12055-23-1 Hafnium oxide Nuclear Grade
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.
1、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 |
Chemical formula: HfO2 |
Molecular weight: 210.6 |
Density: 9.68 g/cm3 |
Melting point : 2850 ℃ |
Boiling point: 5400 ℃ |
CAS:12055-23-1
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 |
First |
Second |
Third |
Note |
||
Product codes |
ZHHf-01 |
ZHHf-02 |
ZHHf-03 |
|
||
Wt /% |
Assay |
Hf O2 |
≥98 |
≥98 |
≥96 |
|
Al |
≤0.010 |
≤0.010 |
≤0.020 |
|||
B |
≤0.0025 |
≤0.0025 |
≤0.003 |
|||
Cd |
≤0.0001 |
≤0.0001 |
≤0.0005 |
|||
Cr |
≤0.005 |
≤0.005 |
≤0.010 |
|||
Cu |
≤0.002 |
≤0.002 |
≤0.0025 |
|||
Fe |
≤0.030 |
≤0.030 |
≤0.050 |
|||
Mg |
≤0.010 |
≤0.010 |
≤0.015 |
|||
Mn |
≤0.001 |
≤0.001 |
≤0.002 |
|||
Mo |
≤0.001 |
≤0.001 |
≤0.002 |
|||
Ni |
≤0.002 |
≤0.002 |
≤0.0025 |
|||
P |
≤0.001 |
≤0.001 |
≤0.002 |
|||
Si |
≤0.010 |
≤0.010 |
≤0.015 |
|||
Sn |
≤0.002 |
≤0.002 |
≤0.0025 |
|||
Ti |
≤0.010 |
≤0.010 |
≤0.020 |
|||
V |
≤0.001 |
≤0.001 |
≤0.0015 |
|||
Zr |
Zr≤0.20 |
0.20<Zr<0.35 |
0.35<Zr<0.50 |
|||
Residue by burning (1100℃) |
<1.0 |
<1.0 |
<2.0 |
|||
Particle size |
-325mesh≥95% -600mesh≤35% |
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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