The applicable temperature of Alumina foam ceramic filter is 1250℃, which used in filtering Aluminum and its alloy solution. It’s also designed for ordinary sand mould of wet mold casting and permanent mold casting, such as in Aluminum parts of autos. Its filter products are good for eliminating solid impurity of solution, so that Aluminum alloy is capable of casting, manufacturing aluminum foil, extrusion and processing etc. Then get the perfect pure Aluminum. The available porosities is from 10ppi to 70ppi.