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Zircar Zirconia ZYZ-6 Zirconia Boards and Discs Insulation

Category Ceramic , Machinable Ceramic , Oxide , Zirconium Oxide
Manufacturer Zircar Zirconia
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Zircar Zirconia ZYZ-6 Zirconia Boards and Discs Insulation.pdf
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Material Notes:
Type ZYZ Boards and Discs are rigid, refractory structures composed of yttria-stabilized zirconia fibers that are bonded with silica. This unique composition provides Type ZYZ insulation with the low thermal conductivity of zirconia fibers combined with the strength and machinability of a silica bonded material. ZYZ is evenly bonded, allowing it to be machined to tight tolerances and intricate shapes. ZYZ has a lower coefficient of thermal expansion than our Type ZYFB materials. Type ZYZ is ideally suited for thermal insulation and protection applications under conditions of ultra-high temperatures and in a variety of severe environments. ZYZ is fired at a high temperature to impart good dimensional stability up to 1650°C. ZYZ has good hot strength up to 1400°C and can be used as a self supporting setter for loads equal to twice its own weight up to this temperature. ZYZ produces no smoke or odor and undergoes no physically disruptive phase transitions when heated. ZYZ is available in two forms. ZYZ-3 has a bulk density of 30 pcf and possesses extremely low thermal conductivity. ZYZ-6 has a bulk density of 60 pcf and is stronger than ZYZ-3. Zirconia loses a small amount of oxygen at very high temperatures in vacuum and inert or reducing atmospheres. Although this reaction results in a color change from white to gray, other properties remain essentially unchanged and insulation effectiveness is not impaired.Features: Rigid and MachinableSilica Bond for Thermal Shock ResistanceAvailable in Two Densities; 30 & 60 pcfExtreme High Temperature StabilityFibers Stabilized with ~10 wt% YttriaLow Thermal ConductivityCan be Cemented with Zircar Zirconia Cement Type ZR-CECan be Surface Hardened with Zircar Zirconia Rigidizer Type ZR-RIGPre-fired and Organic FreeInformation provided by Zircar Zirconia.
Physical Properties Metric English Comments
Bulk Density 0.960 g/cc
0.0347 lb/in³
Porosity 85 %
85 %
Outgassing - Total Mass Loss 0.00 %
0.00 %
In vacuum
Mechanical Properties Metric English Comments
Flexural Strength 1.74 MPa
252 psi
Parallel to thickness
Compressive Yield Strength 0.920 MPa
133 psi
Parallel to thickness @ 10% compression
Thermal Properties Metric English Comments
CTE, linear 9.00 µm/m-°C

@Temperature 20.0 - 1250 °C
5.00 µin/in-°F

@Temperature 68.0 - 2280 °F
Thermal Conductivity 0.160 W/m-K

@Temperature 400 °C
1.11 BTU-in/hr-ft²-°F

@Temperature 752 °F
0.200 W/m-K

@Temperature 800 °C
1.39 BTU-in/hr-ft²-°F

@Temperature 1470 °F
0.230 W/m-K

@Temperature 1100 °C
1.60 BTU-in/hr-ft²-°F

@Temperature 2010 °F
0.250 W/m-K

@Temperature 1400 °C
1.74 BTU-in/hr-ft²-°F

@Temperature 2550 °F
0.270 W/m-K

@Temperature 1650 °C
1.87 BTU-in/hr-ft²-°F

@Temperature 3000 °F
Melting Point 2200 °C
3990 °F
Maximum Service Temperature, Air 1650 °C
3000 °F
Continuous
1700 °C
3090 °F
Intermittent
Softening Point 1275 °C
2327 °F
Dilatometric @ 10psi
Shrinkage 1.60 %

@Temperature 1650 °C,
Time 3600 sec
1.60 %

@Temperature 3000 °F,
Time 1.00 hour
perpendicular to thickness
2.60 %

@Temperature 1650 °C,
Time 86400 sec
2.60 %

@Temperature 3000 °F,
Time 24.0 hour
perpendicular to thickness
Component Elements Properties Metric English Comments
HfO2 1.0 - 2.0 %
1.0 - 2.0 %
Y2O3 10 %
10 %
ZrO2 83 - 84 %
83 - 84 %
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