MatWeb - Material Property Data Advertise with MatWeb!     Register Now
Data sheets for over 180,000 metals, plastics, ceramics, and composites.
MatWeb - Material Property Data HOME  •   SEARCH  •   TOOLS  •   SUPPLIERS  •   FOLDERS  •   ABOUT US  •   FAQ  •   LOG IN    
Recently Viewed Materials (most recent at top)  

Login to see your most recently viewed materials here.

Or if you don't have an account with us yet, then click here to register.

  Searches:   Advanced  | Category  | Property  | Metals  | Trade Name  | Manufacturer  | Recently Viewed Materials
  

Elmet Technologies

(Viewing data as-entered. Click here to return)
CeramTec Rubalit® 708S Alumina, 96%
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Rubalit® 708S (96%) is an alumina that features high strength and thermal conductivity. It provides outstanding results when used on commercially available thick-film pastes and metallization systems.

Key Words: Al2O3, aluminum oxide
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 3.78 g/ccDIN EN 623-2 / ASTM-C373 / ASTM-C20
Water Absorption 0.00 %DIN EN 623-2 / ASTM-C373
Particle Size 3.0 - 5.0 µmMedian Grain (d50)
 
Mechanical PropertiesOriginal ValueComments
Tensile Modulus 340 GPaYoung's; DINV ENV 843-2 / ASTM-F417
Flexural Strength 400 MPaBending Strength; 4-Point Method (40x4x3 mm³); ASTM-F417
 500 MPaBending Strength; Dual Ring Method (0.63 mm Substrate Thickness); DIN 52292
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+8 ohm-cm
@Temperature 900 °C
 1.00e+12 ohm-cm
@Temperature 500 °C
 1.00e+13 ohm-cm
@Temperature 25.0 °C
ASTM-D257
Dielectric Constant 9.8
@Frequency 1e+6 Hz
IEC 672-1 / ASTM-C150
 10
@Frequency 1e+9 Hz
IEC 672-1 / ASTM-C150
Dielectric Breakdown 7000 V
@Thickness 0.250 mm
 12600 V
@Thickness 0.630 mm
 15000 V
@Thickness 1.00 mm
Dielectric Loss Index 0.00030
@Frequency 1e+6 Hz
IEC 672-1 / ASTM-D149,150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.80 µm/m-°C
@Temperature 20.0 - 200 °C
 7.30 µm/m-°C
@Temperature 20.0 - 600 °C
ASTM-C373
 8.00 µm/m-°C
@Temperature 20.0 - 1000 °C
Specific Heat Capacity 0.800 J/g-°C
@Temperature 100 - 200 °C
DINV ENV 821-3
Thermal Conductivity 24.0 W/m-KDIN EN 821-2 / ASTM-C408
 
Component Elements PropertiesOriginal ValueComments
Al2O3 96 %
 
Descriptive Properties
ColorWhite
Ra = Arithmetic Mean Roughness Value (µm)Profilometer (0.8 mm Cutoff)

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
CeramTec Alunit® HS Aluminum Nitride
CeramTec Alunit® Aluminum Nitride
CeramTec CeramCool® Rubalit® 708 Alumina, 96%
CeramTec Rubalit® 710 Alumina, 99.6%
CeramTec 614/698 Alumina, 96%

CCERA931 / 107531

Please read our License Agreement regarding materials data and our Privacy Policy. Questions or comments about MatWeb? Please contact us at info@matweb.com. We appreciate your input.

The contents of this web site, the MatWeb logo, and "MatWeb" are Copyright 1996-2025 by MatWeb, LLC. MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.