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Cryolite Powder

Cryolite Powder

Cryolite Powder (Sodium Aluminium Fluoride Powder)
Product No NRE-11086
CAS 15096-52-3
Purity 99.9%
Formula Na3•AlF6
APS <40 µm (can be customized)
Color White
Molecular Weight 209.94 g/mol
Density 2.9-3.0 g/cm3
Melting Point 950-1012 °C
Boiling Point NA

Cryolite Powder

Cryolite powder, also known as sodium hexafluoro aluminate, is a mineral that occurs as a rare mineral in nature. However, it is primarily produced synthetically for various industrial applications. Some of the applications of cryolite powder include:

Aluminum smelting: Cryolite is primarily used in the production of aluminum. It is added to the electrolyte used in the Hall-Héroult process, which is the primary method for smelting aluminum. It helps lower the melting point of the alumina, facilitating the extraction of aluminum from its ore.

Insecticides: Cryolite has been historically used as an insecticide due to its toxicity to insects. It is effective against a range of agricultural pests, especially in the control of certain moths and beetles. However, its use as an insecticide has decreased due to environmental concerns.

Opacifier in enamel: Cryolite is used as an opacifier in enamel production. It helps to create an opaque or translucent effect in glass and ceramic enamel coatings.

Glass and ceramics: Cryolite is utilized in the production of glass and ceramics. It helps to lower the melting point of these materials and improve their flow properties during the manufacturing process.

Flux in metallurgy: Cryolite is employed as a flux in metallurgical processes. It aids in the removal of impurities from metals during the refining process by forming a slag.

Abrasives: Cryolite is sometimes used as an abrasive in products like grinding wheels and abrasive papers. It helps improve the cutting and grinding action of these materials.

Welding agents: In some cases, cryolite is used as a component in welding agents. It can aid in the welding process by improving the flow and reducing the melting point of the material being welded.

Electrolyte for batteries: Cryolite has been explored as an electrolyte in some types of batteries, especially in the development of high-energy-density batteries. Its unique properties make it a potential candidate for certain battery applications.