... /cm3, melting point 2397 °C, insoluble in water and alkali,light soluble in acid. In 2000 °C temperature ... oxide.application area As glass additives, absorbing uv rays and infrared ray,it large applicated in automobile glasses. Not ... solid laser; Used for polishing powder, hydrogen storage material, thermoelectric materials and cerium tungsten electrode, ceramic capacitor, piezoelectric ceramic, ce ...