Its Hard products is widely used as electric stove hearth sets in lab and wall,suspend ceiling brick,hollow brick,fire bulkhead muffle board,hot dozzle,nozzle etc.

硬用作实验电炉全纤炉膛件及陶窖用墙体、吊顶砖、孔砖、挡火隔焰、帽、口、套等。