Ceramic wares; for laboratory, chemical or other technical uses, articles having a hardness equivalent to 9 or more on the Mohs scale

HS v2017 Code: 690912

About ceramic wares; for laboratory, chemical or other technical uses, articles having a hardness equivalent to 9 or more on the mohs scale

HS code 690912 covers a specialized category of ceramic products used in various technical and industrial applications. These high-hardness ceramic wares are essential components in many scientific, chemical, and engineering processes, contributing to the advancement of research, development, and production across diverse industries. Their unique properties make them indispensable in applications where extreme durability, resistance to wear, and chemical inertness are critical requirements.

Production process

The production of HS 690912 ceramic wares typically involves a multi-step process. First, raw materials such as clay, feldspar, and quartz are carefully selected and blended to achieve the desired chemical composition and physical properties. The mixture is then shaped using techniques like pressing, extrusion, or slip casting, depending on the specific product requirements. After shaping, the ceramic pieces undergo a high-temperature firing process, often in excess of 1,000°C, to fuse the materials and impart the exceptional hardness and durability characteristics.

Production inputs

The primary inputs for the production of HS 690912 ceramic wares include high-purity clay, feldspar, and quartz, as well as specialized manufacturing equipment such as kilns, presses, and molds. Additionally, the industry relies on a skilled workforce capable of precisely controlling the production parameters to ensure the consistent quality and performance of the final products.

Production outputs

HS 690912 ceramic wares find applications in a wide range of industries, including 282450 Chemical industry, 901890 Medical and scientific equipment, and 854389 Electrical and electronic equipment. These high-performance ceramic components are used in laboratory equipment, chemical processing vessels, and various specialized industrial applications where their exceptional hardness, chemical resistance, and thermal stability are essential.

Revisions to 690912

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 690912. The most recent 1 version of this code (690912) is in the HS v2022 system:

This page shows a legacy version of code 690912 ( HS v2017).

Family tree for ceramic wares; for laboratory, chemical or other technical uses, articles having a hardness equivalent to 9 or more on the mohs scale

    graph LR
    A["<a href='/classifications/hs/v2017/69'>69: Ceramic products</a>"]
A --> B["<a href='/classifications/hs/v2017/6909'>6909: Ceramic ware for laboratory, chemical, other technical uses; ceramic troughs, tubs, similar receptacles used in agriculture; ceramic pots, jars and similar used in the conveyance or packing of goods</a>"]
B --> C["<a href='/classifications/hs/v2017/690912'>690912: Ceramic wares; for laboratory, chemical or other technical uses, articles having a hardness equivalent to 9 or more on the Mohs scale</a>"]

    B --> D["<a href='/classifications/hs/v2017/690911'>690911: Ceramic wares; for laboratory, chemical or other technical uses, of porcelain or china</a>"]
B --> E["<a href='/classifications/hs/v2017/690919'>690919: Ceramic wares; for laboratory, chemical or other technical uses, other than articles having a hardness equivalent to 9 or more on the Mohs scale or of porcelain or china</a>"]
B --> F["<a href='/classifications/hs/v2017/690990'>690990: Ceramic wares; pots, jars and similar articles of a kind used for the conveyance or packing of goods and ceramic troughs, tubs and similar receptacles used in agriculture</a>"]

    

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    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
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class B level4
class C level6
class D level6
class E level6
class F level6

  class C highlight

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  %% class B,C level2
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  %% class C highlight