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Electrically insulating, good corrosion resistance,
very high operating temperature, functional ceramics,
good mechanical characteristics, very high wear resistance,
very high hardness, very high thermal shock resistance,
low specific weight. |
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Technical Parameters |
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Description |
Unit |
Value |
|
Material |
|
Al2O3 > 99.7% |
|
Colour |
|
ivory, light pink |
|
Density |
g/cm3 |
3.9 |
|
Flexural Strength |
MPa |
390 |
|
Compressive Strength |
MPa |
3,900 |
|
Modulus of Elasticity (young) |
GPa |
390 |
|
Impact Resistance |
MPa m1/2 |
5.2 |
|
Weibull Modulus |
m |
12 |
|
Vickers Hardness |
HV 0.5 |
2,000 |
|
Thermal Expansion Coefficient |
10-6 K-1 |
5.5 - 8.4 |
|
Thermal Conductivity |
W/mK |
28 |
|
Thermal Shock Resistance |
∆T °C |
280 |
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Maximum Use Temperature |
°C |
1,700 |
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Volume Resistivity at 20 °C |
Ωcm |
>1015 |
|
Dielectric Strength |
kV/mm |
30 |
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Open Porosity |
% |
0 |
|
Dielectric Constant |
εr |
10 |
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Dielectric Loss Angle |
tanδ |
0.0005 |
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These properties were
measured on test samples. The values are typical
material properties and may vary according to
product configuration, geometry and
manufacturing process. |
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Electrically insulating,
good corrosion resistance, high operating temperature,
functional ceramics, good mechanical characteristics,
high wear resistance, high hardness, high thermal
shock resistance, low specific weight.
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Technical Parameters |
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| |
|
Description |
Unit |
Value |
|
Material |
|
Al2O3 > 99% |
|
Colour |
|
ivory, pink |
|
Density |
g/cm3 |
3.85 |
|
Flexural Strength |
MPa |
340 |
|
Compressive Strength |
MPa |
3,600 |
|
Modulus of Elasticity (young) |
GPa |
380 |
|
Impact Resistance |
MPa m1/2 |
5.0 |
|
Weibull Modulus |
m |
10 |
|
Vickers Hardness |
HV 0.5 |
1,900 |
|
Thermal Expansion Coefficient |
10-6 K-1 |
5.4 - 8.3 |
|
Thermal Conductivity |
W/mK |
27 |
|
Thermal Shock Resistance |
∆T °C |
270 |
|
Maximum Use Temperature |
°C |
1,650 |
|
Volume Resistivity at 20 °C |
Ωcm |
>1014 |
|
Dielectric Strength |
kV/mm |
25 |
|
Open Porosity |
% |
0 |
|
Dielectric Constant |
εr |
10 |
|
Dielectric Loss Angle |
tanδ |
0.001 |
|
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|
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|
These properties were
measured on test samples. The values are typical
material properties and may vary according to
product configuration, geometry and
manufacturing process. |
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| |
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 |
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| |
Electrically insulating, good corrosion resistance,
good operating temperature, functional ceramics, good
mechanical characteristics, good wear resistance,
good hardness, good thermal shock resistance, low
specific weight. |
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Technical Parameters |
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| |
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Description |
Unit |
Value |
|
Material |
|
Al2O3 > 95-97% |
|
Colour |
|
white, ivory, pink, red, salmon |
|
Density |
g/cm3 |
3.7 |
|
Flexural Strength |
MPa |
300 |
|
Compressive Strength |
MPa |
3,400 |
|
Modulus of Elasticity (young) |
GPa |
350 |
|
Impact Resistance |
MPa m1/2 |
4.0 |
|
Weibull Modulus |
m |
10 |
|
Vickers Hardness |
HV 0.5 |
1,800 |
|
Thermal Expansion Coefficient |
10-6 K-1 |
5.0 - 8.3 |
|
Thermal Conductivity |
W/mK |
24 |
|
Thermal Shock Resistance |
∆T °C |
250 |
|
Maximum Use Temperature |
°C |
1,600 |
|
Volume Resistivity at 20 °C |
Ωcm |
>1014 |
|
Dielectric Strength |
kV/mm |
20 |
|
Open Porosity |
% |
0 |
|
Dielectric Constant |
εr |
10 |
|
Dielectric Loss Angle |
tanδ |
0.001 |
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|
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|
These properties were
measured on test samples. The values are typical
material properties and may vary according to
product configuration, geometry and
manufacturing process. |
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