The hydration, particles distribution and sintering property of ZrSiO4,3Al2O3.2SiO2,SiC and MgAl2O4 ultrafines made domcstically are studied.

• 对国产的锆英石、莫来石、碳化硅和尖品名微粉作了水化增重率、粒度分布、烧结性能的研究。