XL series high-performance ladle castables have the characteristics of high strength, good shock resistance, corrosion resistance and volume stability. It is suitable for ladle bottom, ladle wall, slag line and other parts. In particular, the corundum spinel castable developed by the use of new electric technology can significantly improve the life of the ladle when used in the bottom of the ladle of the large electric furnace, the large converter, and the wall lamp.