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Where is sodium fluoroaluminate used
info：m.csxcdz.cn | Release time：2025-05-05
Sodium fluoroaluminate (Na ∝ AlF ?), also known as cryolite, has important applications in multiple fields, as follows:
1. Aluminum industry: It is a key flux in aluminum electrolysis production. It can lower the melting point of alumina, allowing it to melt and electrolyze at lower temperatures (about 950-970 ℃), thereby reducing energy consumption during the electrolysis process. At the same time, it can also improve the conductivity of electrolytes, enhance the efficiency of electrolytic reactions, increase the yield and quality of aluminum, and reduce production costs.
2. Glass industry: can be used as a light blocking agent and opalescent agent in glass production. Adding sodium fluoroaluminate can give glass good light blocking and milky effect, and is commonly used in the production of special glass products such as milky white glass and opaque glass. In addition, it can reduce the surface tension of glass, improve the formability of glass, and facilitate the processing and manufacturing of glass.
3. Enamel industry: It is one of the important components of enamel glaze. It can lower the melting point of enamel glaze, promote the uniform spreading and adhesion of glaze on the metal surface, improve the adhesion and glossiness of enamel, and make enamel products have better corrosion resistance and decorative properties.
4. Casting industry: It can be used as a flux and refining agent in casting processes. It can help remove impurities and gases from aluminum and aluminum alloy melts, improve the purity of the melt, enhance the casting performance of aluminum alloys, reduce casting defects, and improve the quality and performance of castings.
5. Other fields: In the production of some electronic materials, sodium fluoroaluminate can be used as a raw material for preparing certain fluoride crystals. In agriculture, it can also be used as an ingredient in insecticides to prevent and control crop pests.
1. Aluminum industry: It is a key flux in aluminum electrolysis production. It can lower the melting point of alumina, allowing it to melt and electrolyze at lower temperatures (about 950-970 ℃), thereby reducing energy consumption during the electrolysis process. At the same time, it can also improve the conductivity of electrolytes, enhance the efficiency of electrolytic reactions, increase the yield and quality of aluminum, and reduce production costs.
2. Glass industry: can be used as a light blocking agent and opalescent agent in glass production. Adding sodium fluoroaluminate can give glass good light blocking and milky effect, and is commonly used in the production of special glass products such as milky white glass and opaque glass. In addition, it can reduce the surface tension of glass, improve the formability of glass, and facilitate the processing and manufacturing of glass.
3. Enamel industry: It is one of the important components of enamel glaze. It can lower the melting point of enamel glaze, promote the uniform spreading and adhesion of glaze on the metal surface, improve the adhesion and glossiness of enamel, and make enamel products have better corrosion resistance and decorative properties.
4. Casting industry: It can be used as a flux and refining agent in casting processes. It can help remove impurities and gases from aluminum and aluminum alloy melts, improve the purity of the melt, enhance the casting performance of aluminum alloys, reduce casting defects, and improve the quality and performance of castings.
5. Other fields: In the production of some electronic materials, sodium fluoroaluminate can be used as a raw material for preparing certain fluoride crystals. In agriculture, it can also be used as an ingredient in insecticides to prevent and control crop pests.
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