Microtherm Group Super A Alumina Based Thermal Insulation

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Microtherm Group Super A Alumina Based Thermal Insulation
Categories:	Ceramic; Oxide; Aluminum Oxide; Other Engineering Material
Material Notes:	Microtherm® Super A is an alumina based form of Microtherm® high temperature thermal insulation. It is available in various densities and it is normally supplied without any coating or covering materials for final shaping or machining by the customer. Properties Microporous insulation offering very low thermal conductivity at ultra high temperatures Super A grade capable of continuous operation at temperatures up to 1150°C (2012°F) Non combustible Environmentally friendly Free of harmful respirable fibers. Typical applications Compact, ultra high temperature protection Steel making - high temperature operating capability at slag line SOFC Fuel Cells stack insulation - Microtherm® Super A Block can be used where Silica may contaminate stack components Information provided by Microtherm.
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Physical Properties	Metric	English	Comments

Density	0.450 - 0.500 g/cc	0.0163 - 0.0181 lb/in³
Thickness	3000 - 80000 microns	118 - 3150 mil

Mechanical Properties	Metric	English	Comments
Compressive Strength	0.540 MPa	78.3 psi	Resistance at 10%, 450 kg/m³; ASTM C165
Compressive Modulus	0.00430 GPa	0.624 ksi	@ 450 kg/m³; ASTM C165

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	0.630 J/g-°C @Temperature 0.000 °C	0.151 BTU/lb-°F @Temperature 32.0 °F
	0.890 J/g-°C @Temperature 200 °C	0.213 BTU/lb-°F @Temperature 392 °F
	0.990 J/g-°C @Temperature 400 °C	0.237 BTU/lb-°F @Temperature 752 °F
	1.04 J/g-°C @Temperature 600 °C	0.249 BTU/lb-°F @Temperature 1110 °F
	1.07 J/g-°C @Temperature 800 °C	0.256 BTU/lb-°F @Temperature 1470 °F
Thermal Conductivity	0.0280 W/m-K @Temperature 100 °C	0.194 BTU-in/hr-ft²-°F @Temperature 212 °F	@ 450 kg/m³; ASTM C177, ISO 8302
	0.0290 W/m-K @Temperature 200 °C	0.201 BTU-in/hr-ft²-°F @Temperature 392 °F	@ 450 kg/m³; ASTM C177, ISO 8302
	0.0331 W/m-K @Temperature 400 °C	0.230 BTU-in/hr-ft²-°F @Temperature 752 °F	@ 450 kg/m³; ASTM C177, ISO 8302
	0.0386 W/m-K @Temperature 600 °C	0.268 BTU-in/hr-ft²-°F @Temperature 1110 °F	@ 450 kg/m³; ASTM C177, ISO 8302
	0.0435 W/m-K @Temperature 800 °C	0.302 BTU-in/hr-ft²-°F @Temperature 1470 °F	@ 450 kg/m³; ASTM C177, ISO 8302
Maximum Service Temperature, Air	1150 °C	2100 °F	for long term exposure

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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