Zerodur® is a glass ceramic with an extremely low thermal expansion coefficient.
Mechanical Properties of Zerodur®
The mechanical properties of Zerodur® are mentioned in the table below:
| Property |
Value* |
| Density |
2.53 gm/cc |
| Hardness |
620 Knoop |
| Modulus of Elasticity |
13 x 106 psi |
| Poisson's Ratio |
0.243 |
*All properties are at room temperature unless otherwise noted.
Electrical Properties of Zerodur®
The electrical properties of Zerodur® are mentioned in the table below:
| Property |
Value* |
| Dielectric Constant |
7.4(@ 1 MHz) |
| Volume Resistivity |
2 x 1013 ohm-cm |
*All properties are at room temperature unless otherwise noted.
Thermal Properties of Zerodur®
The thermal properties of Zerodur® are mentioned in the table below:
| Property |
Value* |
| Coefficient of Thermal Expansion |
0.00 +/- 0.1 x 10-6/°C |
| Thermal Conductivity |
1.43 W/mK |
| Specific Heat |
0.80 cal/g°C |
| Maximum Working Temperature |
600°C |
*All properties are at room temperature unless otherwise noted.
Optical Properties of Zerodur®
The optical properties of Zerodur® are mentioned in the table below:
| Property |
Value* |
| Index of Refraction |
1.54 |
| Transmission Band |
0.3-2.5 Wavelength
(microns) |
*All properties are at room temperature unless otherwise noted.
Other Glass Ceramics Supplied by Insaco
Other Glass Ceramics Supplied by Insaco include:
About Insaco
Since 1947, Insaco has been synonymous with excellence in the development and production of high precision machined parts. As a custom fabricator of ceramic, glass, sapphire, and other hard materials, Insaco specializes in machining parts that often require tolerances measured in millionths of an inch, and wear properties that satisfy even the most demanding applications.
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This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.
For more information on this source, please visit INSACO Inc.