| Customization: | Available |
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| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, scientifically referred to as sodium hexafluoroaluminate or sodium aluminum fluoride, boasts the molecular composition Na3AlF6. This immaculate white fine crystal is characterized by its odorless nature and superior solubility compared to its natural counterpart. With a specific gravity of 3 and a hardness ranging from 2 to 3 on the Mohs scale, it melts at a staggering 1009 degrees Celsius. Notably hygroscopic, cryolite readily absorbs moisture. Esteemed for its multifaceted applications, it serves as an essential flux in aluminum electrolysis, enhances the durability of rubber and grinding wheels as a wear-resistant filler, contributes to enamel as a whitening agent, acts as a sunscreen in glass manufacturing, functions as a metal flux, and even doubles as a crop insecticide. The renowned Hall-Heroult process employs a cryolite-based fluoride melt as a solvent to derive metallic aluminum, a testament to cryolite's unparalleled properties that remain irreplaceable to this day.
| 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. This premier product primarily shines as a flux for aluminum electrolysis, enhancing efficiency and reliability in industrial processes.
2. Employed as a superior wear-resistant additive for grinding products, it significantly boosts the wear resistance, cutting, and cutting force of grinding wheels, thereby extending their service life and storage duration.
3. Acts as an essential flux for ferroalloy and boiling steel, streamlining production with enhanced performance.
4. Serves as a critical non-ferrous metal flux, ensuring optimal quality in metal processing.
5. Functions as an effective casting deoxidizer, refining the casting process and improving product integrity.
6. Utilized for glass anti-reflective coatings, it optimizes clarity and durability.
7. Acts as a vital emulsifier for enamel, enhancing texture and quality.
8. As an opalizer for glass, it transforms ordinary glass into stunning opalescent creations.
9. An indispensable flux for welding consumables, it ensures seamless and robust welding connections.
10. Employed as a filler in the ceramic industry, it enhances product strength and finish quality.
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