CeramTec Sikor® E Cordierite

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CeramTec Sikor® E 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. Sikor® E offers higher compressive strength with slightly lower thermal shock resistance than other cordierites.
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Physical Properties	Original Value	Comments

Density	2.20 g/cc	DIN EN 623-2 / ASTM-C373 / ASTM-C20
Water Absorption	<= 0.10 %	DIN EN 623-2 / ASTM-C373

Mechanical Properties	Original Value	Comments
Tensile Modulus	70.0 GPa	Young's; DINV ENV 843-2 / ASTM-F417
Compressive Strength	500 MPa	ASTM C-773-88 / DIN 51067T1

Electrical Properties	Original Value	Comments
Volume Resistivity	1000 ohm-cm @Temperature 500 °C
	1.00e+12 ohm-cm @Temperature 100 °C	IEC 672-1
Dielectric Constant	5.0 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-C150
Dielectric Loss Index	0.0070 @Frequency 1e+6 Hz	IEC 672-1 / ASTM-D149,150

Thermal Properties	Original Value	Comments
CTE, linear	0.600 µm/m-°C @Temperature 20.0 - 200 °C
	0.800 µm/m-°C @Temperature 20.0 - 600 °C	ASTM-C373
	0.900 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.500 J/g-°C @Temperature 100 - 200 °C	DINV ENV 821-3
Thermal Conductivity	2.00 W/m-K	DIN EN 821-2 / ASTM-C408

Descriptive Properties
Color	Brown
Thermal Shock Resistance R1 (K)	250	Hasselman (Experimental)

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CCERA928 / 107528

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