Sodium hexafluoroaluminate (synthetic cryolite)

HS code 282630 covers the classification of synthetic cryolite, a key industrial chemical used in the production of aluminum. As a vital component in the aluminum smelting process, synthetic cryolite plays a crucial role in the global aluminum industry, which is essential for a wide range of applications across various sectors, including construction, transportation, and consumer goods. The demand for this chemical is closely tied to the overall health and growth of the aluminum industry, making it an important commodity within the broader import/export landscape.

Synthetic cryolite is produced through a chemical reaction between aluminum fluoride and sodium fluoride. The raw materials are combined and heated to high temperatures, causing the formation of sodium hexafluoroaluminate, which is then purified and processed into the final product. The production process requires specialized equipment and strict quality control measures to ensure the desired purity and consistency of the synthetic cryolite.

The main inputs required for the production of synthetic cryolite are aluminum fluoride and sodium fluoride. These raw materials must be of high quality and purity to meet the stringent requirements of the aluminum smelting industry. Additionally, the production process requires significant energy inputs, such as electricity or natural gas, to power the high-temperature reactions and purification steps.

The primary output of HS code 282630 is synthetic cryolite, which is then consumed by the 760110 aluminum smelting industry as a key component in the aluminum production process. Synthetic cryolite is used to lower the melting point of the aluminum oxide (alumina) and facilitate the electrolytic reduction of the metal. Other industries that may utilize synthetic cryolite include the 282520 ceramic and glass manufacturing sectors, where it is used as a flux and opacifier.