 cover?",
      "answer": "HS code 2529.10 covers feldspar."
    },
    {
      "question": "Which heading and chapter is HS code 2529.10 in?",
      "answer": "HS code 2529.10 is in heading 25.29 (feldspar; leucite, nepheline and nepheline syenite; fluorspar) in chapter 25 (salt; sulphur; earths and stone; plastering materials, lime and cement)."
    },
    {
      "question": "Where are goods of heading 25.29 classified when 2529.10 doesn’t fit?",
      "answer": "Other goods of heading 25.29 are classified under 2529.21 (fluorspar, containing by weight 97 % or less of calcium fluoride), 2529.22 (fluorspar, containing by weight more than 97 % of calcium fluoride) or 2529.30 (leucite; nepheline and nepheline syenite)."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 2529.10?",
      "answer": "National tariff lines under 2529.10 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 2529.10 covers feldspar.",
        "The legal text of the subheading is “Feldspar”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 25.29 are classified under 2529.21 (fluorspar, containing by weight 97 % or less of calcium fluoride), 2529.22 (fluorspar, containing by weight more than 97 % of calcium fluoride) or 2529.30 (leucite; nepheline and nepheline syenite)."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "2529.10 is a six-digit subheading. Its first two digits, 25, are the chapter; the first four, 2529, are heading 25.29; the last two, 10, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 2529.10 are live on border.bot for the United States (1 line, 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-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "25",
      "description": "Salt; sulphur; earths and stone; plastering materials, lime and cement"
    },
    "heading": {
      "code": "2529",
      "description": "Feldspar; leucite, nepheline and nepheline syenite; fluorspar"
    },
    "subheading": {
      "code": "252910",
      "description": "Feldspar",
      "levels": [
        "Feldspar"
      ],
      "english": null,
      "keywords": []
    },
    "siblings": [
      {
        "code": "252921",
        "description": "Fluorspar: Containing by weight 97 % or less of calcium fluoride"
      },
      {
        "code": "252922",
        "description": "Fluorspar: Containing by weight more than 97 % of calcium fluoride"
      },
      {
        "code": "252930",
        "description": "Leucite; nepheline and nepheline syenite"
      }
    ],
    "related": [],
    "previous": {
      "code": "252800",
      "description": "Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight",
      "indexable": true
    },
    "next": {
      "code": "252921",
      "description": "Fluorspar: Containing by weight 97 % or less of calcium fluoride",
      "indexable": true
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    "schedules": [
      {
        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1,
        "members": 1
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    ],
    "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": []
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  "code": "252910",
  "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. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.",
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