The application of polycrystal mullite fibre in heating furnace is introduced.It can prolong the working life of roof and wall of furnace.

• 介绍了多晶莫来石纤维在加热炉上的使用效果,应用此纤维可以延长加热炉炉顶及炉墙的使用寿命,并且能够增产降耗。