Zircar Zirconia HfF-15 Hafnia Knit Textile Insulation

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Zircar Zirconia HfF-15 Hafnia Knit Textile Insulation
Categories:	Ceramic; Machinable Ceramic; Oxide
Material Notes:	Our hafnia (HfO2) fibers and textiles are made by the same unique Zircar process used for manufacturing yttria-stabilized zirconia cloths and felts. Our high purity hafnia fiber and textiles are offered in six different standard product forms; bulk fiber Type HfBF, two felts Types HfF-50 and HfF-100 and three types of knit cloth Types HfK-15, HfW-15 and HfW- 30. Features: High Purity High Temperature Stability Low Thermal Conductivity Excellent Thermal Shock Resistance No Outgassing Six Different Product Formats Offered Available ‘Off the Shelf’ Application Information: Hafnia is used as ultra high temperature insulation for nuclear meltdown experiments. Information provided by Zircar Zirconia.
Key Words:	HfO2, hafnium oxide
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Physical Properties	Metric	English	Comments

Bulk Density	1.10 g/cc	0.0397 lb/in³
Loss On Ignition	0.00 % @Temperature 950 °C, Time 3600 sec	0.00 % @Temperature 1740 °F, Time 1.00 hour
Porosity	89 %	89 %	Bulk
Outgassing - Total Mass Loss	0.00 %	0.00 %

Thermal Properties	Metric	English	Comments
Melting Point	2758 °C	4996 °F
Shrinkage	6.0 % @Temperature 1650 °C, Time 3600 sec	6.0 % @Temperature 3000 °F, Time 1.00 hour

Component Elements Properties	Metric	English	Comments
Fe2O3	0.012 %	0.012 %
HfO2	>= 99 %	>= 99 %
SiO2	<= 0.010 %	<= 0.010 %
ZrO2	0.026 %	0.026 %

Descriptive Properties
Tensile Strength per Unit Width	100 gram/cm width

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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C6ZIR033 / 2789

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