This technical information has been contributed by
Insaco Incorporated
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Machinable Ceramic Materials - ZERODUR® (Schott Glass)

PROPERTY UNITS VALUE

REMARKS

 Mechanical
 Density  gm/cc  2.53  
 Hardness  Knoop  620

 
 Tensile Strength  kpsi  -  
 Modulus of Elasticity  psi x 106  13  Young
 Flexural Strength  kpsi  -  
 Compressive
 Strength		  kpsi  -  
 Poisson's Ratio  -  0.243  Varies with
 Orientation
 Fracture Toughness  MPa m1/2  -  
 Electrical
 Dielectric Strength  ac volts/mil  -  
 Dielectric Constant  (at 1 MHz)  7.4  parallel to the c-axis
 Volume Resistivity  ohm-cm2/cm  2x1013 -
 Thermal
 Coefficient of
 Thermal Expansion		  x10-6/oC  0.0+/-0.1  parallel to the c-axis
 Thermal Conductivity  W/moK  1.46  -
 Specific Heat  cal/goC  0.8  -
 Max Working Temp  oC  600  -
 Shock Resistance  oC diff.
 Optical
 Index of
 Refraction		  (Ordinary ray,
 No,c-axis)
 (Extraordinary ray,
 Ne,c-axis)

 1.54

 -

 -

 -
 Birefringence  (No-Ne)  -  -
 Transmission Band  Wavelength of microns  0.30 - 2.5  
All properties are at room temperature unless otherwise noted.

Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer' s Data shown is blended from multiple sources and therefore illustrates the marketplace.

This technical information has been contributed by
Insaco Incorporated
Click here to find suppliers
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