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Sodium Aluminum Fluoride Powder

Sodium Aluminum Fluoride Powder

Sodium Aluminum Fluoride Powder
Product No NRE-11227
CAS 13775-53-6
Purity 99.9%
Formula Na3•AlF6
APS <40 µm (can be customized)
Color White
Molecular Weight 209.94 g/mol
Density 2.9 g/cm3
Melting Point 950 °C
Boiling Point NA

Sodium Aluminum Fluoride Powder

Sodium aluminum fluoride, commonly known as cryolite, is an inorganic compound with the formula Na3AlF6. It is a white, crystalline powder primarily used as a flux in the production of aluminum. Here are some of its main applications:

Aluminum Metallurgy: Cryolite is a crucial component in the extraction of aluminum from its ore, bauxite. It serves as a solvent for alumina in the production of aluminum and lowers the melting point of the mixture, facilitating the electrolytic process in the Hall-Héroult process for aluminum smelting.

Insecticides: It is used as an insecticide in some agricultural applications. Its pesticidal properties make it effective in controlling pests like ants and cockroaches.

Glass and Ceramic Industry: Cryolite is also used as a flux in the production of glass and ceramics. It helps to lower the melting point of the raw materials, allowing for easier shaping and forming during the manufacturing process.

Abrasives and Welding: It is utilized in the production of abrasives and welding agents. In abrasive applications, it helps in maintaining the consistency of particle sizes and in welding, it aids in the removal of impurities and oxides from the metal surface.

Opacifier in Enamel: Cryolite is used in enamel and ceramic industries as an opacifier, which helps to give a white or opaque appearance to the final product.

Electroplating: It is used in the electroplating industry as an additive in electrolyte solutions, aiding in the deposition of metal coatings on various substrates.