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Quartz Glass

Composition

SiO2

Description

CoorsTek synthetic quartz glass is used extensively for its combination of clarity, material strength, and performance in both thermally and chemically rigorous environments, This synthetic quartz glass is an excellent material for high quality optics and semiconductor manufacturing.

Example Applications

  • Crucibles for Silicon Wafer Pulling
  • General Optics

CoorsTek Formulations

Contact a CoorsTek expert to choose a Quartz solution for your application.

Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

105

Compressive Strength, (20°C)

MPa

-

Fracture Toughness, KIc

MPa m1/2

1.0

Hardness, Rockwell 45N

R45N

-

Hardness, Knoop 1000gm

GPa

-

Maximum Use Temperature

°C

1000-1200

Coefficient of Thermal Expansion, (25-1000°C)

1 x 10-6/°C

0.5-0.65

Thermal Shock Resistance, (∆T)

°C

>1000

Thermal Conductivity, (20°C)

W/m K

1.4-1.5

Dielectric Strength, (6.35mm)

ac-kV/mm

-

Dielectric Constant, (1 MHz)

25°C

3.6

Volume Resistivity, (25°C)

ohm-cm

>1013

The information provided on this chart is for general material property reference only.  The customer should recognize that exact properties of materials may vary according to product configuration but close control of values of most properties can be maintained, if specified. Nothing herein is provided, or is to be construed, as absolute engineering data or constituting a warranty or representation. Contact CoorsTek for cost-effective design, development and manufacturing assistance. CoorsTek has 300+ variations including various forming and firing processes, not all variants are represented in the present website.

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