 Aluminum oxide |
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| Products>>Aluminum oxide>>Calcined Alumina |
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| Calcined Alumina |
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Liangjiang brand Calcined Alumina is white powder, good flowability,performance stability,hardly soluble in acid and alkali, excellent sintering property.It used as high quality material for aluminous refractory, sintering coroundum and electric ceramics. |
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1、Main standard
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Chemical composition |
Alumina （α-AL2O3 ）/Calcined |
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Appearance |
White powder |
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Package |
25kg woven bag， 1000kg big bag |
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Characteristics |
It is white powder, good flowability,performance stability,hardly soluble in acid and alkali, excellent sintering property. |
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Application |
luminous refractory, sintering coroundum and electric ceramics. | |
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2、Specification
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No |
Item |
Unit |
Index |
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LJ-A |
LJ-2 |
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1 |
AL2O3 |
％≥ |
99.5 |
99.5 |
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2 |
SiO2 |
%≤ |
0.026 |
0.06 |
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3 |
Fe2O3 |
％≤ |
0.04 |
0.03 |
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4 |
Na2O |
％≤ |
0.20 |
0.30 |
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5 |
Loss in burning |
％ |
1.0 |
1.0 |
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6 |
α-AL2O3 |
％≥ |
94.0 |
93.0 |
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7 |
Proportion |
％≥g/cm3 |
3.94 |
3.95 | |
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