... , 408*408mm, 435*435mm, etc. Ceramic Filter Brick for aluminum casting machineCeramic foam filters are made from ceramic corundum ... properties.They are widely used in the field of aluminum melting and casting Bore density: 20, 30, 40, 50 ... medium, small. Zhongnan Machinery specializes in producing aluminum melting and casting equipment, and providing professional layouts for our customers’ workshops. ...