Calcined α-Al2O3
The raw materials are imported from Australia and large aluminium plants in China. The product are of stable quality and high purity, and they are widely used in refractory materials, building ceramics, electronic ceramics, wear resistant ceramics, grinding and polishing etc.
Ground
Calcined Aluminas for Refractories
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CAG9 |
CAG80 |
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|
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typical |
Min |
Max |
typical |
Min |
Max |
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Chemical
Composition |
Al2O3(%) |
99.5 |
|
|
99.7 |
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|
|
Na2O(%) |
0.15 |
|
0.30 |
0.12 |
|
0.15 |
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|
Fe2O3(%) |
0.04 |
|
0.06 |
0.02 |
|
0.04 |
|
|
SiO2(%) |
0.03 |
|
0.06 |
0.02 |
|
0.04 |
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|
Physical
Characteristics |
Specific
Surface Area/BET (m2/g) |
0.8 |
|
|
0.90 |
0.70 |
1.20 |
|
Particle
Size/D50 Cilas (μm) |
3.5 |
2.0 |
7.0 |
3.5 |
2.5 |
5.0 |
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|
Particle
Size/wet sieve＞45μm （%） |
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|
|
0.1 |
|
3.0 |
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Particle
Size/Cilas＞45μm （%） |
1.0 |
|
3.0 |
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|
|
|
|
Water
Absorption （%） |
20 |
|
22 |
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|
|
Reactive
Aluminas for High Performance Refractories
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|
|
CAR400 |
CAT2 |
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|
|
|
typical |
Min |
Max |
typical |
Min |
Max |
|
Chemical Composition |
Al2O3(%) |
99.8 |
|
|
99.7 |
|
|
|
Na2O(%) |
0.08 |
|
0.10 |
0.12 |
|
0.2 |
|
|
Fe2O3(%) |
0.02 |
|
0.04 |
0.03 |
|
0.05 |
|
|
SiO2(%) |
0.03 |
|
0.08 |
0.03 |
|
0.08 |
|
|
Cao |
0.03 |
|
|
0.03 |
|
|
|
|
Physical Characteristics |
Specific Surface Area/BET (m2/g) |
7.2 |
6.0 |
9.50 |
2.1 |
1.5 |
3.0 |
|
Particle Size/D50 Cilas (μm) |
0.6 |
0.4 |
0.8 |
1.8 |
1.4 |
2.3 |
|
|
Particle Size/D90 Cilas(μm) |
3.0 |
|
4.0 |
4.5 |
|
6.0 |
|
|
Grain Size Distribution |
monomodal |
monomodal |
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|
|
CAL37 |
CAT3 |
CATC4 |
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|
|
|
typical |
Min |
Max |
typical |
Min |
Max |
typical |
Min |
Max |
|
Chemical Composition |
Al2O3(%) |
99.7 |
|
|
99.8 |
|
|
99.8 |
|
|
|
Na2O(%) |
0.10 |
|
0.14 |
0.08 |
0.12 |
0.08 |
|
0.12 |
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|
Fe2O3(%) |
0.03 |
|
0.04 |
0.02 |
|
|
0.03 |
|
|
|
|
SiO2(%) |
0.03 |
|
0.07 |
0.03 |
|
0.07 |
0.03 |
|
0.07 |
|
|
Cao |
0.03 |
|
|
0.03 |
|
|
0.03 |
|
|
|
|
Physical Characteristics |
Specific Surface Area/BET (m2/g) |
3.0 |
2.6 |
3.4 |
3.8 |
3.0 |
4.5 |
4.8 |
4.0 |
4.5 |
|
Particle Size/D50 Cilas (μm) |
2.5 |
1.8 |
3.0 |
1.5 |
1.2 |
1.8 |
1.2 |
0.8 |
1.5 |
|
|
Particle Size/D90 Cilas(μm) |
7 |
5.0 |
10.0 |
5.0 |
4.0 |
6 |
5.5 |
4.7 |
6.8 |
|
|
Grain Size Distribution |
bimodal |
multimodal |
bimodal |
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