CeramTec Rubalit® 710 Alumina, 99.6%

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CeramTec Rubalit® 710 Alumina, 99.6%
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Rubalit® 710 (99.6%) is an alumina that produces optimum results and is considered the material of choice for thin-film technology. Its characterizing features are high strength and thermal conductivity.
Key Words:	Al2O3, aluminum oxide
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Physical Properties	Metric	English	Comments

Density	3.90 g/cc	0.141 lb/in³	DIN EN 623-2 / ASTM-C373 / ASTM-C20
Water Absorption	0.00 %	0.00 %	DIN EN 623-2 / ASTM-C373
Particle Size	2.0 µm	2.0 µm	Median Grain (d50)

Mechanical Properties	Metric	English	Comments
Tensile Modulus	350 GPa	50800 ksi	Young's; DINV ENV 843-2 / ASTM-F417
Flexural Strength	400 MPa	58000 psi	Bending Strength; Dual Ring Method (0.63 mm Substrate Thickness); DIN 52292

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+9 ohm-cm @Temperature 900 °C	1.00e+9 ohm-cm @Temperature 1650 °F
	1.00e+13 ohm-cm @Temperature 25.0 °C	1.00e+13 ohm-cm @Temperature 77.0 °F	ASTM-D257
	1.00e+13 ohm-cm @Temperature 500 °C	1.00e+13 ohm-cm @Temperature 932 °F
Dielectric Constant	10.1 @Frequency 1e+6 Hz	10.1 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-C150
	10.1 @Frequency 1e+9 Hz	10.1 @Frequency 1e+9 Hz	IEC 672-1 / ASTM-C150
Dielectric Breakdown	>= 10000 V @Thickness 1.00 mm	>= 10000 V @Thickness 0.0394 in
Dielectric Loss Index	0.00020 @Frequency 1e+6 Hz	0.00020 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-D149,150

Thermal Properties	Metric	English	Comments
CTE, linear	6.80 µm/m-°C @Temperature 20.0 - 200 °C	3.78 µin/in-°F @Temperature 68.0 - 392 °F
	7.50 µm/m-°C @Temperature 20.0 - 600 °C	4.17 µin/in-°F @Temperature 68.0 - 1110 °F	ASTM-C373
	8.50 µm/m-°C @Temperature 20.0 - 1000 °C	4.72 µin/in-°F @Temperature 68.0 - 1830 °F
Thermal Conductivity	28.0 W/m-K	194 BTU-in/hr-ft²-°F	DIN EN 821-2 / ASTM-C408

Component Elements Properties	Metric	English	Comments
Al2O3	99.6 %	99.6 %

Descriptive Properties
Color	White
Ra = Arithmetic Mean Roughness Value (µm)	Profilometer (0.8 mm Cutoff)
Te Value (°C)	> 1000

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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