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CeramTec Rubalit® IS 95 Alumina

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer CeramTec North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CeramTec Rubalit® IS 95 Alumina.pdf
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Material Notes:
Rubalit® IS 95 is a high-performance alumina ceramic. Aluminas exhibit good mechanical properties such as hardness, compressive and tensile strength, and elastic modulus. They perform well at elevated temperatures.
Physical Properties Metric English Comments
Density 3.73 g/cc
0.135 lb/in³
DIN EN 623-2
Porosity 5.0 %
5.0 %
closed (approximate vol. %)
Weibull Modulus >= 15
>= 15
DINV ENV 843-5
Mechanical Properties Metric English Comments
Vickers Microhardness 1100
1100
HV 0.5; DINV ENV 843-4
Tensile Modulus 330 GPa
47900 ksi
Young's; DINV ENV 843-2
Flexural Strength 330 MPa
47900 psi
DIN EN 843-1
Compressive Strength 3400 MPa
493000 psi
DIN 51067T1
Poissons Ratio 0.23
0.23
DINV ENV 843-2
Fracture Toughness 4.00 MPa-m½
3.64 ksi-in½
K<sub>IC</sub>; DIN 51109
Shear Modulus 134 GPa
19400 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 6.50 µm/m-°C

@Temperature 20.0 - 200 °C
3.61 µin/in-°F

@Temperature 68.0 - 392 °F
DIN EN 821-1
7.10 µm/m-°C

@Temperature 20.0 - 400 °C
3.94 µin/in-°F

@Temperature 68.0 - 752 °F
DIN EN 821-1
7.50 µm/m-°C

@Temperature 20.0 - 600 °C
4.17 µin/in-°F

@Temperature 68.0 - 1110 °F
DIN EN 821-1
8.10 µm/m-°C

@Temperature 20.0 - 1000 °C
4.50 µin/in-°F

@Temperature 68.0 - 1830 °F
DIN EN 821-1
Specific Heat Capacity 0.900 J/g-°C

@Temperature 20.0 - 100 °C
0.215 BTU/lb-°F

@Temperature 68.0 - 212 °F
DINV ENV 821-3
Thermal Conductivity 24.0 W/m-K

@Temperature 20.0 - 100 °C
167 BTU-in/hr-ft²-°F

@Temperature 68.0 - 212 °F
DIN EN 821-2
Maximum Service Temperature, Air 1300 °C
2370 °F
Maximum Service Temperature, Inert 1300 °C
2370 °F
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+7 ohm-cm

@Temperature 800 °C
>= 1.00e+7 ohm-cm

@Temperature 1470 °F
IEC 672-1
>= 1.00e+11 ohm-cm

@Temperature 400 °C
>= 1.00e+11 ohm-cm

@Temperature 752 °F
IEC 672-1
>= 1.00e+14 ohm-cm

@Temperature 20.0 °C
>= 1.00e+14 ohm-cm

@Temperature 68.0 °F
IEC 672-1
Dielectric Constant 10

@Frequency 1.00e+7 Hz
10

@Frequency 1.00e+7 Hz
IEC 672-1
Dielectric Strength 20.0 kV/mm
508 kV/in
IEC 672-1
Dielectric Loss Index 0.0010

@Frequency 1.00e+7 Hz
0.0010

@Frequency 1.00e+7 Hz
IEC 672-1
Descriptive Properties Value Comments
Color White
Thermal Shock Resistance R1 (K) 118
R1 = [s? (1-µ)] / (a·E)
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