| Customization: | Available |
|---|---|
| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, an essential powerhouse in industrial applications, is scientifically known as sodium hexafluoroaluminate or sodium aluminum fluoride. With its molecular formula Na3AlF6, this substance appears as a pristine white crystal, devoid of any scent. Its solubility surpasses that of natural cryolite, boasting a specific gravity of 3 and a hardness rating between 2 and 3. It melts at a scorching 1009 degrees Celsius and readily absorbs moisture. Cryolite serves a pivotal role as a flux in aluminum electrolysis, enhances durability in rubber and grinding wheels as a filler, acts as an enamel whitening agent, provides UV protection in glass, functions as a metal flux, and even plays a role as an agricultural insecticide. The renowned Hall-Heroult process utilizes a cryolite-based fluoride melt to refine metallic aluminum. No other compound has yet matched cryolite's 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) |
||
| ≥ | ≤ | ||||||||||
| 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 intricate process of aluminum electrolysis, enhancing efficiency and effectiveness.
2. Acts as a wear-resistant additive in grinding products, significantly boosting the wear resistance, cutting capabilities, and force of the grinding wheel, thereby prolonging both the service life and storage duration of the grinding wheel.
3. Serves as a flux in ferroalloy and boiling steel applications, offering superior functionality and performance.
4. Utilized as a flux for non-ferrous metals, ensuring optimal results in various industrial processes.
5. Functions as a casting deoxidizer, contributing to the quality and integrity of cast products.
6. Employed in the creation of glass anti-reflective coatings, enhancing visual clarity and reducing glare.
7. Acts as an emulsifier for enamel, improving texture and consistency for superior finishes.
8. Used as an opalizer for glass, adding unique visual effects and enhancing aesthetic appeal.
9. Integral component as a flux for welding consumables, ensuring strong and reliable welds.
10. Serves as a filler in the ceramic industry, contributing to product strength and finish quality.
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