Globa Elements Solutions
Globa Elements Solutions
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| Catalog No. | alu2323 |
|---|---|
| Size | 7", 9", 12", 15", 17", 20", 23" |
| Compositions | Al2O3 85% |
| Working Temperature | ≤1200°C |
| Pores Per Inch | 10-60 |
Alumina foam filter is a type of advanced filtration material made from alumina (Al₂O₃), a high-performance ceramic known for its high melting point, hardness, chemical stability, and resistance to wear. Alumina foam filters are used primarily in metal casting, particularly for filtering molten metals, to remove impurities, inclusions, and other unwanted materials that may affect the quality of the final product.
These filters are typically made by combining alumina particles with a foam structure, resulting in a material that has both a high surface area and good mechanical strength, allowing it to perform effectively in high-temperature, high-pressure, and chemically aggressive environments.
Metal Casting: Alumina foam filters are primarily used in the foundry industry to filter molten metals like aluminum, copper, and brass. They remove impurities, oxides, and other inclusions that could negatively impact the quality of castings, improving the material properties and surface finish of the final product.
Aluminum and Steel Industry: In the aluminum industry, alumina foam filters are used in processes such as die casting, sand casting, and investment casting, where removing impurities from molten metal is critical to achieving high-quality parts.
Foundry and Alloying: Alumina foam filters are used in various foundry applications to improve the purity of cast alloys by filtering out solid inclusions, ensuring smoother and more consistent castings.
Precious Metal Casting: These filters are also employed in the casting of precious metals like gold and silver, ensuring that the cast products are free from contaminants that could reduce their value and quality.
High-Temperature Filtration: Due to their ability to withstand high temperatures, alumina foam filters are also used in applications that require the filtration of high-temperature gases and liquids, such as in industrial reactors or exhaust systems.
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