KERUI foam ceramic filter has the characteristics of complete specification (size:30-600mm, pore:10 -70PPI), precise size, goodstrength,large specific surface area, high porosity, 90od thermal shock resistance, high temperature stabilty in molten metal,etc. Ithas a g0od adsorption effect even on the smallimpurities of 1-10um,which is not only well used for high temperature molten liquid,but also gas dust purification, sound insulation, catalyst carrier substrate, and so on.
Ceramic foam filter sheets are advanced refractory filter materials with a three-dimensional open-pore structure, typically made from high-purity alumina, silicon carbide, or zirconia. Their uniformly interconnected pores effectively remove non-metallic inclusions from molten metal at high temperatures, improving melt cleanliness and casting quality.
During filtration, inclusions are intercepted and deposited on the pore walls while the molten metal flow becomes smoother, reducing turbulence, porosity, and inclusion-related defects.
| Item | Silicon Carbide Ceramic Foam Filter | Alumina Ceramic Foam Filter | Zirconia Ceramic Foam Filter |
|---|---|---|---|
| Color | Grey / Black | White | Yellow |
| Pore Density (PPI) | 10–40 PPI | 10–70 PPI | 10–40 PPI |
| Porosity | 80%–90% | 80%–90% | 80%–90% |
| Max Working Temperature (°C) | ≤ 1500 | ≤ 1100 | ≤ 1700 |
| Bending Strength (MPa) | ≥ 1.0 | ≥ 0.8 | ≥ 1.2 |
| Thermal Shock Resistance | 6 | 6 | 6 |
| (times / 1100°C) | |||
| Application Fields | Grey iron, ductile iron, copper, brass, and non-ferrous alloy casting | Aluminum and aluminum alloy casting | Carbon steel, stainless steel, and large cast iron |
Excellent Filtration Performance
High Temperature Resistance and Excellent Thermal Shock Resistance
Strong Chemical Stability
Improved Molten Metal Flow Pattern
Uniform Structure and Good Permeability
Increased Yield and Reduced Costs