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Machinable Glass Ceramic | MACOR

Supplier: Ceramic Oxide Fabricators (Australia)

With MACOR Machinable Glass Ceramic, fabrication is fast – because it can be machined into complicated shapes and precision parts with ordinary metal working tools, quickly and inexpensively, and it requires no firing after machining.

Price Guide: POA

MACOR is available in round bar, sheet or rectangular bar.

  • Is Machinable with ordinary metal working tools
  • Allows Fast Turnaround – no firing required
  • Holds Tight Tolerances – to 0.01 mm / 0.0005 in.
  • Withstands High Temperature, up to 1000 °C
  • Is Vacuum Compatible – no out-gassing and zero porosity

Thermal properties

Coefficient of expansion - 100 x 10-7/ °C

Continuous operating temperature - 800 °C (1000 °C, no load)

Mechanical properties

Density - 2.52 g/cm3

Porosity - nil

Hardness - 48 Rockwell A

Flexural strength - 94 MPa

Electrical properties

Dielectric strength - 40kV/mm

Volume resistivity - Over 1016 ohm-cm at 25 °C, over 107 at 400 °C.

Chemical properties

Good resistance to common acids and alkalis, even at 95 °C.

The point is this:

When you need the performance of a technical ceramic – high use temperature, electrical resistivity, zero porosity – and your application demands the ready fabrication of a complicated shape, look for MACOR® Machineable Glass Ceramic.

MACOR is a registered trademark of Corning Incorporated.