Silicon; containing by weight less than 99.99% of silicon

HS v2022 Code: 280469

About silicon; containing by weight less than 99.99% of silicon

HS code 280469 covers silicon containing less than 99.99% of silicon by weight. This type of silicon is an essential material in a wide range of industries, from electronics and solar energy to chemical manufacturing and metallurgy. Its unique properties, such as high thermal and electrical conductivity, make it a crucial component in many modern technologies and products. The global silicon market is expected to continue growing steadily, driven by the increasing demand for silicon-based products across various sectors.

Production process

The production of silicon with less than 99.99% purity typically involves the reduction of silicon dioxide (SiO2) with carbon or other reducing agents in an electric arc furnace or a submerged arc furnace. This process, known as the Siemens process, results in the formation of metallurgical-grade silicon, which is then further refined and processed to meet the specific requirements of different applications.

Production inputs

The main inputs required for the production of silicon under HS code 280469 include silicon dioxide (SiO2), such as quartz or sand, as well as carbon-based reducing agents like coal, coke, or charcoal. Additionally, the production process requires significant amounts of electricity to power the electric arc or submerged arc furnaces. Specialized equipment, such as furnaces, crucibles, and purification systems, are also essential for the manufacturing of this type of silicon.

Production outputs

The silicon produced under HS code 280469 is used as a raw material in various industries. It is a key component in the production of 854211 semiconductor devices, 854213 electronic integrated circuits, and 854219 other electronic microassemblies. Additionally, this type of silicon is utilized in the manufacture of 680510 abrasive powder or grain, 680520 natural or artificial abrasive powder or grain, and 680530 abrasive on a base of textile, paper, or other materials. The silicon output from this industry also serves as an input for the production of 280469 silicon containing by weight less than 99.99% of silicon.

Revisions to 280469

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 280469. The most recent 1 version of this code (280469) is in the HS v2022 system (this version):

This page shows the most recent version of code 280469.

Family tree for silicon; containing by weight less than 99.99% of silicon

    graph LR
    A["<a href='/classifications/hs/v2022/28'>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/v2022/2804'>2804: Hydrogen, rare gases and other non-metals</a>"]
B --> C["<a href='/classifications/hs/v2022/280469'>280469: Silicon; containing by weight less than 99.99% of silicon</a>"]

    B --> D["<a href='/classifications/hs/v2022/280410'>280410: Hydrogen</a>"]
B --> E["<a href='/classifications/hs/v2022/280421'>280421: Gases, rare; argon</a>"]
B --> F["<a href='/classifications/hs/v2022/280429'>280429: Gases, rare; other than argon</a>"]
B --> G["<a href='/classifications/hs/v2022/280430'>280430: Nitrogen</a>"]
B --> H["<a href='/classifications/hs/v2022/280440'>280440: Oxygen</a>"]
B --> I["<a href='/classifications/hs/v2022/280450'>280450: Boron; tellurium</a>"]
B --> J["<a href='/classifications/hs/v2022/280461'>280461: Silicon; containing by weight not less than 99.99% of silicon</a>"]
B --> K["<a href='/classifications/hs/v2022/280470'>280470: Phosphorus</a>"]
B --> L["<a href='/classifications/hs/v2022/280480'>280480: Arsenic</a>"]
B --> M["<a href='/classifications/hs/v2022/280490'>280490: Selenium</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 level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M 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