tabular aluminum
Sintered tabular corundum

High purity Al2O3 99.2% tabular corundum

Tabular corundum – alpha alumina with leaf-shaped crystals, aluminum oxide raw materials calcined with alumina to fine powder and subunit to balls with abta diameter of 25 mm. These balls are sintered (burned) at 1750 ° C in modern mine furnaces and after crushed, milled and sieved to standard fractions / sizes. Table groats of alumina is a re-crystallic sintered alpha alumina with high density. It consists of large (50 – 200 microns), flat, tablet-shaped corundum crystals.

$800.00 – $1,000.00 / MT

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High purity Al2O3 99.2% tabular corundum

Chemical analysis of tabular corundum:

StyleChemical IndexPhysical Index
Al2O3%SiO2%Fe2O3%Na2O%Volume density
(g/cm3)		water absorptionapparent porosity
0-1mm
0-0.5mm
1-3mm
3-5mm
3-6mm
5-8mm		99.2min0.1max0.1max0.4max3.5  1.5 5max
200#-0
320#-0
325#		99.1min0.1max0.1max0.4max   3.5  1.5 5max
tabular corundum
tabular corundum

The main properties of tabular corundum are as follows:

  • The concentration of high purity Al2O3 is 99.2%min;
  • Very high crystal hardness;
  • Low yield, high fracture rate 2-3 times;
  • High particle bulk density 3.5-3.6g/cm3
  • High melting point : 2000°C
  • Chemical inertness
  • Good thermal shock resistance
  • Excellent volume stability
  • Microcracks
  • High single crystal strength
Weight1000 kg
Dimensions100 × 100 × 100 cm

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  1. Samuel (verified owner) –

    The product is firmly packed.

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