| Customization: | Available |
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| CAS No.: | 15096-52-3 |
| Formula: | Na3alf6 |
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Cryolite, scientifically recognized as sodium hexafluoroaluminate or sodium aluminum fluoride, boasts the molecular formula Na3AlF6. This remarkable substance presents itself as a pristine white, fine crystal, devoid of any odor. Notably more soluble than its natural counterpart, cryolite carries a specific gravity of 3, a hardness ranging from 2 to 3, and boasts a melting point of 1009 degrees Celsius. Its propensity to absorb moisture is noteworthy. Cryolite is versatile, serving as an essential flux in aluminum electrolysis and functioning as a wear-resistant filler for rubber and grinding wheels. It acts as an enamel whitening agent, a glass sunscreen, a metal flux, and even an insecticide for crop protection. The Hall-Heroult method continues to rely on cryolite's unique fluoride melt for the production of metallic aluminum, as no other compound matches its unparalleled properties.
| Model | Chemical composition( mass fraction)/% |
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| F (Fluorine content) | AI (Aluminum content) | Na (Sodium content) | SiO2 (Silicon Dioxide) | Fe2O3 (Iron Oxide) | SO² (Sulfate) | CaO (Calcium Oxide) | P2O5 (Phosphorus Pentoxide) | Hygroscopic nature Picture-perfect Moisture content |
Ignition capacity Mass loss upon ignition (mass fraction) |
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| ≥ (Greater than or equal to) | ≤ (Less than or equal to) | ||||||||||
| FH-1 Specification | 52% Fluorine | 12% Aluminum | 33% Sodium | 0.25% Silicon Dioxide | 0.08% Iron Oxide | 0.6% Sulfate | 0.15% Calcium Oxide | 0.02% Phosphorus Pentoxide | 1.5% Hygroscopic | 2.0% Moisture | |
| FH-2 Specification | 52% Fluorine | 12% Aluminum | 33% Sodium | 0.36% Silicon Dioxide | 0.08% Iron Oxide | 1.0% Sulfate | 0.20% Calcium Oxide | 0.03% Phosphorus Pentoxide | 1.3% Hygroscopic | 2.5% Moisture | |
| FM-1 Specification | 53% Fluorine | 13% Aluminum | 32% Sodium | 0.25% Silicon Dioxide | 0.05% Iron Oxide | 0.6% Sulfate | 0.20% Calcium Oxide | 0.02% Phosphorus Pentoxide | 0.7% Hygroscopic | 2.0% Moisture | |
| FM-2 Specification | 53% Fluorine | 13% Aluminum | 32% Sodium | 0.36% Silicon Dioxide | 0.08% Iron Oxide | 1.0% Sulfate | 0.60% Calcium Oxide | 0.03% Phosphorus Pentoxide | 0.7% Hygroscopic | 2.5% Moisture | |
1. Primarily utilized as a flux in the electrolysis of aluminum, providing unparalleled efficiency in aluminum production processes.
2. Serves as an exceptional wear-resistant additive in grinding products, significantly enhancing the wear resistance, cutting precision, and cutting force of grinding wheels, thus prolonging their service life and storage duration.
3. Acts as a vital flux in the production of ferroalloys and boiling steel, ensuring superior quality and performance.
4. Essential as a flux for non-ferrous metals, facilitating improved metal processing and quality outcomes.
5. Functions as a highly effective casting deoxidizer, ensuring superior casting integrity and finish.
6. Applied in glass manufacturing, it is crucial for anti-reflective coatings, enhancing clarity and reducing glare.
7. Utilized as an emulsifier in enamel production, ensuring smooth, high-quality finishes.
8. Employed as an opalizer in glass manufacturing, adding a distinctive opalescent quality to glass products.
9. Serves as an essential flux in welding consumables, ensuring robust and reliable welding results.
10. Used as a filler in the ceramic industry, enhancing material properties and overall product quality.
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