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Ceramic lamp holder

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alumina ceramic wall socket porcelain wall switch

Alumina ceramic wall socket and porcelain wall switch are examples of advanced ceramics used in electrical applications. These products are made from electrical ceramics, specifically alumina ceramic, which is a type of ceramic insulator.

Advanced ceramics refer to a group of materials that exhibit exceptional properties such as high strength, hardness, and resistance to heat, wear, and corrosion. These ceramics are used in various industries, including electronics, aerospace, automotive, and energy.

Electrical ceramics, also known as electroceramics, are a subset of advanced ceramics that are specifically designed for electrical applications. They possess excellent electrical insulation properties, making them ideal for use in electrical devices and systems.

Alumina ceramic, in particular, is a commonly used material for electrical ceramics. It is a type of ceramic insulator that has high electrical resistance and thermal stability. Alumina ceramics are known for their excellent dielectric properties, which allow them to withstand high voltages and prevent electrical leakage.

Alumina ceramic wall sockets and porcelain wall switches are examples of electrical components that are made from alumina ceramic. These products are designed to provide electrical insulation and support for electrical connections. They are used in residential and commercial buildings to provide a safe and reliable electrical connection.




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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