Overview of Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry

Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry 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 Ceramic Filter Al2o3 Foam Filter For Metal Foundry

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 Ceramic Filter Al2o3 Foam Filter For Metal Foundry)

Specification of Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry

Alumina ceramic foam filters clean molten steel. They get rid of pollutants. This enhances casting high quality. These filters make use of Al2O3, alumina. Alumina handles extreme heat quite possibly. It remains solid in fluid metal.

The filter appears like a sponge. It has lots of linked holes. Steel streams with these openings. Dirt and slag get trapped inside. The filter catches oxides, sand, and other scrap. Cleaner metal implies fewer casting defects. You obtain fewer busted parts later on. Scrap prices decrease.

Filters are available in various pore dimensions. Pore dimension is determined in PPI. PPI implies pores per inch. Greater PPI suggests smaller openings. Typical sizes are 10 PPI, 20 PPI, and 30 PPI. Pick the PPI based on your steel and needs. Better filtration requires higher PPI. Thicker metal needs reduced PPI sometimes.

Criterion filter forms are rounded or square. Typical sizes fit most furnaces and runners. Thickness is normally around 1 inch. Custom sizes are possible. The material stands up to temperatures over 1700 ° C. It works for light weight aluminum, iron, copper, and steel. It survives the rough foundry atmosphere.

Using these filters conserves money. Less metal is lost as slag. Item high quality becomes much more constant. Machining time reduces after casting. Surface finish boosts dramatically. Castings gain strength and integrity.

(Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry)

Applications of Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry

Molten steel includes contaminations. These pollutants hurt spreadings. Issues occur. Turns down boost. Expenses climb. Alumina ceramic foam filters fix this problem. They are made from Al2O3. This product handles extreme warm extremely well. It endures liquified light weight aluminum, iron, copper alloys. The filter structure is open-cell foam. This produces lots of interconnected pores. Molten steel moves with these channels. Solid impurities get trapped inside the foam network. Damaging particles are captured. Cleaner steel spurts. This cleaner metal fills up mold and mildews better. Fewer issues develop. Casting top quality boosts substantially. Decline prices drop. Factories save money.

These filters are solid. They stand up to thermal shock. Temperature adjustments don’t crack them quickly. They use great chemical security. The molten metal doesn’t react severely with the Al2O3. Filters come in various sizes. Different pore thickness are readily available as well. You select based upon your steel kind. You select based on your casting needs. Correct handling matters. Preheat the filter slowly. Put it properly in the filter box. Guarantee a limited fit in eviction system. This protects against steel bypass. It optimizes contamination capture. Making use of alumina foam filters is clever. It leads to much better spreadings. It decreases waste. It cuts manufacturing expenses. Steel shops see genuine benefits.

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 Ceramic Filter Al2o3 Foam Filter For Metal Foundry

Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry: Key Questions Answered

What is an alumina ceramic foam filter?
This filter is a special porous block. It is made from aluminum oxide (Al2O3). The structure looks like foam. It has many connected holes. Foundries put this block in the metal flow path. Molten metal passes through it before casting.

Why use this filter in metal casting?
Molten metal often contains solid impurities. These impurities harm the final casting quality. The filter catches these particles. Clean metal flows into the mold. This reduces defects significantly. Castings become stronger. Surface finish improves. Reject rates drop.

How does the filter remove impurities?
The filter has tiny pores. These pores form a complex network. Solid particles get trapped inside this network. The filter material itself is inert. It does not react with most molten metals. It also withstands extreme heat. Metal flows through smoothly. Dirt stays behind.

What sizes and pore densities are available?
Filters come in many standard sizes. Common shapes are square or round. Thickness varies. Pore density is critical. It is measured in pores per inch (PPI). Standard PPI options are 10, 20, 30, 40, 50, 60, 80. Lower PPI means larger pores. Higher PPI means finer filtration. Choose based on your metal type and cleanliness needs.

How do you handle and use these filters?
Handle filters carefully before use. They are brittle. Dry them thoroughly before preheating. Preheat the filter slowly. Put it in the filter box in the gating system. Ensure a tight fit. Prevent metal from flowing around it. The filter works best when fully immersed. Replace the filter for each casting pour.

(Alumina Ceramic Filter Al2o3 Foam Filter For Metal Foundry)