Zircar Zirconia YK-15 Yttria Knit Textile Insulation

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Zircar Zirconia YK-15 Yttria Knit Textile Insulation (discontinued **)
Categories:	Ceramic; Machinable Ceramic; Oxide
Material Notes:	Yttria (yttrium oxide - Y2O3) is typically used as a stabilizer for zirconia. It is offered here in its pure and stable metal oxide form, which is not attacked by most molten metals, including lithium and titanium. Our high purity yttria fiber and textiles are offered in six different standard product forms; bulk fiber Type YBF, two felts Types YF-50 and YF-100 and three types of knit cloth Types YK-15, YW-15 and YW-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: Yttria textiles are used in the development of large grain Rare Earth Barium Copper Oxide (REBCO) melt processed high temperature superconductors (HTS). Information provided by Zircar Zirconia.
Key Words:	Y2O3, yttrium oxide
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Physical Properties	Metric	English	Comments

Bulk Density	0.420 g/cc	0.0152 lb/in³
Loss On Ignition	6.0 % @Temperature 1650 °C, Time 3600 sec	6.0 % @Temperature 3000 °F, Time 1.00 hour
Porosity	92 %	92 %	Bulk
Outgassing - Total Mass Loss	0.00 %	0.00 %

Thermal Properties	Metric	English	Comments
Melting Point	2410 °C	4370 °F
Shrinkage	13 % @Temperature 1650 °C, Time 3600 sec	13 % @Temperature 3000 °F, Time 1.00 hour

Component Elements Properties	Metric	English	Comments
Al2O3	0.0030 %	0.0030 %
Fe2O3	0.020 %	0.020 %
SiO2	0.020 %	0.020 %
Y2O3	>= 99 %	>= 99 %

Descriptive Properties
Tensile Strength per Unit Width	18 gram/cm width

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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C6ZIR031 / 2787

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