Saxonburg Ceramics S-278 Cordierite

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Saxonburg Ceramics S-278 Cordierite (discontinued **)
Categories:	Ceramic; Oxide; Aluminum Oxide; Silicon Oxide
Material Notes:	Cordierite Ceramics have low coefficients of thermal expansion, providing excellent thermal shock resistance. Applications: Heating Elements, Burner Tips, Thermocouple Insulators Information provided by Saxonburg Ceramics Effective March 12th, 2007, Du-Co Ceramics Company has acquired the assets of Saxonburg Ceramics, Inc.
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Physical Properties	Metric	English	Comments

Bulk Density	2.19 g/cc	0.0791 lb/in³
Porosity	8.0 %	8.0 %

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	20.0 MPa	2900 psi
Flexural Strength	58.6 MPa	8500 psi
Compressive Strength	270 MPa	39200 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	300000 ohm-cm @Temperature 600 °C	300000 ohm-cm @Temperature 1110 °F
	2.80e+6 ohm-cm @Temperature 400 °C	2.80e+6 ohm-cm @Temperature 752 °F
	7.00e+6 ohm-cm @Temperature 500 °C	7.00e+6 ohm-cm @Temperature 932 °F
	6.00e+7 ohm-cm @Temperature 300 °C	6.00e+7 ohm-cm @Temperature 572 °F
	2.30e+9 ohm-cm @Temperature 200 °C	2.30e+9 ohm-cm @Temperature 392 °F
	6.60e+9 ohm-cm @Temperature 100 °C	6.60e+9 ohm-cm @Temperature 212 °F
	8.30e+9 ohm-cm @Temperature 20.0 °C	8.30e+9 ohm-cm @Temperature 68.0 °F
Dielectric Constant	5.08 @Frequency 1e+6 Hz	5.08 @Frequency 1e+6 Hz
	5.11 @Frequency 1e+7 Hz	5.11 @Frequency 1e+7 Hz
Dielectric Strength	2.32 kV/mm	59.0 kV/in
Dissipation Factor	0.0045 @Frequency 1e+7 Hz	0.0045 @Frequency 1e+7 Hz
	0.0065 @Frequency 1e+6 Hz	0.0065 @Frequency 1e+6 Hz
Dielectric Loss Index	0.023 @Frequency 1e+7 Hz	0.023 @Frequency 1e+7 Hz
	0.033 @Frequency 1e+6 Hz	0.033 @Frequency 1e+6 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	3.10 µm/m-°C @Temperature 25.0 - 700 °C	1.72 µin/in-°F @Temperature 77.0 - 1290 °F
Thermal Conductivity	3.77 W/m-K	26.1 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	1230 °C	2250 °F

Descriptive Properties
Te Value, °C	472

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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CSAXON00 / 1974

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