Alumina foam ceramic filter is a high-performance functional material specially designed for metal melt purification. With its unique three-dimensional mesh structure and stable chemical properties, it has become an indispensable and cost-effective quality control barrier in modern precision casting, especially in the production of high-end castings of non-ferrous metals such as aluminum alloys and copper alloys. It is a reliable guarantee for improving the quality, finished product rate and performance of castings.