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Tabular Alumina

High-density,High heat capacity,Low water absorption,High thermal conductivity,High hardness and wear resistance,Good thermal shock resistance,High electrical resistance.

CAS No.: 12415-34-8

Chemical Formula:Al2O3


Mohs’ Hardness:9

Apparent Porosity:  2.35 %

Bulk Specific Gravity :3.55 g/cm3

Place of Origin: Shandong, China

Appearance:White Crystalline Granules or Powder

Character:Tabular Alumina is made from high-purity alumina and sintered in an ultra-high temperature shaft kiln under rapid heating and rapid cooling. Sintered platy corundum has a distinct and well-developed α-alumina plate crystal structure with a crystal growth length of 30-200 um and a large number of tiny closed pores in the crystal.

Packaging:1t/1.25t Jumbo bags(Special packaging on request)


Chemical inertness – resistant to most alkalis and mineral acids

  • High-density
  • High heat capacity
  • Low water absorption
  • High thermal conductivity
  • High hardness and wear resistance
  • Good thermal shock resistance
  • High electrical resistance


Tabular Alumina has excellent fire resistance and is recognized as an excellent refractory aggregate. Widely used in the manufacture of refractory materials, such as skateboards, permeable bricks, nozzles, ladle castables, also used in the manufacture of kiln furniture and electrical insulators, the petrochemical industry.


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