Alumina - Aluminium Oxide Calcined - Pottery, Ceramics, Abrasive

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Aluminium oxide calcined

Aluminium oxide produced commercially is obtained by the calcination of aluminium hydroxide. Calcined alumina products are used in a wide range of ceramic and refractory applications. Alumina offers many specific properties - High compression strength, resistant to abrasion, chemically resistant, high hardness, high thermal conductivity, high dielectrical strength and resistant to thermal shock.

Uses for Calcined Aluminium Oxide:

  • Ceramic materials such as Electronic devices
  • Mechanical parts
  • Whiteware
  • Fillers for resin
  • A key raw material for refractories and abrasives
  • In pottery it is used to increase glaze viscosity, firing range and resistance to crystallization.

Properties of Alumina:

  • CAS No. 1344-28-1
  • Chemical Formula: Al2O3
  • M.Wt: 101.94
  • S.Gravity: 4.0
  • Odour: odourless
  • Solubility: insoluble in water
  • Purity: 98% min.
  • Melting point: ca 2000C
  • Appearance: White crystalline powder
  • Other Names: Alumina calcined, calcined aluminium oxide, activated Alumina; alpha-Alumina


    PLEASE NOTE: This product is not for human or animal consumption.


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