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CeramTec Rubalit® HSS Alumina, 75% (High Strength Substrate)

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® HSS Alumina, 75% (High Strength Substrate).pdf
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Material Notes:
Rubalit® HSS (High Strength Substrate) displays the successful union of elasticity and strength. The ultrafine microstructure of Rubalit® HSS is the basis for its outstanding substrate surface quality. A high and consistent surface quality allows for the scale of integration and power density that will in the future be required as a result of component miniaturization. With their thermal cycling resistance and excellent thermal conductivity, Rubalit® HSS substrates are ideal for advanced processes and applications. Rubalit® HSS opens potentials in applications involving heavy mechanical loads combined with extreme demands in terms of thermal cycling resistance and surface quality. Combined with new high caliber technologies, this offers many potentials for the future. Innovative solutions will allow access to new applications in the automotive, power supply, sensor, durable goods, telecom, medical, and aerospace industries.
Physical Properties Metric English Comments
Density 4.35 g/cc
0.157 lb/in³
DIN EN 993: part 2
Water Absorption 0.00 %
0.00 %
ASTM C373-88
Particle Size 2.0 µm
2.0 µm
Medium Grain (d50)
Thickness 200 - 400 microns
7.87 - 15.7 mil
Mechanical Properties Metric English Comments
Modulus of Elasticity 335 GPa
48600 ksi
DIN V ENV 843-2
Flexural Strength 700 MPa
102000 psi
Bending Strength; 3-point method (30 mm/15 mm); 15 x d (mm); DIN EN 843-1
800 MPa
116000 psi
Bending Strength; Double-Ring (40 mm/20 mm); 0.63 mm; DIN EN 1288
Thermal Properties Metric English Comments
CTE, linear 8.20 µm/m-°C

@Temperature 20.0 - 300 °C
4.56 µin/in-°F

@Temperature 68.0 - 572 °F
DIN 51045
8.80 µm/m-°C

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

@Temperature 68.0 - 1110 °F
DIN 51045
9.50 µm/m-°C

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

@Temperature 68.0 - 1830 °F
DIN 51045
Specific Heat Capacity 0.690 J/g-°C
0.165 BTU/lb-°F
ASTM-E1269
Thermal Conductivity 22.0 W/m-K
153 BTU-in/hr-ft²-°F
DIN EN 821: part 2; Laserflash
Electrical Properties Metric English Comments
Volume Resistivity 1e+05

@Temperature 600 °C
1e+05

@Temperature 1110 °F
IEC 345
1.00e+7 ohm-cm

@Temperature 400 °C
1.00e+7 ohm-cm

@Temperature 752 °F
IEC 345
1.00e+10 ohm-cm

@Temperature 20.0 °C
1.00e+10 ohm-cm

@Temperature 68.0 °F
IEC 345
1.00e+10 ohm-cm

@Temperature 200 °C
1.00e+10 ohm-cm

@Temperature 392 °F
IEC 345
Dielectric Constant 9.0

@Frequency 1.00e+9 Hz
9.0

@Frequency 1.00e+9 Hz
IEC 250
12.5

@Frequency 1.00e+6 Hz
12.5

@Frequency 1.00e+6 Hz
IEC 250
Dielectric Breakdown >= 6250 V

@Thickness 0.250 mm
>= 6250 V

@Thickness 0.00984 in
DIN EN 60243
Descriptive Properties Value Comments
Color Cream
Ra = Arithmetic Mean Roughness Value (µm) Profilometer (cutoff 0.8 mm); DIN ISO 4287
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