Tabular Alumina, sometimes called TWA, is a pure, sintered corundum that does not add any additives such as MgO, B2O3, and shrinks completely.
It has coarse crystals and a well-developed α-Al2O3 crystal structure.
The content of Al2O3 is more than 99%. Crystal structure, with small pores and many closed pores, and the porosity is roughly equivalent to that of Fused Alumina.
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Flow chart of Tabular Alumina
Physical index | |
Color | White |
Bulk density | 3.50g/cm3 |
Water absorption | 1.5% |
Apparent porosity | 5% |
Chemical index | |
Al2O3 | 99.2% |
SiO2 | 0.1% |
Fe2O3 | 0.05% |
Na2O | 0.4% |
Particle Size Distribution | |||
Size:mm | Distribution | Typical Values % | MAX/MIN % |
5-10mm | 5-10mm | 92 | 75 |
7-10mm | 58 | 40 | |
5-7mm | 35 | 20 | |
3-6mm | 3-6mm | 98 | 90 |
4-6mm | 55 | 40 | |
3-4mm | 44 | 20 | |
1-3mm | 1-3mm | 99 | 90 |
2-3mm | 52 | 30 | |
1-2mm | 47 | 30 | |
1-2mm | +2.36mm | 8 | 10 |
-1mm | 5 | 10 | |
0.5-1mm | 0.5-1.18mm | 95 | 90 |
0.7-1.18mm | 45 | 35 | |
0.5-0.7mm | 50 | 20 | |
0.2-0.6mm | +0.6mm | 5 | 10 |
-0.2mm | 4 | 10 | |
0-0.5mm | 0-0.5mm | 95 | 90 |
0.15-0.5mm | 49 | 38 | |
-200# | +0.088mm | 0.3 | 3 |
-0.044mm | 96 | 90 | |
-325# | -0.044mm | 97 | 85 |
Available Sizes | |||
Fraction | 0-30mm,30-10mm,12-6mm,10-8mm,8-5mm,5-3mm,3-1mm,2-1mm,1-0mm,1-0.5mm,0.5-0.2mm,0.5-0mm,0.3-0mm | ||
Fine | 46mesh-0,60mesh-0,80mesh-0,100mesh-0,120mesh-0,150mesh-0,180mesh-0,200mesh-0,240mesh-0,270mesh-0 | ||
Customized size is available upon request |