Cryolite

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1. C R YO L I T E
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4. Cryolite Mines

5. What is cryolite used
for?
Cryolite is used as an insecticide
and a pesticide. It is also used to
give fireworks a yellow color.
Molten cryolite is used as a
solvent for aluminiumoxide (Al
2O 3) in the Hall–Héroultprocess,
used in the refining of aluminium.

7. Hall process : The purified Al
2O
3is dissolved in molten cryolite,
Na
3AlF
6, which has a melting point of 1012°C and is an effective
conductor of electric current.

11. Industry Grade Synthetic Cryolite Used For Auxiliary
Solvent Optical Coating Materials Salt Potassium
Aluminium Fluoride

13. Imports into India

15. The market for cryolite
is expected to register a CAGR more than 4%, globally,
during the forecast period. Cryolite is an inorganic compound
with the formula Na3AlF3.
•Cryolite is generally manufactured from aluminum oxide,
sodium hydroxide, and hydrofluoric acid, or their
equivalent reagent, hexafluorosilicicacid.
•Cryolite is a fluxing agent with a low melting point. In large
amounts, cryolite can become volatile in the presence of
silica. Furthermore, it can cause blistering. Owing to the
versatile and favorable chemical properties of cryolite, its
applications in aluminum smelting and the abrasive
production segment are rising at a rapid pace,
consequently propelling the market growth.