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Round Square Foundry Alumina Ceramic Foam Filter 80-90% Porosity

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Round Square Foundry Alumina Ceramic Foam Filter 80-90% Porosity

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Brand Name :	ZG
Model Number :	MS
Certification :	CE
Price :	USD10/piece
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	10000 pieces per month
Delivery Time :	3 working days

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Round Square Foundry Alumina Ceramic Foam Filter 80-90% Porosity

Porous aluminum oxide foundry foam ceramic filter

Aluminum oxide foundry foam ceramic filter for filtration of cast iron and non-ferrous alloys

To obtain good quality metal castings the minimum content of foreign impurities in the metal is important.

Ceramic filters solve two main problems:

removal of solid particles from the melt;
elimination of flow turbulence, which due to oxidation of the metal can become a source of inclusions in the castings.

Chemical Composition of 17%AL2O3 Inert Alumina Ceramic Ball - Catalyst Support Media
Working	≤1200°C
Porosity	80~90%
Compression Strength (Room Temperature)	≥1.0Mpa
Volume Density	≤0.5g/cm3
Thermal Shock Resistance	800°C---room temperature 5 times
Application	non-ferrous and alumina alloys, high temperature gasfilter, chemical fillings and catalysis carrier etc.

Chemical Composition of 17%AL2O3 Inert Alumina Ceramic Ball - Catalyst Support Media
Al2O3	80~82%	SiC	---
SiO2	5~6%	ZrO2	---
Others	12~15%

Pouring Rate and Filtration Capacity
Dimensions(mm)	Dimensions(inch)	Pouring Rate(kg/s)	Filtration Capacity(ton)
178x178x50	7x7x2	0.2-0.6	5
228x228x50	9x9x2	0.3-1.0	10
305x305x50	12x12x2	0.8-2.5	15
381x381x50	15x15x2	2.2-4.5	25
430x430x50	17x17x2	3.0-5.5	35
508x508x50	20x20x2	4.0-6.5	45
585x585x50	23x23x2	5.0-8.6	60

Non-metallic inclusions in molded products reduce strength, ductility, resistance to creep and corrosion, fatigue strength and wear resistance. Large inclusions increase the risk of destruction. They can influence the fluidity and casting properties of the melt. Inclusions can get into the melt in the melting pot as a result of the erosion of refractory materials or the ingress of slag particles. Sometimes oxidation, sulfidation or other reactions can lead to the formation of foreign particles in the melt.

Materials:

Aluminum oxide (Al2O3);
Zirconia (ZrO2);
Silicon carbide (SiC);
Various ceramic compositions.

Filter type	Ceramic Foam Filters			Extruded Filter
Filter Materials	Alumina	SiC	Zirconia	Cordierite-Mullite
Applications	Aluminum and aluminum alloy	Iron, Iron alloy, copper, bronze and brass	Steel, Stainless steel and alloy	Grey iron, ductile iron, aluminum alloy and other non-ferrous alloys
Volume Density (g/cm3)	0.4 - 0.5	0.3 - 0.5	0.7 - 1.0	0.8 - 1.2
Hole Density (ppi)	10 - 40	8-30	10-30	100 – 300
Open Porosity (%)	80 - 90	80 - 90	80 - 90	35 - 60
Maximum Working Temperature (°C)	1100	1500	1700	> 1500
Compressive Strength (MPa)	0.8	1	1.5	> 2
Bending Strength (MPa)	0.6	2.5	1
Thermal Shock Resistance (times from1100°C to room temperature)	6	6	3	5

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