| Customization: | Available |
|---|---|
| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, an extraordinary compound also recognized as sodium hexafluoroaluminate or sodium aluminum fluoride, bears the molecular formula Na3AlF6. It manifests as a white fine crystal, devoid of any odor, possessing a solubility superior to that of its natural counterpart. With a specific gravity of 3 and a hardness level ranging between 2 and 3, this compound has a melting point that reaches a substantial 1009 degrees Celsius. Notably, it has a tendency to absorb moisture. Cryolite serves diverse applications, playing pivotal roles as a flux in aluminum electrolysis, a wear-resistant filler in the fabrication of rubber and grinding wheels, an enamel whitening agent, a glass sunscreen, a metal flux, and even as an insecticide for crop protection. The illustrious Hall-Heroult method utilizes a cryolite-based fluoride melt as a solvent to produce metallic aluminum, underscoring its irreplaceable nature due to its unique and indispensable properties.
| 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. Primarily utilized as a flux in the aluminum electrolysis process, our Cryolite Cutting Disc Media ensures optimal performance and efficiency.
2. Engineered to be a wear-resistant additive for grinding products, it significantly enhances wear resistance, cutting precision, and cutting force, thereby prolonging the service life and storage duration of grinding wheels.
3. Functions as a flux in the production of ferroalloys and boiling steel, contributing to improved metallurgical processes.
4. Serves as an essential non-ferrous metal flux, facilitating seamless metal processing.
5. Acts as a casting deoxidizer, ensuring high-quality results in casting applications.
6. Applied in the production of anti-reflective coatings for glass, enhancing clarity and reducing unwanted glare.
7. Used as an emulsifier for enamel, providing a smooth and consistent finish.
8. Functions as an opalizer in glass manufacturing, creating exquisite opalescent effects.
9. Employed as a flux in welding consumables, promoting efficient and robust welds.
10. Utilized as a filler in the ceramic industry, contributing to the production of high-quality ceramic products.
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