Steatite
Description
Reviews
|
Steatite
|
|||
|
Characteristics
|
Item
|
Value
|
Unit
|
|
Mechanical Characteristics
|
Colour
|
White
|
|
|
Density
|
2.7
|
g/cm3
|
|
|
Bending Strength
|
140
|
MPa
|
|
|
Compressive Strength
|
900
|
MPa
|
|
|
Elastic Modulus
|
110
|
GPa
|
|
|
Fracture Toughness
|
-
|
MPam1/2
|
|
|
Weber Coefficient
|
-
|
M
|
|
|
Vickers Hardness
|
-
|
HV0.5
|
|
|
Thermal Characteristics
|
Coefficient of Line Thermal Expansion
|
7~9
|
10-6K-1
|
|
Thermal Conductivity
|
2
|
W/mK
|
|
|
Thermal Shock Resistance (Put in Water)
|
100
|
∆T°C
|
|
|
Max Working Temperature
|
1,200
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°C
|
|
|
Electrical Characteristics
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Volume Resistance at 20°C
|
>1011
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Ωcm
|
|
Dielectric Strength
|
20×106
|
V/m
|
|
|
Dielectric Constant
|
6
|
εr
|
|
|
One MHZ Dielectric Loss Angle at 20°C
|
1.2
|
tanδ
|
|
|
Chemical Characteristics
|
Nitric Acid (60%) 90°C
|
-
|
WT Loss mg/cm2/day
|
|
Sulphuric Acid (95%) 95°C
|
-
|
||
|
Caustic Soda (30%) 80°C
|
-
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The chart is intended to illustrate typical properties of steatite ceramic. Engineering data is representative. Property values vary somewhat with method of manufacture, size, and shape of part.
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