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calcined alumina,alumina powder Grinding and polishing grade,Refractory grade
,ceramic-grade,Paint Grade manufacturer
|
category |
Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
True density |
|
coarse
powder |
99.7 |
0.05 |
0.03 |
0.04 |
3.97 |
|
Micro
Powder |
99.7 |
0.08 |
0.03 |
0.04 |
3.97 |
2. Grinding and polishing
grade
|
Model No. |
P78 |
P45 |
P34 |
P23 |
P12 |
P01 |
|
7-8um |
4-5um |
3-4um |
2-3um |
1-2um |
0.5 |
|
|
True density |
3.96g/cm3 |
3.96g/cm3 |
3.96g/cm3 |
3.95g/cm3 |
3.93g/cm3 |
3.90g/cm3 |
|
Mohs Hardness |
9 |
9 |
9 |
9 |
9 |
9 |
3. Refractory grade
|
category |
Al2O3 |
SiO2 |
Fe2O3 |
Na2O |
True density |
|
coarse
powder |
99.0 |
0.10 |
0.05 |
0.1 |
3.96 g/cm3 |
|
Micro
Powder |
99.0 |
0.15 |
0.05 |
0.1 |
3.95 g/cm3 |
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