Manufacturer of Foundry Molten Metal Filters since 2002
Sic (silicon carbide) ceramic foam filters of NINGXIN are developed and manufactured for the filtration of cast iron and non ferrous alloys. As the most advanced filter type with the higher filtration efficiency, It can effectively reduce inclusions and turbulence of molten metal, ensuring purified molten metal goes into the mold cavity with improved flow rates.
Using the unique formula and manufacturing process, NINGXIN sic ceramic foam filters have the excellent thermal shock, chemical and high temperature resistance up to 1500°C.
Ceramic foam filter main material: Silicon Carbide
Max. applied temperature: ≤1500℃
Color: Gray black
Hole density (PPI):10/15/20/25/30 (PPI=pores per inch)
High temperature bending strength（Mpa）: ≥2.5
Bending strength（Mpa）: ≥1.5
Compressive Strength(MPa) : ≥1.0
Bulk Density(g/cm3): 0.4-0.5
Thermal shock resistance: 6 times/1100℃-room temp.
With round, square and rectangle shape.
Size tolerance: ‐1.5~0mm(size under 100mm) ; ‐2~0mm(size above 100mm)
Pore size: 10/15/20/25/30PPI
Pore Tolerance: ± 2PPI
For Gray Iron: Max. filtration weight can be calculated based on Filter area(cm) x 4
For Ductile Iron: Max. filtration weight can be calculated based on Filter area(cm) x2
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