White crystal, slightly dissolved in water and dissolved in hot water poisonous.
Application:
for the manufacturc of zirconium, zirconium compound, ferroalloys, Magnesia-Alumina alloys, steel and non-ferrous meal alloys; in atomic energy industry and also in manufacture of high-class electro matcrials, refractory materials, electric vacuum materials, fireworks, ceramics, cnamelware and glass etc.
