Zircar Ceramics ZAL-45 Alumina Insulation

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Zircar Ceramics ZAL-45 Alumina Insulation
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	ZAL-45 is an exceptionally strong low density alumina fiber product. Alumina bonded ZAL-45AA is useful in reducing conditions. Information provided by Zircar Ceramics.
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Physical Properties	Metric	English	Comments

Density	0.720 g/cc	0.0260 lb/in³
Open Porosity	70 %	70 %

Mechanical Properties	Metric	English	Comments
Flexural Strength	8.96 MPa @Strain 10 %	1300 psi @Strain 10 %	Load Applied Parallel to Fiber Plane, Strain = load deformation in mils for sample 0.5" * 0.5" * 4"
	8.96 MPa @Strain 15 %	1300 psi @Strain 15 %	Load Applied Normal to Fiber Plane, Strain = load deformation in mils for sample 0.5" * 0.5" * 4"
Compressive Yield Strength	2.62 MPa @Strain 4 %	380 psi @Strain 4 %	Load Applied Normal to Fiber Plane
	3.96 MPa @Strain 14 %	575 psi @Strain 14 %	Load Applied Normal to Fiber Plane
	4.00 MPa @Strain 14 %	580 psi @Strain 14 %	Load Applied Parallel to Fiber Plane
	7.58 MPa @Strain 4 %	1100 psi @Strain 4 %	Load Applied Parallel to Fiber Plane

Thermal Properties	Metric	English	Comments
CTE, linear	5.00 µm/m-°C @Temperature 20.0 - 1000 °C	2.78 µin/in-°F @Temperature 68.0 - 1830 °F
Specific Heat Capacity	1.05 J/g-°C	0.250 BTU/lb-°F
Thermal Conductivity	0.160 W/m-K @Temperature 250 °C	1.11 BTU-in/hr-ft²-°F @Temperature 482 °F	parallel to thickness; ASTM C177-76
	0.430 W/m-K @Temperature 1650 °C	2.98 BTU-in/hr-ft²-°F @Temperature 3000 °F	Parallel to Thickness; ASTM C177-76
Melting Point	1870 °C	3400 °F
Maximum Service Temperature, Air	1650 °C	3000 °F	Continuous
	1700 °C	3090 °F	Intermittent
Shrinkage	0.00 % @Temperature 1500 °C, Time 3600 sec	0.00 % @Temperature 2730 °F, Time 1.00 hour	Perpendicular to Thickness
	3.0 % @Temperature 1600 °C, Time 3600 sec	3.0 % @Temperature 2910 °F, Time 1.00 hour	Perpendicular to Thickness

Component Elements Properties	Metric	English	Comments
Al2O3	85 %	85 %
SiO2	15 %	15 %

Descriptive Properties
Color	White

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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