| Customization: | Available |
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| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, also known as sodium hexafluoroaluminate or sodium aluminum fluoride, boasts the molecular formula Na3AlF6. It is a white, fine crystalline powder that is odorless and possesses a solubility greater than that of natural cryolite. With a specific gravity of 3, a hardness rating of 2 to 3, and a melting point of 1009 degrees Celsius, cryolite is characteristically hygroscopic and tends to absorb moisture easily. This versatile compound is predominantly employed as a flux in aluminum electrolysis, serving as a wear-resistant filler for rubber and grinding wheels. Additionally, it finds application as an enamel whitening agent, a sunscreen for glass, a metal flux, and even as an insecticide for crops. The Hall-Heroult method leverages a cryolite-based fluoride melt as a solvent to produce metallic aluminum—a testament to its unique properties, as no viable substitute has been discovered to date.
| Model | Chemical composition( mass fraction)/% |
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| F | AI | Na | SiO2 | Fe2O3 | so4²- | CaO | P2O5 | Hygrosco pic moisture |
Ignition loss( mass fraction) |
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| ≥ | ≤ | ||||||||||
| 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. This cutting-edge product is primarily utilized as a flux in the process of aluminum electrolysis, ensuring unparalleled efficiency and quality.
2. It serves as a robust wear-resistant additive for grinding products, markedly enhancing the wear resistance and cutting prowess of grinding wheels. This powerful additive extends the service life and maximizes the storage potential of grinding wheels.
3. An essential flux for both ferroalloy and boiling steel, ensuring optimal performance and superior end results.
4. Perfectly suited as a non-ferrous metal flux, offering reliability and high performance in varied applications.
5. Acts as a highly effective casting deoxidizer, facilitating smoother and cleaner casting processes.
6. Ideal for glass production, this product serves as an anti-reflective coating, enhancing both aesthetic appeal and functionality.
7. Functions as a superb emulsifier for enamel, contributing to a flawless finish and enduring quality.
8. As an opalizer for glass, it ensures a beautiful and consistent opalescent finish, elevating the visual impact of glass products.
9. A reliable flux for welding consumables, it enhances weld quality and performance.
10. In the ceramic industry, it is used as a filler, contributing to the strength and integrity of ceramic products.
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