Overview of Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters

Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters is advanced porous structures made from high-purity aluminum oxide (Al₂O₃). Designed for molten metal filtration, they effectively remove slag, oxides, and non-metallic inclusions, ensuring cleaner and higher-quality castings in aluminum, iron, steel, and other metal alloys.

Key Features of Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters

High-Temperature Resistance – Stable up to 1700°C, ideal for molten metal applications.

Uniform Porosity (10-100 PPI) – Customizable pore sizes for efficient impurity removal.

Excellent Thermal Shock Resistance – Withstands rapid temperature changes without cracking.

High Mechanical Strength – Durable under extreme casting conditions.

Chemical Inertness – Resists corrosion from molten metals and fluxes.

(Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters)

Specification of Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters

Below’s the requirements for Alumina Factory Open Cell Foam Spreading Ceramic Foam Filters:

These filters are made from high-purity alumina ceramic. This material takes care of severe heat extremely well. It endures molten steel temperatures conveniently. The structure is open-cell foam. This means it has several linked pores. The pore size regulates what obtains strained. Common pore sizes vary from 10 to 30 PPI (pores per inch). You select the PPI based upon your metal alloy. Finer PPIs catch smaller inclusions.

Filters are available in standard forms. Rectangle-shaped and trapezoidal forms prevail. Sizes differ to fit different gating systems. Regular thicknesses are 17mm, 22mm, or 25mm. Length and size measurements are flexible. Common sizes are 50mm, 100mm, 150mm, 200mm. Common lengths are 100mm, 150mm, 200mm, 230mm. Custom-made sizes are available.

The main job is cleaning up liquified steel. The filter beings in the mold’s gating system. Molten steel moves with the foam structure. Strong contaminations get caught inside the pores. Cleanser steel fills up the spreading cavity. This results in less defects inside the last casting component. Typical flaws reduced consist of sand inclusions and oxide movies. Surface surface improves significantly.

Making use of these filters supplies key advantages. Casting return boosts since much less steel is junked. Machining costs often decrease. Item dependability boosts due to less interior defects. The filters are chemically secure. They withstand attack from most molten metals. They give consistent circulation control. This helps avoid disturbance throughout pouring. Less turbulence suggests less possibility of brand-new oxide formation.

(Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters)

Applications of Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters

Alumina foundry open cell foam spreading ceramic foam filters are important tools for metal spreading. They make cleaner, better metal components. These filters rest inside the mold and mildew or gating system. Molten steel streams through them during pouring. The open cell foam structure imitates a sponge. It catches strong impurities suspended in the fluid metal. Bits like oxides, slag, or sand get captured inside the filter’s network. Cleaner steel enters the mold and mildew tooth cavity. This straight improves the last casting.

Alumina ceramic is the key product. It holds up against severe temperature levels. Molten aluminum, copper alloys, even steel do not harm it. The ceramic will not respond with the metal. It remains steady throughout the brief contact time. This integrity is important for constant results.

Foundries use these filters widely. Aluminum foundries rely upon them greatly. Light weight aluminum conveniently develops harmful oxides during melting and putting. The filter eliminates these oxides properly. Copper alloy shops also profit. They filter out dross and other pollutants. Steel shops make use of unique high-temperature grades. They prevent inclusions from messing up pricey castings.

The benefits are clear. Cleaner steel means fewer issues in the finished part. You see much less porosity, less incorporations, much better surface coating. Casting yield improves. Less metal obtains junked because of quality issues. Machining costs typically reduce. The end product carries out much better and lasts longer. Utilizing these filters is a wise investment for any kind of serious factory going for top-notch.

Company Profile

Alumina Technology Co., Ltd,. We focus on the research and development, production and sales of alumina products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2005, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Alumina Boat, Alumina Crucible, Alumina Dish, Alumina Foam Filter, Alumina Plate, Alumina Rod, Alumina Bar, Alumina Balls, Filter Alumina, Nano Alumina Powder, Spherical Alumina Powder, ect. please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters

Here are 5 FAQs about Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters:

1. What are Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters?
These filters are special ceramic blocks. They are made from high-purity alumina oxide. The filters have a sponge-like structure full of open, connected pores. You place them directly in the molten metal path inside the foundry. They trap solid impurities.

2. Why use Alumina Foam Filters in metal casting?
Impurities hurt final metal part quality. They cause defects like cracks or weak spots. These filters catch those impurities. The result is cleaner, smoother metal. Better metal means stronger, more reliable cast parts. You get fewer rejects.

3. How do these foam filters actually clean the metal?
Molten metal flows through the filter’s tiny pore channels. Solid bits get trapped inside the filter structure. This happens through straining and deep bed filtration. The complex foam path catches even very small particles. Clean metal flows out the other side.

4. How do I pick the right filter pore size?
Pore size is measured in Pores Per Inch (PPI). Common sizes are 10 PPI, 20 PPI, 30 PPI. Bigger pores (lower PPI) handle fast flow but catch larger particles. Smaller pores (higher PPI) trap finer particles but slow the flow. Match the PPI to your metal type and the impurity size you need to remove. Get advice for your specific casting setup.

5. Where are Alumina Foam Filters used?
You use them mainly in foundries casting aluminum and aluminum alloys. They are placed in the gating system. Common spots are in the sprue, runner, or right before the mold cavity. They work with gravity casting, low-pressure casting, and some high-pressure die casting setups. They fit standard filter housings.

(Alumina Foundry Open Cell Foam Casting Ceramic Foam Filters)