Steatite S221-P

Alternative and trade names
Steatite
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Description

Steatite belongs to a group of silicate ceramics and is composed of magnesium silicate. Because of its excellent processability, the material can be produced economically. It has following features:


  • Thermal insulation
  • Electrical insulation
  • Resistance to thermal shock
  • This material data has been provided by Bosch Advanced Ceramics.

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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    Properties

    General

    PropertyTemperatureValueComment

    Density

    23.0 °C

    2.7 g/cm³

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    Surface roughness

    13 μm

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    Rz*

    Mechanical

    PropertyTemperatureValueComment

    Compressive strength

    23.0 °C

    900 MPa

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    Elastic modulus

    23.0 °C

    110 GPa

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    Flexural strength

    23.0 °C

    140 MPa

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    4-point bending flexural test

    Hardness, Vickers

    23.0 °C

    510 [-]

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    converted from GPa

    Thermal

    PropertyTemperatureValue

    Coefficient of thermal expansion

    23.0 °C

    9E-6 1/K

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    Thermal conductivity

    23.0 °C

    3 W/(m·K)

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    Electrical

    PropertyTemperatureValue

    Electrical resistivity

    20.0 °C

    1.00E+11 Ω·m

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    600.0 °C

    100000 Ω·m

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    Technological properties

    Property
    Application areas

    Isolators and fuses

    High frequency technology

    Especially used in the electronics and automotive industry

    Other

    *depending on the processing status of the injection molding or pressing tool

    Processing history

    Axial Pressing