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Electrothermal Ceramic
Electrothermal Ceramic

Name:Electrothermal Ceramic Structure:Polycrystal Size:Customized Alumina Content:95% or 99% Certificate:ISO9001-2008

Specifications:  

 1.Desirable surface fineness

 2.OEM/OPM Offered

 3.Factory Directly

Productive Technology:

   Wearable ceramic is the special corundum ceramic that been sintered under 1800°C 

with the main raw material of Al2O3 and flux of rare metal oxide.Using the high strength  

organic/inorganic bond to felt together, and then grinding to the size as drawing required.

Advantages:

   1.High temperature

   2.Good insulation

   3.High strength

   4.Precision Process

 

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

 

  

 

Electrothermal Ceramic

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