| Product
Information |
Applications |
|
|
Formula |
CeO2 |
They are
suitable for recirculatory slurry systems and is compatible with
all standard polishing pad interfaces. |
|
Appearance |
Pink or Red Brown Powder
|
| Typical Analysis |
Recommended Slurry
Temperature |
| Specifications |
CeO2 99.7 % |
25 °C – 40 °C (77 °F - 104
°F) |
| Loss on ignition at
1,000?C |
1.00 % max |
|
|
|
| Composition |
|
| Other Rare Earths |
Non-Rare Earths |
|
La2O3 |
0.019 % |
|
Fe2O3 |
0.002 % |
|
Nd2O3 |
0.004 % |
|
SiO2 |
0.007 % |
|
Sm2O3 |
< 0.001 % |
|
CaO |
< 0.005 % |
|
Y2O3 |
0.003 % |
|
Na2O |
0.15 % |
|
|
|
SrO |
< 0.001 % |
|
|
|
| Physical
Properties |
|
Dilution and
Compatability |
|
Melting Point |
2500?C |
The cerium
oxide can be used in concentration
between 2 ° and 10 ° Baume. For shape polishing and
straight line beveling, concentration of 2 ° to 5 ° Baume is
recommended. |
|
Specific Gravity |
7.3 g/cm3 |
|
|
|
Composition REO Content |
60 - 75% |
|
Average Particle Size |
2.6 - 2.9 Microns |
|
pH |
6.5 - 7.5 |
|
|
|
|
| Solubility |
Insoluble in water, moderately soluble
in strong mineral acids. |
| Stability |
Slightly hygroscopic, will absorb small
amounts of moisture and CO2 from the atmosphere. |