Alumina Ceramic Foam Filters are porous, high-temperature-resistant materials made from aluminum oxide (Al₂O₃). They are widely used in the metal casting industry to filter molten metals, removing impurities and improving the quality of cast products. Alumina (aluminum oxide) is a ceramic material known for its excellent thermal stability, chemical resistance, and mechanical strength, making it ideal for demanding applications in foundries and metal processing.

Key Features of Alumina Ceramic Foam Filters

1. High-Temperature Resistance:

• Alumina ceramic foam filters can withstand extreme temperatures, making them suitable for filtering molten metals such as aluminum, copper, iron, and steel.

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2. Chemical Inertness:

• Alumina is chemically stable and does not react with molten metals or slag, ensuring consistent performance.

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3. Thermal Shock Resistance:

• These filters can endure rapid temperature changes without cracking or breaking, which is critical in metal casting processes.

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4. High Porosity and Surface Area:

• The foam structure provides a large surface area for effective filtration, capturing impurities like oxides, inclusions, and particulates.

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5. Mechanical Strength:

• Alumina filters maintain their structural integrity under the pressure and flow of molten metal.

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6. Customizable Pore Size:

• Filters are available in various pore sizes (measured in pores per inch, PPI) to suit different metal casting requirements.

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Applications of Alumina Ceramic Foam Filters

1. Aluminum Casting:

• Widely used in aluminum foundries to remove impurities, improve metal quality, and reduce defects in castings.

2. Iron and Steel Casting:

• Used in ferrous metal casting to enhance the purity and mechanical properties of the final product.

3. Copper and Copper Alloy Casting:

• Effective in filtering non-ferrous metals like copper and its alloys.

4. Investment Casting:

• Used in precision casting processes to produce high-quality, defect-free components.

5. Continuous Casting:

• Employed in steel production to improve the quality of continuously cast billets, slabs, and other products.

Technique Data of Alumina Ceramic Foam Filter: