Asbestos

HS v2017 Code: 2524

Chapter	Heading	Sub-heading
25	24	n/a

Code	2524
Version	HS v2017
Hierarchy Level	4
Datasource	WCO
Chapter	25

Ancestor Codes: Salt; sulphur; earths, stone; plastering materials, lime and cement

This Code: Asbestos

Child Codes: Asbestos; crocidolite (blue asbestos); Asbestos; other than crocidolite (blue asbestos)

Sibling Codes (Nearest 5): Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement; Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825; Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers; Mica, including splittings; mica waste; Natural steatite; whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc

About asbestos

HS code 2524 covers the industry of asbestos, a naturally occurring mineral fiber with unique properties that have made it a valuable industrial material for centuries. Asbestos is prized for its heat resistance, durability, and insulating capabilities, making it an essential component in a wide range of products, from construction materials to automotive parts. This industry plays a crucial role in supporting various sectors of the global economy, providing essential raw materials for a diverse array of applications.

Production process

The production of asbestos involves the mining and processing of asbestos-containing rock formations. The primary method is open-pit mining, where the asbestos-bearing ore is extracted from the earth's surface. The extracted material is then crushed, sorted, and processed to separate the asbestos fibers from the surrounding rock. This process may involve various techniques, such as mechanical separation, chemical treatment, and thermal processing, to ensure the purity and quality of the final asbestos product.

Production inputs

The main inputs required for the asbestos industry include the raw asbestos-containing rock, as well as specialized mining and processing equipment. Additionally, the industry relies on a skilled workforce, including miners, geologists, and processing technicians, to extract and refine the asbestos fibers. Energy sources, such as electricity and fuel, are also necessary for the various stages of production.

Production outputs

The primary output of the asbestos industry is the refined asbestos fiber, which is then used as a raw material in the production of a wide range of products. These include 6811 Construction materials, 6812 Friction materials, 6813 Gaskets, packing and sealing materials, and 6814 Textile products. The asbestos industry also produces various by-products, such as crushed rock and mineral residues, which may have secondary uses in other industries.

Family tree for asbestos

    graph LR
    A["<a href='/classifications/hs/v2017/25'>25: Salt; sulphur; earths, stone; plastering materials, lime and cement</a>"]
A --> B["<a href='/classifications/hs/v2017/2524'>2524: Asbestos</a>"]

    A --> C["<a href='/classifications/hs/v2017/2501'>2501: Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water</a>"]
A --> D["<a href='/classifications/hs/v2017/2502'>2502: Iron pyrites; unroasted</a>"]
A --> E["<a href='/classifications/hs/v2017/2503'>2503: Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur</a>"]
A --> F["<a href='/classifications/hs/v2017/2504'>2504: Graphite; natural</a>"]
A --> G["<a href='/classifications/hs/v2017/2505'>2505: Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26</a>"]
A --> H["<a href='/classifications/hs/v2017/2506'>2506: Quartz; (other than natural sands), quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> I["<a href='/classifications/hs/v2017/2507'>2507: Kaolin and other kaolinic clays; whether or not calcined</a>"]
A --> J["<a href='/classifications/hs/v2017/2508'>2508: Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth</a>"]
A --> K["<a href='/classifications/hs/v2017/2509'>2509: Chalk</a>"]
A --> L["<a href='/classifications/hs/v2017/2510'>2510: Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk</a>"]
A --> M["<a href='/classifications/hs/v2017/2511'>2511: Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816</a>"]
A --> N["<a href='/classifications/hs/v2017/2512'>2512: Siliceous fossil meals (e.g. kieselguhr, tripolite and diatomite) and similar siliceous earths; whether or not calcined, of an apparent specific gravity of 1 or less</a>"]
A --> O["<a href='/classifications/hs/v2017/2513'>2513: Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated</a>"]
A --> P["<a href='/classifications/hs/v2017/2514'>2514: Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> Q["<a href='/classifications/hs/v2017/2515'>2515: Marble, travertine, ecaussine and other calcareous stone; of an apparent specific gravity of less than 2.5, alabaster, whether cut by sawing etc, into blocks, slabs of a rectangular (square) shape</a>"]
A --> R["<a href='/classifications/hs/v2017/2516'>2516: Granite, porphyry, basalt, sandstone, other monumental and building stone, whether or not roughly trimmed, cut, by sawing etc, into blocks or slabs of a rectangular (including square) shape</a>"]
A --> S["<a href='/classifications/hs/v2017/2517'>2517: Pebbles, gravel, crushed stone for concrete aggregates for road or railway ballast, shingle or flint; macadam of slag, dross etc tarred granules, chippings, powder of stones of heading no. 2515 and 2516</a>"]
A --> T["<a href='/classifications/hs/v2017/2518'>2518: Dolomite, whether or not calcined or sintered; including dolomite roughly trimmed, or merely cut by sawing or otherwise into blocks or slabs of rectangular (including square) shape; dolomite ramming mix</a>"]
A --> U["<a href='/classifications/hs/v2017/2519'>2519: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not</a>"]
A --> V["<a href='/classifications/hs/v2017/2520'>2520: Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders</a>"]
A --> W["<a href='/classifications/hs/v2017/2521'>2521: Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement</a>"]
A --> X["<a href='/classifications/hs/v2017/2522'>2522: Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825</a>"]
A --> Y["<a href='/classifications/hs/v2017/2523'>2523: Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers</a>"]
A --> Z["<a href='/classifications/hs/v2017/2525'>2525: Mica, including splittings; mica waste</a>"]
A --> BA["<a href='/classifications/hs/v2017/2526'>2526: Natural steatite; whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc</a>"]
A --> BB["<a href='/classifications/hs/v2017/2528'>2528: 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</a>"]
A --> BC["<a href='/classifications/hs/v2017/2529'>2529: Feldspar; leucite; nepheline and nepheline syenite; fluorspar</a>"]
A --> BD["<a href='/classifications/hs/v2017/2530'>2530: Mineral substances not elsewhere specified or included</a>"]

    B --> BE["<a href='/classifications/hs/v2017/252410'>252410: Asbestos; crocidolite (blue asbestos)</a>"]
B --> BF["<a href='/classifications/hs/v2017/252490'>252490: Asbestos; other than crocidolite (blue asbestos)</a>"]


    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level4
class D level4
class E level4
class F level4
class G level4
class H level4
class I level4
class J level4
class K level4
class L level4
class M level4
class N level4
class O level4
class P level4
class Q level4
class R level4
class S level4
class T level4
class U level4
class V level4
class W level4
class X level4
class Y level4
class Z level4
class BA level4
class BB level4
class BC level4
class BD level4
class BE level6
class BF level6

  class B highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class B highlight