| Customization: | Available |
|---|---|
| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, also widely recognized as sodium hexafluoroaluminate or sodium aluminum fluoride, presents itself with the molecular formula Na3AlF6. This remarkable compound appears as a white fine crystal, devoid of any odor. Its solubility surpasses that of natural cryolite, while its specific gravity stands at 3, and its hardness ranges from 2 to 3. With a melting point of 1009 degrees Celsius, it readily absorbs moisture, making it hygroscopic. Cryolite finds its primary application as a flux in aluminum electrolysis, enhancing efficiency and productivity. It also serves as a wear-resistant filler in rubber and grinding wheels, contributes as an enamel whitening agent, and acts as a glass sunscreen and metal flux. Moreover, in the agricultural sector, it is utilized as an effective crop insecticide. The renowned Hall-Heroult method employs a cryolite-based fluoride melt as a solvent for producing metallic aluminum, showcasing its irreplaceable attributes. Its unique properties remain unmatched, making it indispensable in its roles and applications.
| Model | Chemical composition( mass fraction)/% |
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| F | AI | Na | SiO2 | Fe2O3 | SO4²- | CaO | P2O5 | Hygroscopic 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 aluminum electrolysis, this product ensures optimal performance and efficiency.
2. Serving as a wear-resistant additive in grinding products, it significantly enhances the wear resistance, cutting prowess, and cutting force of grinding wheels, thereby prolonging the service life and storage duration of the wheels.
3. Acts as a flux in ferroalloy and boiling steel, contributing to improved process stability and product quality.
4. An essential non-ferrous metal flux, enabling superior processing and product excellence.
5. Functions effectively as a casting deoxidizer, ensuring purity and quality in metal casting applications.
6. Utilized in glass anti-reflective coatings, it enhances clarity and visual performance.
7. Acts as an emulsifier for enamel, ensuring a smooth and durable finish.
8. Serves as an opalizer for glass, imparting a lustrous and appealing aesthetic.
9. Integral as a flux for welding consumables, facilitating seamless and robust welds.
10. Used as a filler in the ceramic industry, contributing to enhanced structural integrity and finish.
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