Physical and Mechanical Properties of Zerodur (Schott Glass) by Insaco

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.

This information has been sourced, reviewed and adapted from materials provided by INSACO Inc.

For more information on this source, please visit INSACO Inc.

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Comments

  1. Lakshmi Rajaraman Lakshmi Rajaraman India says:

    i want to expose my optical window for 8 sec in 2000 deg environment. what material i should
    use

The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of AZoOptics.com.

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