High Purity thermal shock resistance 99.3% Alumina Ceramic Tube
High Purity thermal shock resistance 99.3% Alumina Ceramic Tube

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Description

We specialize in producing 99.3% alumina crucibles and corundum tubes. The products are characterized by high hardness, high strength, high temperature resistance, corrosion resistance and good electrical insulation. It is widely used in electronic components, piezoelectric ceramics, varistor ceramics, semiconductors, etc.

 

 

 

Material

 

Unit

 

Al2O3 99%-99.3%

Density

g/cm 3

 3.9

Flexural strength

MPa

292

Compressive strength

MPa

3300

Modules of Elasticity

GPa

340

Impact Resistance

MPam 1/2

3.9

Weibull modulus

m

10

Vickers Hardness

HV0.5

1800

Thermal expansion coefficient

10 -6 K -1

5.0-8.3

Thermal Conductivity

W/mK

31

Thermal Shock Resistance

ΔT℃

250

Maximum Use Temperature

1700

Volume Resistance at 20℃

Ω

≥10 14

Dielectric constant

KV/mm

20

Apparent Porosity

%

0

Dielectric Constant

ε r

10

Dielectric Loss Angle

tanδ

0.001

Dielectric Strength

KV/mm

20

 

 OD:2-200MM ID:1-180MM length: 10-2500MM( Length can be customized, please contact customer service)

 

both ends open ceramic tubes

polyporous ceramic tubes (2, 3, 4, 6, 10, 11 holes)

one end closed/protection ceramic tubes

irregular ceramic tubes