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Ceramic electrical insulators

Most ceramic materials are electrical insulators. For most applications, other characteristics determine which material is most suitable. The overview below gives you an insight into the range of ceramic insulators. The distinguishing features are mentioned below the material name.

Threaded alumina insulators

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Aluminium oxide
High temperature resistance - High hardness
Specifications aluminium oxide
Zirconium oxide
Thermal insulator - High temperature applications - High toughness
Specifications Zirconium oxide
Aluminium nitride
High hardness - Good thermal conductivity - Good thermal shock resistance
Specification Aluminium nitride
Silicon nitride
High temperature applications - Excellent thermal shock resistance
Specifiactions Silicon nitride
Boron nitride
Non-wetting characteristics - Eelectrical insulation - High temperature applications
Specifications Boron nitride
Macor – machinable glass ceramic
Thermal insulator - Easy machinable
Specifications Macor – machinable glass ceramics