Alumina Foam Filter

Name: Alumina Foam Filter
Brand: M-Kube
SKU: 2324
Availability: InStock
Rating: 5 (1 reviews)

Categories: Alumina, Ceramic Consumables

Product Description

Alumina Foam Filters – High-Efficiency Al₂O₃ Ceramic Filters for Casting

M-Kube supplies premium-quality alumina ceramic foam filters across Australia, designed for molten metal filtration in foundries and casting industries. Made from high-purity Al₂O₃ (alumina), these filters provide excellent thermal shock resistance, chemical stability, and high filtration efficiency for cleaner castings.

Whether you need an alumina foam filter for casting or a reliable alumina foam filter supplier, M-Kube delivers alumina porous ceramic foam filters engineered for durability and precision performance.

Key Features of Alumina Ceramic Foam Filters

Made from high-purity Al₂O₃ for excellent chemical stability
Withstands extreme temperatures during molten metal casting
High porosity structure for superior filtration efficiency
Removes inclusions and impurities for improved casting quality
Available in multiple sizes and pore densities to suit application needs
Ideal for ferrous and non-ferrous metal casting industries

Technical Specifications: Alumina Foam Filters

Property	Specification
Material	High-Purity Alumina
Pore Size (PPI – pores per inch)	10, 20, 30, 40, 50 (custom options available)
Bulk Density	0.35 – 0.50 g/cm³
Compressive Strength	≥ 1.0 MPa (varies with PPI and size)
Maximum Operating Temperature	1350 – 1800°C
Thermal Shock Resistance	Excellent
Filtration Efficiency	High
Shape & Sizes	Square, round, or custom

Applications of Alumina Foam Filters

Our alumina foam filters are widely used in:

Metal Casting – filtration of aluminium, copper, and other non-ferrous alloys
Foundries – to improve molten metal purity and reduce casting defects
Industrial Metallurgy – ensuring smooth flow and enhanced mechanical properties
Precision Casting – where high-quality surface finish and strength are required

Why Choose M-Kube – Alumina Foam Filter Supplier in Australia?

Trusted supplier of alumina ceramic foam filters for casting industries
Expertise in alumina porous ceramic filter design and supply
Competitive pricing with options to buy alumina foam filters online
Reliable supply chain with fast Australia-wide delivery
Backed by technical support for industrial applications

At M-Kube, all our ceramic and refractory products are manufactured in ISO-certified facilities with the capability to meet and comply with ASTM, ISO, and other international standards. This ensures every product delivers consistent quality, reliability, and performance, whether you require standard parts or fully customized solutions.

Buy Alumina Foam Filters in Australia – Request a Quote

Looking for alumina foam filters for casting or high-performance Al₂O₃ ceramic foam filters? M-Kube supplies durable, high-quality alumina ceramic filters tailored to foundry and casting applications.

📞 Call +61-478-594-746
📧 Email info@mkube.com.au

For expert advice or to discuss your alumina foam filter requirements, contact M-Kube today.

Product FAQ's

Are there different grades of ceramic foam filters for steel, iron, and aluminum casting?

Yes:

Alumina foam filter: For aluminum and copper alloys.
Zirconia foam filter: For steel and superalloys.
Silicon carbide foam filter: For ductile iron and grey iron.
Choosing the correct grade ensures maximum efficiency and lifespan.

How do I choose the right pore size of alumina foam filter for aluminum casting?

The correct pore size (measured in PPI – pores per inch) depends on casting type and alloy:

10–20 PPI: Suitable for large castings requiring higher flow rate.
30–40 PPI: Used for precision castings where defect control is critical.
50+ PPI: High-performance filtration for thin-wall castings.
Always consult your alumina foam filter supplier for application-specific recommendations.

Is an Al2O3 foam filter reusable or is it single-use only in foundry applications?

An Al2O3 foam filter is designed as a single-use product in most industrial casting operations. Reuse is not recommended because once exposed to molten aluminum, the filter’s pores become clogged with inclusions, which compromises filtration efficiency and could introduce new defects.

What should I check before selecting an alumina foam filter supplier for foundries?

Key criteria include:

Proven experience in foundry supplies.
Certifications like ISO 9001, SGS, or CE.
Ability to provide custom sizes and PPI ratings.
Transparent delivery timelines and MOQ (minimum order quantity).
Availability of technical support for casting optimization.

Why is an alumina ceramic filter preferred for aluminum alloy casting processes?

Because alumina ceramic has excellent wettability with aluminum, it effectively removes oxide films, slag, and other impurities. This results in:

Better metallurgical structure
Higher yield strength and ductility
Reduced machining costs
Hence, an alumina ceramic filter is widely used in aluminum alloy foundries and die-casting plants.

How do I calculate the right size of alumina foam filter for my casting system?

Filter size is determined by:

Metal flow rate required.
Cross-sectional area of the gating system.
Recommended design is 2–4 times the gating area to avoid choke points.
Suppliers often provide flow simulation charts to help foundries select the right size.

How does an alumina foam filter reduce casting defects like inclusions and porosity?

The 3D porous structure of the alumina foam filter traps non-metallic inclusions, slag, and oxides. This filtration reduces:

Gas porosity
Inclusions and slag defects
Cold shuts and cracks
Leading to higher casting integrity and reduced scrap rate.

How much does an alumina foam filter for casting cost and what factors affect the price?

The price of alumina foam filters depends on:

Size and thickness
PPI rating (filtration fineness)
Order quantity
Supplier origin (domestic vs. import)
Typically, bulk orders from an alumina foam filter supplier reduce per-unit costs.