| 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, possesses a distinctive molecular formula: Na3AlF6. This remarkable white, fine crystal is both odorless and boasts a solubility that surpasses that of natural cryolite. With a specific gravity of 3 and a hardness rating between 2 and 3, this substance melts at a formidable 1009 degrees Celsius and has a propensity to absorb water, becoming wet. As a versatile material, Cryolite serves numerous essential functions: it acts as a flux in aluminum electrolysis, provides wear-resistance as a filler in rubber and grinding wheels, enhances the whiteness of enamel, serves as a sunscreen in glass, acts as a metal flux, and functions as an insecticide in agriculture. The renowned Hall-Heroult process utilizes a fluoride melt based on cryolite as a solvent to produce metallic aluminum, a testament to its unrivaled efficacy. To this day, no alternative compound has been discovered that can replace cryolite, thanks to its unique, indispensable properties that set it apart from any substitute.
| 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 an essential flux in the process of aluminum electrolysis, ensuring optimal performance and efficiency.
2. Acts as a wear-resistant additive within grinding products, significantly enhancing wear resistance, cutting precision, and cutting force of grinding wheels. This leads to a remarkable extension of the grinding wheel's service life and storage stability.
3. Serves as a crucial flux for both ferroalloy and boiling steel, optimizing their processing and quality.
4. An indispensable flux for various non-ferrous metals, contributing to superior refinement and processing results.
5. Utilized as a casting deoxidizer, it plays a vital role in improving the quality and integrity of cast products.
6. Employed in glass anti-reflective coatings, enhancing clarity and reducing glare for improved visual performance.
7. Functions as an emulsifier for enamel, ensuring smooth application and superior finish.
8. Used as an opalizer for glass, imparting an attractive opalescent effect that enhances aesthetic appeal.
9. Integral flux for welding consumables, facilitating stable and effective welding processes.
10. Acts as a filler within the ceramic industry, contributing to the strength, stability, and quality of ceramic products.
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