Type: | Industrial |
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Material: | Ceramics |
Raw Material: | Alumina |
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ITEM
|
UNIT
|
Alumina | A950
|
Alumina | A990
|
Main Content
|
-
|
95% Al2O3
|
99% Al2O3
|
Color
|
-
|
White / Pink
|
Ivory
|
Density
|
g/cm3
|
3.7
|
3.85
|
Vickers Hardness
|
Gpa
|
14
|
17
|
Flexural Strength
|
Mpa
|
310
|
360
|
Compressive Strength
|
Mpa
|
2,200
|
2,500
|
Electrical Resistivity
|
Ω·cm
|
>10 14
|
>10 14
|
Dielectric Strength
|
KV/mm
|
15
|
17
|
Dielectric Constant
|
1 MHz
|
8
|
9
|
Thermal Conductivity
|
W/m.K
|
25
|
29
|
Max. Working Temperature
|
ºC / °F
|
1,500 / 2,730
|
1,650 / 3,000
|
Resistance to Thermal Shock
|
T(ºC)
|
210
|
230
|
Thermal Expansion Coefficient (25 - 1,000 ºC)
|
10-6/K
|
7 - 9
|
7 - 9
|