Material: *5~*9% alumina;

Feature: high mechanical strength, electrical insulating, no-porous, resistance to high temperature and high voltage, and consistance dimension;

Application: Mechanical equipments, industrial equipments and lamp holders;

Major components: 

  *5% *6%.*9  Al2O3

Material properties

Density: 3.6g/cm3

Water absorption: O

Sintering temperature: ********0°C

Physical properties

Hardness: ***0HV

Flexural strength: ***0Kgf/cm2

Compressive strength: ****0Kgf/cm2

Fracture toughness: **4Map.m3/2

Thermal properties

Maximum temperature: ***0°C

Coefficient of thermal expansion: 8****6/°C

Heat shock: **0T(°C)

Thermal conductivity: ****5 W/m.k(*****0°C)

Volume resistivity: (1)in *0°C >***2.cm  (2)in **0°C  ********3.cm  (3)in **0°C  >***0.cm

Electrical Characteristics 

Insulation breakdown strength: *8KV/mm

dielectric constant: 9.***0MHz(E)