Alumina Ceramic Substrates

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.

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


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Alumina ceramic (Aluminum Oxide or Al2O3) is an excellent electrical insulator and one of the most widely used advanced ceramic materails.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.