| Customization: | Available |
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| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Discover the versatile brilliance of Cryolite, chemically known as sodium hexafluoroaluminate or sodium aluminum fluoride, with the molecular formula Na3AlF6. This white, odorless fine crystal boasts a greater solubility than its natural counterpart. With a specific gravity of 3 and a hardness between 2 and 3, Cryolite melts at a remarkable 1009 degrees Celsius and is known for its hygroscopic nature, readily absorbing moisture from its surroundings. Cryolite's multifaceted applications make it indispensable: it serves as a flux in aluminum electrolysis, enhances the durability of rubber and grinding wheels, acts as an enamel whitening agent, provides sun protection in glass manufacturing, functions as a metal flux, and doubles as an insecticide for agriculture. The Hall-Heroult method, fundamental in the production of metallic aluminum, relies on a fluoride melt with Cryolite as a solvent. Even today, no substitute matches Cryolite's unique properties, cementing its essential role.
| Model | Chemical composition( mass fraction)/% |
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| F | AI | Na | SiO2 | Fe2O3 | SO4²- | CaO | P2O5 | Hygroscopic Picture Moisture |
Ignition Loss (Mass Fraction) |
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| ≥ | ≤ | ||||||||||
| 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 aluminum electrolysis process, ensuring seamless and efficient operations.
2. Acts as a robust wear-resistant additive for grinding products, significantly enhancing wear resistance, cutting efficiency, and the cutting force of grinding wheels, while also extending their service life and storage duration.
3. Serves as an essential flux for ferroalloy production and the manufacture of boiling steel.
4. Functions as an effective flux in the processing of non-ferrous metals.
5. Operates as a casting deoxidizer, contributing to improved casting quality.
6. Utilized in the production of glass anti-reflective coatings, enhancing the optical clarity and quality of glass.
7. Acts as an emulsifier for enamel, which aids in achieving a smooth and uniform finish.
8. Serves as an opalizer for glass, adding a unique and appealing visual effect to glass products.
9. Applied as a flux in the production of welding consumables, facilitating superior welding processes.
10. Used as a filler within the ceramic industry, contributing to the durability and quality of ceramic products.
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