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:
2)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.
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