Ceramic Foam Filters
Ceramic Foam filters are just developed as a new type molten metal filter to decrease casting flaw in recent years. With its characteristics of light-weight, high mechanical strength, large specific surface areas, high porosity, excellent thermal shock resistance, erode resistance, high-performance, competitively priced, ceramic foam filter is designed for filtering impurities from liquid metals.
Our ceramic foam filters are available in four materials: alumina, for use with aluminum and aluminum alloys; zirconia, for use with stainless steels and nickel alloys; silicon carbide, for use with grey iron, ductile iron, precious metals, copper, bronze, brass and investment casting; and Magnesia,for use with magnesium alloy.
All of the materials are available in square, round and custom geometric shapes; sizes ranging from 10mm up to 600mm, and thicknesses from 10-50mm. Pore densities from 8-40 pores per inch are available.
1. Silicon Carbide Ceramic Foam Filters For Iron Casting :
Apply to improve quality of nodular graphite iron castings, grey iron castings, tenacity iron
castings, drop turbulent of iron solution at feeder mouth. It can bear seamy environment in the process of molding.
- Purge iron solution
- Improve quality of iron casting
- Reduce foreign residue of iron casting
- Stabilize time of molding
Technical Data
Bore Density (PPi)/pp: 4-60
Porosity (%): 80-90
Refractoriness: 1500
Bending Strength (Mpa): 0.8
Compression Strength (Mpa): 0.9
Thermal Shock Resistance: 6
2. Alumina Ceramic Foam Filters :
Apply to improve quality of alumina alloy casting and other non-ferrous alloy casting.
- Mend structure of crystalloid
- Improve function of machine
- Commutated function
Technical Data
Bore Density (PPi)/pp 4-60
Porosity (%) 80-90
Refractoriness 1100
Bending Strength (Mpa) 0.6
Compression Strength (Mpa) 0.8
Thermal Shock Resistance 6
3. Magnesia Ceramic Foam Filters :
Due to magnesium alloy is vivacious than other nonferrous metal, magnesium alloy solution can easily react with the main-material of ceramic foam filter and liquate rapidly ceramic filter, Magnesia Ceramic Foam Filter which is being researched and developed is applying to purge magnesium alloy and falling in the gaps of domestic market.
- Purge solution of magnesium alloy
- Improve inner quality of magnesium alloy
Technical Data
Bore Density (PPi)/pp 4-60
Porosity (%) 80-90
Refractoriness 1100
Bending Strength (Mpa) 0.6
Compression Strength (Mpa) 0.8
Thermal Shock Resistance 6
4. Zirconia Ceramic Foam Filters :
Apply to purge solution of carbon steel, steel alloy and stainless steel, it can endure require of
technology of steel and get rid of foreign matter and materials of corroded model. It can also drop turulent and reduce twice oxided foreign matter.
- Purge solution steel casting
- Improve accepted rate of steel casting
- Reduce foreign matter of steel casting
- Drop twice oxided flaw
- Reduce second-face flaw after machine process
Technical Data
Bore Density (PPi)/pp: 4-60
Porosity (%): 80-90
Refractoriness: 1700
Bending Strength (Mpa): 0.8-1.0
Compression Strength (Mpa): 1.0-1.2
Thermal Shock Resistance: 6
