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Master Bond adhesives

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CeramTec Rubalit® 708 Alumina, 96%
Categories: Ceramic; Oxide; Aluminum Oxide

Material Notes: Based on 96% aluminum oxide, Rubalit® 708 was developed specifically for making heavy-duty resistors and miniature metal layer resistors. Because of its outstanding strength, this same material is also used for precision wire-wound resistors.

Key Words: Al2O3, aluminum oxide
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Physical PropertiesOriginal ValueComments
Density 3.75 g/cc
Water Absorption 0.00 %ASTM-C373
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell 45 N 78ASTM-E18
Flexural Strength 420 MPaBending Strength; ASTM-F417
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+8 ohm-cm
@Temperature 600 °C
ASTM-D1829
 1.00e+11 ohm-cm
@Temperature 400 °C
ASTM-D1829
 1.00e+12 ohm-cm
@Temperature 200 °C
ASTM-D257
Dielectric Strength >= 10.0 kV/mmASTM-D149
 
Thermal PropertiesOriginal ValueComments
CTE, linear 4.40 µm/m-°C
@Temperature 20.0 - 100 °C
ASTM-C372
 6.30 µm/m-°C
@Temperature 20.0 - 300 °C
ASTM-C372
 7.30 µm/m-°C
@Temperature 20.0 - 600 °C
ASTM-C372
 8.00 µm/m-°C
@Temperature 20.0 - 1000 °C
ASTM-C372
Thermal Conductivity 24.0 W/m-KASTM-C408
Maximum Service Temperature, Air 1400 °C
 
Component Elements PropertiesOriginal ValueComments
Al2O3 96 %
 
Descriptive Properties
ColorWhite
Ra = Arithmetic Mean Roughness Value (µm)0.25-0.35
Te Value (°C)900

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CCERA957 / 107557

Rulon Bearings

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