| Name: hafnium dioxide | Chemical formula: HfO2 |
| Molecular weight: 210.6 | Density: 9.68 g/cm3 |
| Melting point : 2850 ℃ | Boiling point: 5400 ℃ |
|
Product grade |
First grade |
Second grade |
Third grade |
Note |
||
|
Product number |
SHXLHFO2-01 |
SHXLHFO2-02 |
SHXLHFO2-03 |
|
||
|
Chemical composition (mass fraction)/% |
Impurities |
Hf O2 |
≥98 |
≥98 |
≥95 |
|
|
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 |
≤0.070 |
|||
|
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 |
|||
|
Igloss(950℃) |
<1.0 |
<1.0 |
<2.0 |
|||
|
particle |
-325mesh≥95%,-600mesh≤35% |
|||||