| Customization: | Available |
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| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, also referred to as sodium hexafluoroaluminate or sodium aluminum fluoride, is a crucial industrial compound with the molecular formula Na3AlF6. This white, fine crystalline substance is odorless, featuring a solubility greater than its natural counterpart. With a specific gravity of 3 and a hardness rating between 2 to 3, it boasts a considerable melting point of 1009 degrees Celsius. Despite being prone to water absorption, this remarkable material plays an integral role in various industrial applications. Primarily, it serves as a flux in aluminum electrolysis, enhancing the efficiency of the process. Additionally, it functions as a wear-resistant filler in rubber and grinding wheels, an effective whitening agent in enamel, a vital component in glass as a sunscreen, and a metal flux. Furthermore, it is utilized as an insecticide for crops, showcasing its versatility. The Hall-Heroult method remains reliant on a cryolite-based fluoride melt for the production of metallic aluminum, underscoring its irreplaceable qualities.
| Model | Chemical composition( mass fraction)/% |
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| F | AI | Na | SiO2 | Fe2O3 | so4²- | CaO | P2O5 | Hygrosco pic moisture |
Ignition loss( mass fraction) |
||
| ≥ | ≤ | ||||||||||
| FH-1 | 52 | 12 | 33 | 0.25 | 0.08 | 0.6 | 0.15 | 0.02 | 1.5 | 2.0 | |
| FH-2 | 52 | 12 | 33 | 0.36 | 0.08 | 1.0 | 0.20 | 0.03 | 1.3 | 2.5 | |
| FM-1 | 53 | 13 | 32 | 0.25 | 0.05 | 0.6 | 0.20 | 0.02 | 0.7 | 2.0 | |
| FM-2 | 53 | 13 | 32 | 0.36 | 0.08 | 1.0 | 0.60 | 0.03 | 0.7 | 2.5 | |
1. Primarily utilized as an essential flux in the aluminum electrolysis process, enhancing efficiency and purity.
2. Serves as a robust wear-resistant additive in grinding products, significantly boosting the wear resistance, cutting efficiency, and force of grinding wheels, while prolonging their operational life and shelf stability.
3. Acts as a flux in the production of ferroalloys and boiling steel, facilitating smooth processing.
4. Essential non-ferrous metal flux, ensuring optimal processing and quality.
5. Efficiently functions as a casting deoxidizer, promoting cleaner and superior castings.
6. Integral for creating glass anti-reflective coatings, enhancing clarity and reducing glare.
7. Operates as an emulsifier for enamel, ensuring smooth texture and resilience.
8. Utilized as an opalizer for glass, imparting a distinct and appealing opalescent finish.
9. Functions as a flux for welding consumables, improving weld strength and consistency.
10. Acts as a filler within the ceramic industry, enhancing material properties and production efficiency.
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