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Technical Ceramics

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Al2O3 Aluminum Oxide Alumina Ceramic Tube

Alumina(Aluminum Oxide Ceramic) is the most commonly used technical ceramic material. Thanks to its very good electrical insulation, dielectric strength and high temperature resistance up to 1700 °C, Alumina Ceramic is ideal for electrical applications and high-temperature applications.
  • Density :

    3.65 - 3.90 g/cm3
  • Max. Service Temp. :

    1500 - 1800 degree C
  • Thermal Conductivity :

    20 - 30 W/m.K
  • Dielectric Strength :

    15 - 20 KV/mm
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Product Detail

Material Introdution


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. UNIPRETEC offers a variety of alumina compositions, including 92% Alumina, 95% Alumina, 96% Alumina, 99% Alumina, 99.5% Alumina and 99.8% Alumina. 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.


  High Hardness
  Low Coefficient of Thermal Expansion
  Excellent Electrical Insulator
  Mechanically Stable at High Temperature
  Good Thermal Shock Resistance
  High density, non-porous and vacuum tight
  Resists Abrasive Wear and Chemical Attack
  ......


Materials' Properties


ALUMINA CERAMIC MATERIAL PROPERTIES


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