Clays (excluding expanded clays of heading no. 6806); chamotte or dinas earths

HS v2022 Code: 250870

About clays (excluding expanded clays of heading no. 6806); chamotte or dinas earths

HS code 250870 covers a diverse range of natural clay minerals, excluding the expanded clays used in insulation and construction materials. These clays play a vital role in various industries, from ceramics and refractories to paper and paint production. As a key raw material, the global trade and utilization of these clays are integral to the broader manufacturing and construction sectors.

Production process

The production of clays classified under HS code 250870 typically involves the extraction of mineral-rich deposits from the earth's surface or subsurface. After mining, the raw clay material undergoes various processing steps, such as crushing, screening, and beneficiation, to remove impurities and refine the clay to the desired specifications. Depending on the end-use application, the processed clay may undergo further treatments, such as drying, calcination, or chemical modifications, to enhance its physical and chemical properties.

Production inputs

The primary inputs for the production of clays under HS code 250870 are the natural clay deposits found in various geological formations. In addition to the raw clay material, the industry also requires specialized mining and processing equipment, as well as energy sources, such as electricity or fuel, to power the extraction and refinement processes. Transportation infrastructure, such as roads, railways, or waterways, is also essential for the efficient movement of the raw materials and finished products.

Production outputs

The clays classified under HS code 250870 are widely used as raw materials in a diverse range of industries. These clays find applications in the production of 691010 ceramic sanitary fixtures, 690210 refractory bricks, blocks, tiles, and similar refractory ceramic constructional goods, 480200 uncoated paper and paperboard, and 320910 paints and varnishes, among others. The specific end-use of the clay depends on its physical and chemical properties, which can vary depending on the geological source and processing methods.

Revisions to 250870

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 250870. The most recent 1 version of this code (250870) is in the HS v2022 system (this version):

This page shows the most recent version of code 250870.

Family tree for clays (excluding expanded clays of heading no. 6806); chamotte or dinas earths

    graph LR
    A["<a href='/classifications/hs/v2022/25'>25: Salt; sulphur; earths, stone; plastering materials, lime and cement</a>"]
A --> B["<a href='/classifications/hs/v2022/2508'>2508: Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth</a>"]
B --> C["<a href='/classifications/hs/v2022/250870'>250870: Clays (excluding expanded clays of heading no. 6806); chamotte or dinas earths</a>"]

    B --> D["<a href='/classifications/hs/v2022/250810'>250810: Clays (excluding expanded clays of heading no. 6806); bentonite, whether or not calcined</a>"]
B --> E["<a href='/classifications/hs/v2022/250830'>250830: Clays (excluding expanded clays of heading no. 6806); fireclay, whether or not calcined</a>"]
B --> F["<a href='/classifications/hs/v2022/250840'>250840: Clays (excluding expanded clays of heading no. 6806); n.e.c. in heading no. 2508, whether or not calcined</a>"]
B --> G["<a href='/classifications/hs/v2022/250850'>250850: Clays (excluding expanded clays of heading no. 6806); andalusite, kyanite and sillimanite, whether or not calcined</a>"]
B --> H["<a href='/classifications/hs/v2022/250860'>250860: Clays (excluding expanded clays of heading no. 6806); mullite</a>"]

    

    %% Color coordination by level

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    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 level6
class D level6
class E level6
class F level6
class G level6
class H level6

  class C 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 C highlight