The development and application of domestic spinel and high-alumian/spinel(including corun-dum/spinel and calcined-bauxite/spinel) castables were disucssed in this paper,It expounded the tech-nical characters and virtues of high grade and medi-um grade spinel and the importance of the develop-met and successful application of calcined-bauxite/spinel castalbes.Because of the technical and eco-nomical feasibility,the developement and application of spinel and high-alumina/spinel castables,in which domestic refractory workers play an important role ,have been flurishing.
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