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Machinable ceramics Macor®

Macor® is the registered trademark of Corning Inc.

As Macor is a free-machining ceramic material, it can be manufactured faster than general ceramics. It is glass ceramic with high electric insulating, heat resistance and heat insulating properties that can easily be processed using precision machining without using diamond tools.

Characteristics Chart

Mechanical characteristics:

  Characteristics Density
g/cm3
Coefficient of elasticity
GPa
Bending strength
MPa
Hardness
GPa
Fracture toughness
MPa√m
Macor® - 2.5 67 130 - -

Heat/electrical characteristics

Characteristics Coefficient of thermal expansion
×10-6/K
Thermal shock resistance
K
Coefficient of thermal conductivity
W/m・K
Electrical resistance
Ω・cm
Dielectric strength
kV/mm
Dielectric constant Dielectric loss
×10-4
Macor® - 9.3 150 1.7 1016 40 6 50

Usage

  • Members for semiconductor manufacturing equipment
  • Large components for liquid crystal equipment

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