High-Purity Alumina Ceramic Foam Filters

• High Purity Material – Manufactured from premium-grade alumina, ensuring consistent quality as a reliable high purity alumina foam filter supplier for industrial casting applications.
   
• Excellent Filtration Efficiency – Effectively removes inclusions and impurities from molten metals, improving casting quality and surface finish.
   
• High Temperature Resistance – Withstands extreme temperatures during aluminum, iron, and other non-ferrous metal filtration processes.
   
• Uniform Porous Structure – Open-cell foam design ensures controlled flow rate and efficient metal filtration.
   
• Superior Thermal Shock Resistance – Performs reliably under rapid heating and cooling conditions.
   
• Chemical & Corrosion Resistant – Resistant to molten metal reactions and harsh foundry environments for long service life.
   
• Improves Casting Performance – Reduces defects, enhances mechanical properties, and increases yield in metal casting operations.
   
• Consistent & Customizable Sizes – Available in multiple pore sizes (PPI) and dimensions to meet specific industrial requirements.

Feature	Details
Product Name	Alumina Ceramic Foam Filters
Material	High Purity Aluminum Oxide (Al₂O₃) Ceramic Foam
Target Application	High purity alumina foam filter supplier for molten metal filtration and casting industries
Purity	85% – 99% Al₂O₃ (grade dependent)
Porosity	70% – 90% Open Cell Structure
Pore Density (PPI)	10 – 60 Pores Per Inch (customizable)
Bulk Density	0.3 – 0.8 g/cm³
Maximum Operating Temperature	Up to 1600°C
Thermal Shock Resistance	Excellent – Suitable for molten metal contact
Compressive Strength	High strength-to-weight ratio
Shape	Square / Round / Custom Shapes
Color	White / Off-white
Applications	Molten aluminum filtration, Foundry casting, Metal purification, Removal of non-metallic inclusions
Storage	Store in a dry environment; avoid moisture and mechanical damage

1. What are alumina ceramic foam filters?
Alumina ceramic foam filters are porous ceramic materials made from high-purity aluminum oxide (Al₂O₃). They are designed to remove impurities and inclusions from molten metals during casting processes.

2. Who is a reliable high purity alumina foam filter supplier?
A reliable high purity alumina foam filter supplier provides certified Al₂O₃ content (typically 85%–99%), consistent pore structure, customized sizes, and quality control for foundry and metallurgical applications.

3. What are the main applications of alumina ceramic foam filters?
They are widely used in aluminum casting, copper casting, iron casting, and other non-ferrous metal filtration processes to improve metal purity and casting quality.

4. What pore sizes (PPI) are available?
Common pore sizes range from 10 PPI to 60 PPI, depending on the required filtration efficiency and metal flow rate.

5. What are the advantages of high purity alumina foam filters?
They offer excellent thermal shock resistance, high refractoriness, chemical stability, uniform pore distribution, and improved casting surface finish.