Application: | Aerospace, Electronics, Medical, Aerospace, Electronics, Medical, Refractory |
---|---|
Material Composition: | Alumina, Al2O3 |
Speciality: | High Insulation, High Strength, Temperature Resistant |
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Material Properties
|
|||
No
|
Item
|
Unit
|
Value
|
1
|
Purity
|
%
|
≥95
|
2
|
Volume Density
|
g/cm3
|
≥3.6
|
3
|
Water Absorption
|
%
|
0
|
4
|
Thermal Conductivity
|
W/m.k(25ºC)
|
2.4
|
5
|
Coefficient of Thermal Expansion
|
(x10-6)/ºC(25-1000ºC)
|
8.2
|
6
|
Flexural Strength
|
MPa
|
340
|
7
|
Compressive Strength
|
MPa
|
2103
|
8
|
Tensile Strength
|
MPa
|
193
|
9
|
Hardness
|
Rockwell 45N
|
78
|
10
|
Withstand Voltage
|
K Vac/mm
|
8.3
|
11
|
Dielectric Constant
|
@1MHZ
|
9.1
|
12
|
Dielectric Loss Angle
|
@1MHZ
|
0.0004
|
13
|
Volume Resistivity (ohm-cm)
|
@25ºC
|
1x10-14
|
@500ºC
|
4x10-9
|
||
@1000ºC
|
5x105
|