This technical information has been contributed by
Insaco Incorporated

Click here to find suppliers

Machinable Ceramic Materials
Steatite® MgO-SiO2)

PROPERTY UNITS VALUE
 Mechanical    
 Density gm/cc 3.7
 Hardness Rockwell 45N 82
 Tensile Strength kpsi 28
 Modulus of Elasticity psi x 106 -
 Flexural Strength kpsi 17-21
 Compressive  Strength kpsi 80-90
 Poisson's Ratio - -
 Fracture Toughness MPa m1/2 4-5
 Electrical    
 Dielectric Strength ac volts/mil 230-447
 Dielectric Constant (at 1 MHz) 5.9-6.5
 Volume Resistivity ohm-cm2/cm 6x109
 Thermal    
 Coefficient of
 Thermal Expansion
x10-6/°C 6.1-8.0
 Thermal Conductivity W/m°K 5
 Specific Heat cal/g°C -
 Max Working Temp °C 1000
 Shock Resistance °C -
All properties are at room temperature unless otherwise noted.

Engineering data are representative, and are not intended as absolute nor warrantable. Manufacturer’s Data shown is blended from multiple sources and therefore illustrates the marketplace.

This technical information has been contributed by
Insaco Incorporated

Click here to find suppliers


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