This paper introduces the aggregate of lightweight mollite and the characters of its blended castable as well as the practical use of this castable in steel rolling furnace.

• 介绍了轻质莫来石骨料及用该骨料配制的轻质莫来石浇注料的性能，并介绍了该浇注料在轧钢加热炉上的应用情况。