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High Purity Alumina Ceramic switch Block Base
A high purity alumina ceramic switch block base is a component used in electrical switches or circuit breakers. It is made from high purity Al2O3 Ceramics material, which offers excellent electrical insulation properties and high temperature resistance.
The switch block Ceramic Base provides a stable and durable platform for mounting the electrical contacts and components of the switch. It also helps to maintain the electrical isolation between the contacts, preventing any short circuits or electrical leakage.
The high purity alumina ceramic material used in the switch block base ensures that there is minimal risk of electrical breakdown or arcing, even at high voltages or in harsh environments. This makes it suitable for use in various applications, including power distribution systems, industrial machinery, and electronic devices.
Technical Parameters:
Item
Unit
Al2O3 95％－97％
Al2O3 99％
Desity
g/cm3
3.7
3.85
Flexural Strength
Mpa
300
340
Compressive Strength
Mpa
3400
3600
Modulus of Elaslicity
Gpa
350
380
Impact Resistance
Mpa m1/2
4.0
5
Weibull Moudulus
m
10.0
10
Vickers Hardness
HV0.5
1200.0
1300
Thermal Expansion Coefficent
10-6K-1
5.0-8.3
5.4-8.3
Thermal Conductivity
W/mK
24
27
Thermal Shork Resistance
△T℃
250
270
Maximum Use Temperature
℃
1600
1650
Volume Resistivity at 20℃
Ω
≥1014
≥1014
Dielectric Constant
KV/mm
20
25
Open Porosity
%
0
0
Dielectric Constant
ξr
10
10
Dielectric Loss Angle
Tanσ
0.001
0.001
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