95%, 96%, 99% alumina ceramic rods for ignition electrodes

It is featured in high temperature resistance, good conduction of heat, heat sock resistance and chemical stability.Type:Refractory Ceramic CrucibleAlumina ceramic crucibleRefractory Ceramic CrucibleSpecial features:Extreme purityHigh Resistance to corrosionGood thermal conductivityStability in oxidising and reducing

Featured Products

It is featured in high temperature resistance, good conduction of heat, heat sock resistance and chemical stability.

Type:
Refractory Ceramic Crucible
Alumina ceramic crucible
Refractory Ceramic Crucible

Special features:
Extreme purity
High Resistance to corrosion
Good thermal conductivity
Stability in oxidising and reducing atmospheres.
Ultra high vacuum resistance
Stability at high temperatures
Exceptional surface finish.
Application

Crucibles are mainly used for founding and smelting of nonferrous metals, gas producer, Carburization, quenching and other special technologies. It is featured in high temperature resistance, good conduction of heat, heat sock resistance and chemical stability.


                                        Alumina Ceramics Properties

Alumina Content

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

Coefficient of linear expansion

*10-6/°C

5.5

5.3

Dielectric constant

 

9

10.5

Volume resistivity

Ω·cm

-

1013

Breakdown voltage

KV/mm

14

15

Breaking strength

Mpa

250

300



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