Application: | Chemical Processing, Electrical Insulation, High-Temperature Furnaces, Medical Devices, Semiconductor Industry |
---|---|
Ceramic Tube & Rod: | Ceramic Tube |
Length: | Customized |
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Alumina Ceramics Properties
|
|||
|
Unit
|
95%
|
99%
|
Density
|
g/cm3
|
3.6
|
3.8
|
Water absorption
|
%
|
<0.4
|
<0.2
|
Firing temperature
|
°C
|
1600
|
1800
|
Hardness
|
HRA
|
70
|
80
|
Coefficientoflinearexpansion
|
*10-6/°C
|
5.5
|
5.3
|
Dielectric constant
|
|
9
|
10.5
|
Volume resistivity
|
Ω·cm
|
-
|
1013
|
Breakdownvoltage
|
KV/mm
|
14
|
15
|
Breaking strength
|
Mpa
|
250
|
300
|