Project Description

Key Benefits

  • Easily machinable
  • Withstands high temperatures
  • Low thermal conductivity
  • Electrical insulator
  • Zero porosity and no out gassing
  • Strong & rigid
  • Highly polishable
  • can be soldered to a wide range of material
  • Radiation resistant
  • Lead free

Advanced Finishing Services

  • Precision grinding and lapping
  • Laser machining
  • Engineering design and support
  • Metallizing
  • Threaded components
Macor Glass Ceramic

Material Properties (Macor Glass Ceramic)

Density 2.52 g/cm3
Young’s Modulus, 25°C66.9 GPa
Poisson’s Ratio0.29
Shear Modulus, 25°C25.5 GPa
Hardness, Knoop, 100g250
Rockwell A48
Modulus of Rupture, 25°C94 MPa
Compressive strength345 MPa
Fracture Toughness1.53 MPa m0.5
Coefficient of Expansion
-200 to 25°C74×10-7/°C
25 to 300°C93×10-7/°C
25 to 600°C114×10-7/°C
25 to 800°C126×10-7/°C
Specific Heat, 25°C.79KJ/kg°C
Thermal Conductivity, 25°C1.46 W/m°C
Thermal Diffusivity, 25°C7.3×10-7m2/s
Continuous Operating Temperature800°C
Maximum No Load Temperature1000°C
Dielectric Constant, 25°C
1 KHz6.03
8.5 GHz5.67
Loss Tangent, 25°C
8.5 GHz7.1×10-3
Dielectric Strength (AC) avg

(at 0.3mm thickness and 25°C)

9.4 KV/mm
Dielectric Strength (DC) avg.

(at 0.3mm thickness and 25°C)

62.4 KV/mm
DC Volume Resistivity, 25°C>1016 ohm-cm
*The chart is intended to illustrate typical properties. Property values vary with method of manufacture, size, and shape of part. Data contained herein is not to be construed as absolute and does not constitute a representation or warranty for which Ortech, Inc. assumes legal responsibility.