CeramTec 701 Cordierite

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CeramTec 701 Cordierite
Categories:	Ceramic; Oxide; Aluminum Oxide; Magnesium Oxide; Silicon Oxide
Material Notes:	Cordierites have low coefficients of thermal expansion and excellent resistance to thermal shock. They offer a range of thermal expansion, mechanical strength, and porosity criteria. They excel as cost-effective extruded and dry-pressed forms. 701 offers very good thermal shock resistance, good flexural strength, and 0–1% porosity due to its vitrified properties. This cordierite can self-glaze. It is suitable for applications such as commercial heater supports.
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Physical Properties	Metric	English	Comments

Density	2.50 g/cc	0.0903 lb/in³	DIN EN 623-2 / ASTM-C373 / ASTM-C20
Water Absorption	0.00 - 1.0 %	0.00 - 1.0 %	DIN EN 623-2 / ASTM-C373

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	670	670	HV 0.5; DINV ENV 843-4
Tensile Strength at Break	27.5 MPa	3990 psi	ACMA Test #4 / DIN EN 843-1
Tensile Modulus	130 GPa	18900 ksi	Young's; DINV ENV 843-2 / ASTM-F417
Flexural Strength	103 MPa	14900 psi	20 x 40 mm
Compressive Strength	344 MPa	49900 psi	ASTM C-773-88 / DIN 51067T1
Poissons Ratio	0.30	0.30	DINV ENV 843-2
Shear Modulus	53.0 GPa	7690 ksi

Electrical Properties	Metric	English	Comments
Volume Resistivity	19000 ohm-cm @Temperature 900 °C	19000 ohm-cm @Temperature 1650 °F
	770000 ohm-cm @Temperature 500 °C	770000 ohm-cm @Temperature 932 °F
	2.50e+11 ohm-cm @Temperature 100 °C	2.50e+11 ohm-cm @Temperature 212 °F	IEC 672-1
	1.00e+14 ohm-cm @Temperature 25.0 °C	1.00e+14 ohm-cm @Temperature 77.0 °F	ASTM-D257
Dielectric Constant	5.3 @Frequency 1e+6 Hz	5.3 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-C150
Dielectric Strength	7.874 kV/mm	200.0 kV/in	6.35 mm (1/4") IEC 672-1
Dielectric Loss Index	0.025 @Frequency 1e+6 Hz	0.025 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-D149,150

Thermal Properties	Metric	English	Comments
CTE, linear	2.40 µm/m-°C @Temperature 20.0 - 200 °C	1.33 µin/in-°F @Temperature 68.0 - 392 °F
	3.30 µm/m-°C @Temperature 20.0 - 600 °C	1.83 µin/in-°F @Temperature 68.0 - 1110 °F	ASTM-C373
	3.90 µm/m-°C @Temperature 20.0 - 1000 °C	2.17 µin/in-°F @Temperature 68.0 - 1830 °F
Specific Heat Capacity	0.700 J/g-°C @Temperature 100 - 200 °C	0.167 BTU/lb-°F @Temperature 212 - 392 °F	DINV ENV 821-3
Thermal Conductivity	3.20 W/m-K	22.2 BTU-in/hr-ft²-°F	DIN EN 821-2 / ASTM-C408
Maximum Service Temperature, Air	1100 °C	2010 °F

Descriptive Properties
Color	Light Gray
Te Value (°C)	485
Thermal Shock Resistance R1 (K)	600		Hasselman (Experimental)

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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