... shock resistance, erode resistance, high-performance,SIC Ceramic Foam filter is designed for filtering impurities from molten Iron & Alloy, nodular ... , 100x75x22mm, 100x100x22mm, 55x55x15mm, 150x150x22mm 4. Physical Properties for SiC Ceramic Foam Filters Porosity(%)80~90%Working Temperature≤1500°CBending Strength ... 6 timesVolume Density0.4-0.5g/cm3 Sic ceramic foam filter for molten metal casting