96% Alumina Ceramic

96% Alumina Ceramic Al2O3 Properties

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Density (g/cc): 3.72 RT 900°C 10-6/°C: 8.4
Color: White Dielectric Constant 25°C / 1 kHz: 9.9
Flexural Strength MPa (psi × 103): 353 (51) Dissipation Factor 25°C/ 1 kHz: <.001
Young’s Modulus GPa: 330 Volume Resistivity 25°C ohms-cm: >1014
RT 300° C 10-6/°C: 7 Volume Resistivity 300 °C ohms-cm: 2.0 x 1011
RT 700°C 10-6/°C: 8 Volume Resistivity 500 °C ohms-cm: 1.8 x 109


Alumina ceramic (Aluminum Oxide or Al2O3) is an excellent electrical insulator and one of the most widely used advanced ceramic materials. Additionally, it is extremely resistant to wear and corrosion. Alumina components are used in a wide range of applications such as electronics, pump components and automotive sensors.

Elan Technology offers a variety of alumina compositions, including 94% Alumina Low CaO, 94% Alumina High CaO2, and 85% Alumina 14% SiO2, but the 96% Alumina Ceramic is one of the most widely used materials.

Alumina components can be formed by a variety of manufacturing techniques such as uniaxial pressing, isostatic pressing, injection molding and extrusion. Finishing can be accomplished by precision grinding and lapping, laser machining and a variety of other processes.

The alumina ceramic components produced by Elan Technology are suitable for metallization in order to create a component that is easily brazed with many materials in subsequent operations. Elan Technology offers a range of alumina compositions to meet your most demanding applications.

Overview of Physical Properties

  • Good electrical insulation
  • High mechanical strength
  • Excellent wear resistance
  • Excellent corrosion resistance
  • Low dielectric constant

Overview of Applications

  • Pump seals and other components
  • Wear resistant inserts
  • Insulating washers or bushings
  • Semiconductor components
  • Aerospace components
  • Automotive sensors
  • Electrical or electronic insulators

Alternate Alumina Compositions

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