
Al Ceramic Foam Filter
The Alumina Ceramic Foam Filter is engineered for efficient purification of molten aluminum and its alloys. Its unique three-dimensional network structure effectively captures micron-sized inclusions, leading to significantly cleaner metal, reduced casting defects, and improved mechanical properties of the final products.
Product Overview & Core Advantages
Enhance Casting Quality and Reduce Rejection Rate - Premium Al Filter from a Professional Manufacturer.
The Alumina Ceramic Foam Filter is engineered for efficient purification of molten aluminum and its alloys. Its unique three-dimensional network structure effectively captures micron-sized inclusions, leading to significantly cleaner metal, reduced casting defects, and improved mechanical properties of the final products.

Core Advantages
Effective Filtration
Efficiently removes inclusions from molten aluminum, resulting in a high filtration rate.
High-Temperature Resistance
Offers excellent resistance to corrosion and attack by molten aluminum, ensuring stable performance at high temperatures up to 1200°C.
Promotes Laminar Flow
Helps transform turbulent metal flow into a smooth, laminar stream, reducing oxidation and slag entrainment for superior casting quality.
|
Type Items |
Materials |
Compressive Strength (MPa) |
Porosity (%) |
Bulk Density (g/cm3) |
Applied Temp (≤ ℃) |
|
DT-1 |
Al2O3 |
≥0.8 |
80--90 |
0.35-0.55 |
1200 |
Product Details & Specifications
|
Parameter |
Specification |
|
Product Model |
D80X20 |
|
Material |
Alumina (Al2O3) |
|
Pore Density |
15 PPI (Pores Per Inch) |
|
Dimensions |
80 mm (Diameter) × 20 mm (Thickness) |
|
Working Temperature |
≤ 1200°C |
|
Cold Crushing Strength |
≥ 1.0 MPa |
|
Porosity |
80% - 90% |
|
Bulk Density |
≤ 0.5 g/cm³ |
Size Available
|
Size (mm) |
Melt speed (kg/min) |
PPI |
Gasket |
|
305*305*50 |
90-170 |
10-70 |
Normal cotton/expantable/ceramic fiber paper |
|
381*381*50 |
147-280 |
10-70 |
Normal cotton/expantable/ceramic fiber paper |
|
432*432*50 |
193-367 |
10-70 |
Normal cotton/expantable/ceramic fiber paper |
|
508*508*50 |
274-521 |
10-70 |
Normal cotton/expantable/ceramic fiber paper |
|
584*584*50 |
369-700 |
10-70 |
Normal cotton/expantable/ceramic fiber paper |
|
Note: Other sizes Round, Square and Rectangle can be customized as buyer's requirements. |
|||



Product Features & Working Principle
Unique 3D Structure
Provides a large surface area for efficient impurity removal through mechanisms like mechanical screening and deep-bed adsorption.
Excellent Thermal Shock Resistance
Capable of withstanding the thermal shock encountered during molten metal pouring.
Flow Stabilization
Promotes laminar flow of metal, ensuring a smoother fill of the mold cavity.
Application Fields & Usage Guide
Application Fields
Widely used in the casting of aluminum and aluminum alloys for products such as aluminum plates, foils, billets, automotive parts, and aerospace components.
Usage Guide
• Placement: Typically installed horizontally in the runner system of the casting mold.
• Selection: Choose the appropriate filter size based on casting weight and desired pouring rate.
• Precautions: Avoid direct flame impingement during preheating and impact from the metal stream during pouring.
Company Introduction

Shanxi Ding Tai Yin Rui Filter Manufacturing Co., Ltd. is a professional manufacturer specializing in foundry filtration solutions. Our product range includes Silicon Carbide Ceramic Foam Filters, Zirconia Ceramic Foam Filters, Alumina Ceramic Foam Filters, High-Silica Oxygen Glass Fiber Mesh, and Feeders (Risers).
With a factory area of over 10,000 square meters, we have extensive experience in producing high-quality filters exported to the USA, Mexico, Turkey, India, South Korea, and many other countries. We are committed to providing reliable products and technical support to our global clients.



We are committed to providing high-quality products, supported by pre-sales technical guidance and comprehensive after-sales service.
Service & Transaction Terms






After-Sales Service
Pre-sales technical guidance and after-sales support are available. Products with quality issues are eligible for replacement or return.
Sample Policy
Within 20pcs of samples for free. The customer is responsible for the shipping cost.

Shipping Information
Minimum Order Quantity (MOQ): 1 box (288 pieces).
Production Lead Time: Within 5 days after order confirmation.
Packaging: PIndividually wrapped, carton with inner support, and reinforced with wooden pallets for safe transport.
Payment Terms
T/T (Telegraphic Transfer), L/C (Letter of Credit) are accepted.
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