Overview of 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI

3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI 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 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI

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.

(3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI)

Specification of 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI

These alumina foam ceramic filters tidy fluid steel during spreading. They eliminate impurities like slag and oxides. This makes better quality spreadings with less issues. The filters can be found in many dimensions to fit different molds and processes. We offer diameters from 3 inches approximately 23 inches. Common dimensions are 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, and 23 inches. You pick the dimension required for your certain application.

The filter’s pore dimension matters as well. This is determined in Pores Per Inch (PPI). Greater PPI implies smaller pores. Smaller pores catch finer contaminations. We make filters in 10, 20, 30, 40, 50, and 60 PPI. Select the PPI based upon the metal you utilize and the sanitation degree you require. Thinner steels often require finer filters like 40, 50, or 60 PPI.

The material is pure alumina, Al2O3. This ceramic is very solid. It handles extreme warmth well. It won’t split or break conveniently in molten metal. It stands up to thermal shock when the hot metal strikes it. Alumina additionally stands up to chemical attack from most steels and slags. This suggests the filter works accurately without adding brand-new contaminants.

These filters boost metal circulation. They quit turbulence. This reduces air getting caught in the metal. The result is smoother castings. You obtain fewer openings and splits. Utilizing these filters conserves cash. You have much less scrap steel. You spend less dealing with spreading troubles later on. They are necessary for making high-precision parts. Industries like automotive and aerospace rely upon them.

(3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI)

Applications of 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI

Alumina foam ceramic filters can be found in numerous dimensions. We provide 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, and 23-inch diameters. Pore dimensions are 10, 20, 30, 40, 50, or 60 PPI. These filters are made from Al2O3. They trap impurities in liquified steel. This is crucial for tidy castings. Contaminations trigger defects. Filters remove oxides, slag, and various other incorporations.

Various metals need different filters. Light weight aluminum foundries make use of these filters typically. Steel plants use them as well. Copper and brass manufacturers depend on them. The pore dimension issues. Use 10-20 PPI for crude filtering. This functions well for larger inclusions. Use 30-40 PPI for tool filtering. This is common for many aluminum alloys. Usage 50-60 PPI for fine filtering system. This catches little bits. It’s vital for top notch aerospace or automobile components.

The filter size matches your mold and mildew. Bigger spreadings need bigger filters. A 23-inch filter matches huge steel ingots. A 3-inch filter fits little accuracy parts. The alumina product holds up against extreme warmth. It deals with aggressive molten metals. It doesn’t react chemically. This keeps the metal pure.

Making use of these filters enhances metal high quality. Cleanser steel implies less spreading declines. You obtain more powerful end products. Surface finish improves. Machining becomes less complicated. This saves money. It lowers waste. Production effectiveness rises. Filters are placed in the gating system. Steel streams via them before the mold cavity. They act like a sieve. Just tidy metal travels through.

Choose the PPI based upon your metal and quality objectives. Choose the diameter based upon your casting dimension. Alumina foam filters are vital for contemporary metal spreading. They make certain trustworthy, high-performance outcomes throughout numerous markets.

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 3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI

What are alumina foam ceramic filters?
They are porous blocks made from aluminum oxide. You place them in metal casting systems. They catch impurities in molten metal. This results in cleaner, higher-quality castings.

What sizes do you offer?
We stock filters from 3 inches up to 23 inches. Common sizes include 3″, 4″, 5″, 6″, 7″, 8″, 9″, 12″, 15″, 17″, 20″, and 23″. Pick the size matching your mold’s sprue or gating.

What does PPI mean?
PPI stands for Pores Per Inch. It measures filter density. Higher PPI means finer pores. We offer 10, 20, 30, 40, 50, and 60 PPI filters. Choose finer PPI (40-60) for small inclusions. Use coarser PPI (10-30) for faster flow rates.

Why use alumina (Al2O3)?
Alumina handles extreme heat well. It resists thermal shock. It withstands corrosion from molten metals. This includes aluminum, iron, copper, and alloys. Alumina filters last longer than alternatives.

How do I use them?
Install the filter dry in your gating system. Preheat it first. This prevents cracking from sudden heat. Place it securely. Molten metal flows through it. The filter traps slag, oxides, and other debris. Replace the filter for each casting pour.

(3, 4, 5, 6, 7, 8, 9, 12, 15, 17, 20, 23 Inch Alumina (Al2O3) Foam Ceramic Filter 10/20/30/40/50/60PPI)