99.7% Al2O3 Crucibles

99,7% alumina Al2O3 crucible for high temperature melting

Sintered alumina curcibles ideal for very high temperature applications up to 1700°C.

It is resistant to chemical attacks from most acids and alkaline solutions as well as hydrogen and other reducing gases, with the exception of :

  • High concentration hydrofluoric acid
  • Phosphoric acid at boiling point
  • Potassium hydroxide solution at boiling point
  • Sodium hydroxide solution
  • Alkali salt melt


Al2O3 Alumina 99.7% with traces of MgO Magnesia and SiO2 Silica.

  • Maximum usage temperature: 1700°C
  • Good resistance to thermal shock
  • High electrical resistivity
  • Good mechanical resistance

Available products

  • Cylindrical crucibles
  • Conical crucibles
  • Tubular crucibles

Porducts on requets

  • Incineration tanks
  • Dishes

Crucibles (597.06k)

Technical data sheet crucibles.