... line profit. 1.Filter the surdries in the castings,reduce the casting splracles,reduce the veins flowing when pouring the casting,reduce surface defects, ... , 100x100x22mm, 55x55x15mm, 150x150x22mm Physical Properties for SiC Ceramic Foam Filters Porosity(%)80~90%Working Temperature≤1500°CBending Strength(Mpa)0.8Compression ... .4-0.5g/cm3 Silicon Carbide Ceramic Foam Filter for metal filtration