Laboratory Use Al2O3 Alumina Ceramic Dental Crucible
Laboratory Use Al2O3 Alumina Ceramic Dental Crucible
Laboratory Use Al2O3 Alumina Ceramic Dental Crucible
Laboratory Use Al2O3 Alumina Ceramic Dental Crucible

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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

Weepers Coefficient

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 Resistivity 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


Image

 Specification: 5ml 10ml 15ml 20ml 25ml 30ml 50ml 100ml 150ml 200ml-2500ml

Crucibles are supplied with lids or covers, if you need them, please tell us.