Appearance and description：
Hafnium oxide is the main oxides of hafnium, it is the white odorless and tasteless crystal in normal circumstances.

Name: hafnium dioxide

CAS No.:12055-23-1

Chemical formula: HfO2  

Molecular weight: 210.6

Density: 9.68 g/cm3

Melting point : 2850 ℃

Boiling point: 5400 ℃

2. Product properties：
   Hafnium oxide is a kind of non-toxic and tasteless white solid, not dissolve in water, hydrochloric acid and nitric acid, be soluble in concentrated sulfuric acid and hydrogen fluoride acid；They are chemically inert, with thin film properties:  transparent range～220～12000nm；refractive index（250nm）～2.15 （500nm）～2， with high melting point, so it has a wide range of end-uses.

Product grades:

1. Zr  ≤0.5%.

2）Zr  0.5%~1%

3）Zr   1%~3%

4）Zr   3%~7%

5）Zr   7%~8%

6）Zr   8%~11%

3.Application：
1)Metal hafnium and its compound materials;
2)Refractory materials, anti-radiation coatings and special catalyst；
3)High strength glass coating.
4、Packaging：
Outer packing: plastic barrel; the inner packing adopt polyethylene plastic film bag, net weight 25KG/barrel.