Sodium Cryolite, with the chemical formula Na3AlF6

Sodium Cryolite, with the chemical formula Na3AlF6 and CAS number 13775-53-6, is a synthetic compound known for its various industrial applications. Here's a detailed description of the product:

1. Physical and Chemical Properties: Sodium Cryolite is a white, gray, or pink powder or granular crystal. It is slightly soluble in water, and its aqueous solution is acidic. It has a relative density of 2.9-3.0 and melts at approximately 1000°C. Due to impurities, it may appear off-white, pompadour, straw yellow, or black .

2. Applications: It is primarily used as a flux in aluminum smelting, enhancing the efficiency of the electrolytic process. Additionally, it serves as a flux and whiting agent in enamel glazes, a component in the manufacturing of milky white glass, aluminum alloys, and boiling steel. Sodium Cryolite is also used as an ingredient in grinding wheels and as a cropper insecticide .

3. Manufacturing and Customization: Produced synthetically, Sodium Cryolite can be customized to meet specific user needs. Jiaozuo Jinshengwei Fluoride Chemical Co., Ltd offers multiple production lines for cryolite in powder, sand, and granular forms, with an annual output of 30,000 tons for synthetic cryolite and 20,000 tons for potassium cryolite .

4. Packaging: Sodium Cryolite is typically packed in laminated plastic woven bags lined with plastic film bags, with options for 25kg/50kg/1000kg bags or according to customer requirements .

5. Quality Specifications: The product is available in different grades with varying concentrations of Fluorine (F), Aluminum (Al), Sodium (Na), Silicon Oxide (SiO2), Ferric Oxide (Fe2O3), Sulfate (SO42-), Calcium Oxide (CaO), Phosphorus Pentoxide (P2O5), and Water (H2O). The product also has specifications for Loss on Ignition (L.O.I) at 550°C .

Sodium Cryolite is an essential industrial chemical with a wide range of applications, particularly in the aluminum industry and as an abrasive. Its production and customization capabilities make it a versatile product that can be tailored to specific industrial needs.