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Ceramic foam filter is just developed as a new type of molten metal filters to decrease casting flaw in recent years. It is made from high quality ceramic materials, whose main components are Al2O3, Sic, ZrO2, MgO etc. Ceramic Foam Filter has the characters of light weight, high mechanical strength, large specific surface areas, high porosity, excellent thermal shock resistance, chemical corrosion resistance and high temperature stability in molten metal. With the distributing pores net structure, they are able to increase the surface areas, and absorb the sinter, the liquid metal becomes more pure, waster quality problems such as sand pore and air pore are much less and the cast quality becomes much better.
Alumina ceramic foam filter is mainly applied to the aluminum and aluminum alloys fusant filter equipment of continuous casting, half-continuous casting, gravity casting, and low pressure casting, also applied to other non-ferrous metal precision casting, gas-solid and liquid-solid separation medium, high temperature gas filter, chemical filling, sound absorbing material and catalysis carrier etc.
We can supply ceramic foam filters are as follows:
1. Silicon Carbide Ceramic Foam Filter is applied to purge and filter solution of ductile iron casting, grey iron and other iron casting.
2. Zirconia Ceramic Foam Filter is applied to purge and filter solution of steel high temperature metal such as steel alloy stainless steel etc.
3. Magnesia Ceramic Foam Filter is applied to purge and filter solution of magnesium and magnesium alloy.
4. Alumina Ceramic Foam Filter is applied to purge and filter solution of aluminium and aluminium alloys.
Ceramic foam filter:
*Material: Al2O3, Sic, ZrO2, MgO
*pore density: 10-60 PPI
*Variety of size, shape and bore density
| Type | Alumina CFF | Silicon carbide CFF | Zirconia CFF | Magnesia CFF | ||
| Material | Al2O3 | Sic | ZrO2 | MgO | ||
| Applied temperature | ≤1200celsius degree | ≤1500celsius degree | ≤1700celsius degree | ≤1100celsius degree | ||
| Color | White | Grey black | Yellow | Yellow | ||
| Bulk Density | 0.35~0.55g/cm3 | 0.45~0.65g/cm3 | 1~1.5g/cm3 | 0.5~0.7g/cm3 | ||
| Bore Density | 10~60PPI | 10~60PPI | 10~60PPI | 10-60ppi | ||
| Porosity | 80~90% | 80~90% | 80~90% | 80-90% | ||
| Bending Strength | 0.6Mpa | 0.8Mpa | 0.8-1.0Mpa | 0.6Mpa | ||
| Compression Strength | ≥0.8Mpa | ≥1.0Mpa | ≥1.5Mpa | ≥0.8Mpa | ||
| Thermal Shock Resistance | Not break after 6 times thermal shock testing | |||||
| (1100celsius degree ~ Room Temperature) | ||||||
| Application | Molten Aluminum and Alloy | Molten Iron and Alloy | Molten Stainless Steel, Alloy and other metal in precision molding | Molten magnesium and its alloys | ||
| Sizes (mm) | Quantity per carton (pcs/ctn) | Package size(cm) |
| 200*100*50 | 48 | 42*45*38 |
| 100*100*50 | 50 | 54.5*22*32 |
| 50*50*50 | 384 | 47*47*38 |
| 200*200*100 | 10 | 56*29.5*57 |
| 178*178*50 | 20 | 65*52*27 |
| 305*305*50 | 10 | 62*36*36.5 |
| 381*381*50 | 6 | 43*38*43.5 |
| 432*432*-50 | 6 | 47.5*36*48 |
| 508*508*50 | 6 | 54.5*38*56 |
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