Low Sodium Tabular Alumina Chemical analysis:
Chemical analysis: | Al2O3 | Min. | 99.3 |
Fe2O3 | Max. | 0.1 | |
SiO2 | Max. | 0.2 | |
Na2O | Max. | 0.4 | |
TiO2 | traces | ||
B.D. | Min. | 3.54 g/cm³ (uncrushed material) | |
Apparent Porosity: | Max. | 5 | |
Water absorption: | Max. | 1.5 |
The Main Properties of the Low Sodium Tabular Alumina Are as Follows:
1.High purity Al2O3 concentration 99.4%;
2.Extremely high crystal hardness;
3.Low open porosity and 2-3 times higher closed porosity;
4.High particle bulk density 3.55-3.6g/cm3
5, High melting point: 2000 °C
6, Chemically inert
7, Good thermal shock resistance
8, Excellent volume stability
9, The presence of microcracks
10, High single-crystal strength.
Main Application of Low Sodium Tabular Alumina
The properties of tabular corundum have many applications in the field of refractory materials. In the main application area, tabular corundum is suitable for ceramic, chemical, and water bonding substrates. Tabular corundum can be used alone and combined with a system and can also be used with calcined and activated alumina. Because tabular corundum exhibits exceptionally high purity even with fines, it can improve lower alumina aggregates’ performance. For example, bauxite and fused corundum use coarse grains of these aggregates and tabular alumina’s medium grains and fines. As mentioned earlier, the increase in tabular corundum consumption mainly comes from the continuous casting of steel. The use of platy corundum, particularly for skateboards, dip pipes, and nozzles, is an industry-standard requirement.
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