| Customization: | Available |
|---|---|
| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, scientifically recognized as sodium hexafluoroaluminate or sodium aluminum fluoride, is embodied by the chemical formula Na3AlF6. This substance presents as a white fine crystal, exuding an odorless quality. Its solubility surpasses that of natural cryolite, with a specific gravity of 3 and a hardness scale ranging from 2 to 3. Its impressive melting point of 1009 degrees Celsius, coupled with its propensity to absorb moisture, positions it as a versatile component in various applications. Cryolite is predominantly leveraged as a flux in aluminum electrolysis, a wear-resistant filler in rubber and grinding wheels, a whitening agent in enamel, a solar barrier in glass, a metal flux, and an agricultural insecticide. The esteemed Hall-Heroult method employs a cryolite-based fluoride melt to facilitate the production of metallic aluminum, a process unrivaled by any other compound due to cryolite's irreplaceable 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) |
||
| ≥ | ≤ | ||||||||||
| 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 electrolysis of aluminum, offering unmatched efficiency.
2. Acts as a robust wear-resistant additive for grinding products, significantly enhancing the durability, cutting prowess, and endurance of grinding wheels, thus extending their service life and storage longevity.
3. Serves as a critical flux for both ferroalloy and boiling steel processes.
4. A remarkable flux for various non-ferrous metals, ensuring optimal performance.
5. Utilized as a deoxidizer in casting, enhancing the quality of the cast products.
6. Essential for glass anti-reflective coatings, providing a flawless finish.
7. Functions as an emulsifier in enamel production, ensuring smooth, consistent textures.
8. Operates as an opalizer in glass manufacturing, achieving the desired opalescent effect.
9. Integral as a flux in the creation of welding consumables, promoting superior weld quality.
10. Acts as a filler within the ceramic industry, enhancing the material's properties for superior results.
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