Silicon dioxide

HS v2017 Code: 281122

About silicon dioxide

HS code 281122 covers silicon dioxide, a vital chemical compound with a wide range of industrial applications. Silicon dioxide, commonly known as silica, is a naturally occurring mineral that is essential for the production of glass, ceramics, and various other materials. It plays a crucial role in the global economy, supporting industries such as construction, electronics, and chemical manufacturing.

Production process

The production of silicon dioxide typically involves the extraction and purification of natural silica sources, such as quartz or sand. The raw material is then subjected to various processing techniques, including crushing, grinding, and chemical treatment, to remove impurities and achieve the desired purity and particle size. Depending on the specific application, silicon dioxide may undergo further processing, such as calcination or chemical modification, to enhance its properties.

Production inputs

The main inputs required for the production of silicon dioxide include the raw silica materials, such as quartz or sand, as well as energy sources, such as electricity or natural gas, to power the processing equipment. Specialized machinery, including crushers, grinders, and chemical reactors, are also essential for the production process. Additionally, various chemical reagents may be used to facilitate the purification and modification of the silicon dioxide.

Production outputs

The primary output of HS code 281122 is silicon dioxide, which is a versatile material used in a wide range of industries. The refined silicon dioxide can be used in the production of 701000 Glass and glassware, 690100 Ceramic products, 854400 Electrical and electronic equipment, and 282000 Inorganic chemical compounds, among others. The specific applications of silicon dioxide depend on its purity, particle size, and other physical and chemical properties.

Revisions to 281122

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 281122. The most recent 1 version of this code (281122) is in the HS v2022 system:

This page shows a legacy version of code 281122 ( HS v2017).

Newer versions
Older versions

Family tree for silicon dioxide

    graph LR
    A["<a href='/classifications/hs/v2017/28'>28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes</a>"]
A --> B["<a href='/classifications/hs/v2017/2811'>2811: Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810</a>"]
B --> C["<a href='/classifications/hs/v2017/281122'>281122: Silicon dioxide</a>"]

    B --> D["<a href='/classifications/hs/v2017/281111'>281111: Hydrogen fluoride (hydrofluoric acid)</a>"]
B --> E["<a href='/classifications/hs/v2017/281112'>281112: Hydrogen cyanide (hydrocyanic acid)</a>"]
B --> F["<a href='/classifications/hs/v2017/281119'>281119: Inorganic acids; other than hydrogen fluoride</a>"]
B --> G["<a href='/classifications/hs/v2017/281121'>281121: Carbon dioxide</a>"]
B --> H["<a href='/classifications/hs/v2017/281129'>281129: Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2</a>"]

    

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