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Cordierite

Composition

Al Silicate

Description

CoorsTek cordierite combines great thermal shock properties, low thermal expansion rate, and good electrical insulation. It is an excellent fit for inexpensive insulators used in manufacturing and durable goods.

Example Applications

  • Household appliances
  • Electrical insulators

CoorsTek Formulations

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

Columns
Property Units Value

Flexural Strength MOR, (20°C)

MPa

55-100

Compressive Strength, (20°C)

MPa

-

Fracture Toughness, KIc

MPa m1/2

-

Hardness, Rockwell 45N

R45N

-

Hardness, Knoop 1000gm

GPa

-

Maximum Use Temperature

°C

1200

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

1 x 10-6/°C

3.0-3.5

Thermal Shock Resistance, (∆T)

°C

200-350

Thermal Conductivity, (20°C)

W/m K

1.2-1.8

Dielectric Strength, (6.35mm)

ac-kV/mm

10

Dielectric Constant, (1 MHz)

25°C

-

Volume Resistivity, (25°C)

ohm-cm

109-1012

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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