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Zircar Zirconia ZYF-S.75G Zirconia Felt Insulation

Category Ceramic , Machinable Ceramic , Oxide , Zirconium Oxide
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zircar Zirconia ZYF-S.75G Zirconia Felt Insulation.pdf
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Material Notes:
Zirconia Felt is a true ceramic textile formed by the unique ZIRCAR process for replicating organic structures in inorganic materials. The zirconia felt structure is a ‘needled felt’ which retains its fibrous nature to 2480°C. The stabilized zirconia composition permits the advantages of fibrous insulations to be extended into temperature regions well above the melting temperatures of siliceous and alumina insulation materials.Zirconia Felt Type ZYF-S.75G is ZYF-100 which has been physically filled with 0.75 grams silica per gram ZYF. This filled product retains some flexibility.Features: Low Thermal ConductivityHigh PorosityHigh PurityExtreme High Temperature StabilityFibers Stabilized with ~10 wt% YttriaCustom Fillers and Coatings AvailableCan be Cemented with Zircar Zirconia Cement Type ZR-CEMCan be Rigidized with Zircar Zirconia Rigidizer Type ZIR-RIGEasily Cut to SizeAvailable “Off the Shelf”Application Information: This heavy, silica loaded felt is used as a gasket material in molten carbonate fuel cells. When compressed between the sealing surfaces of the fuel cell container ZYF-S.75G forms a barrier that resists attack from the molten carbonate electrolyte.Information provided by Zircar Zirconia.
Physical Properties Metric English Comments
Bulk Density 0.4806 g/cc
0.01736 lb/in³
Porosity 88 %
88 %
Bulk
Thickness 1780 - 3300 microns
70.0 - 130 mil
Mechanical Properties Metric English Comments
Compressive Yield Strength 0.0896 MPa
13.0 psi
At 10% compression
Thermal Properties Metric English Comments
Shrinkage 5.00 %

@Temperature 1650 °C,
Time 3600 sec
5.00 %

@Temperature 3000 °F,
Time 1.00 hour
1 hour isothermal soak at 3000°F
Component Elements Properties Metric English Comments
Al2O3 <= 0.010 %
<= 0.010 %
HfO2 1.0 - 2.0 %
1.0 - 2.0 %
SiO2 43 %
43 %
ZrO2+Y2O3 >= 56 %
>= 56 %
Descriptive Properties Value Comments
Tensile Strength per Unit Width 1.7 lb/in width
Weight Per Area .22 lb/ft2
Wrapping Diameter Before Breaking >2 in
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