Description
Alumina foam ceramic filter plate with expandable gasket for aluminum casting
alumina foam ceramic filter plate with expandable gasket for aluminum casting is a kind of porous material with high temperature characteristics.
Alumina ceramic filter plate
Foam ceramic filter has the advantages of good thermal shock resistance, high porosity, high strength, good heat shock resistance, and can withstand large flow molten iron filtration. It can be used for cast steel, which can greatly reduce defects such as sand holes, slag holes, pores, inclusions, etc., improve the surface quality of castings, improve machining performance, and improve mechanical properties.
Product features:
Mechanical interception: remove large particles of mixed oxides
Filter cake function: filter small particles of mixed oxides
Deep adsorption: adsorb fine inclusions
Rectification function: turbulent flow → laminar flow, prevent eddy current formation
Avoid the involvement of bubbles, ease impact, and reduce sand falling
Product types and applicable industries:
Alumina foam ceramic filter Aluminum alloy and other non-ferrous alloy melt filtration
Silicon carbide foam ceramic filter Ductile iron, malleable cast iron, gray iron and other cast iron parts filtration
Zirconium oxide foam ceramic filter Steel, alloy steel, stainless steel and other high-temperature metal melt filtration
7″, 9″, 12″, 15″, 17″, 20″, and 23″, with porosities from PPI 10 to PPI 60(PPI ie pores per inch).
Other special sizes could be produced on request.
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Dimensions(mm)
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Dimensions (inch)
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Pouring Rate (kg/s)
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Filtration Capacity (ton)
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178×178×50
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7×7×2
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0.2-0.6
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5
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228×228×50
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9×9×2
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0.3-1.0
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10
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305×305×50
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12×12×2
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0.8-2.5
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15
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381×381×50
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15×15×2
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2.2-4.5
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25
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430×430×50
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17×17×2
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3.0-5.5
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35
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508×508×50
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20×20×2
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4.0-6.5
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45
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585×585×50
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23×23×2
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5.0-8.6
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60
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Technical data of alumina foam filters
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Material
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ZrO2
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SIC
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Al2O3
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Color
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Yellow
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Gray
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White
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Pore Density (ppi)
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10-60
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10-60
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10-60
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Porosity(%)
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80-90
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80-90
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80-90
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Operating Temperature (ºC)
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1700
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1500
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1100
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Compression Strength (MPa)
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1.2
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0.9
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0.8
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Density (g/cm3)
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0.90-1.50
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0.35-0.50
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0.30-0.45
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Thermal Shock Resistance (1100-20ºC)
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>6 times
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>6 times
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>6 times
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Application
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Steel
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Iron
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Non-Ferrous Alloy and Aluminium
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Feature
Up to 1000C for porous ceramic, limited only by sealants, gaskets and/or hardware materials.
Porous ceramics are resistant to most acids, except for Phosphoric Acid. In alkaline solutions, porous ceramics are resistant up to pH9. It is also resistant to organic solvents. The sealants, gaskets and/or hardware materials used, may be the limiting factor in certain fluids.
Porous ceramic is cleanable by a variety of methods, depending on type of contaminant to be removed. Methods include spraying, brushing, backwashing, oven firing, dilute acid cleaning, solvent cleaning, steam cleaning and ultrasonic cleaning.
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