zirconia fiber insulating board

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-19 06:37
Browse the number: 21
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Product details
Description of product
Name: Zirconia fiber board
Ingredient: Yttria stabilizd Zirconia fiber
Advantages: With certain strength and hardness
Good heat preservation and insulating property
Low thermal conductivity 
ultra-high temperature stability
can proess and change it’s bulk density
Applications: Can use for thermal insulation materials of high-temperature industrial furnace, the liner of furnace for grown high temperature crystals,the protection of oxygen sensors or carbon sensors, nuclear fusion test


Technical Data
Ingredient ZrO2+HfO2 Y2O3 SiO2 Fe2O3 TiO2 Al2O3 CaO MgO
Content(%) 85 15 0.06 0.02 0.01 0.01 0.02 0.01
Bulk density(g/cm³) 0.6 1.0 2.0
Porosity% 95 85 70
Fusing point℃ 2690 2690 2690
Compressive strength(Mpa)
(Parallel to the direction of thickness) 4.52 9.52 19.52
Thermal expansivity
(room temperature 1180℃)
(perpendicular to the direction of thickness) 3.7x10-6 6.7x10-6 4.7x10-6
Linear Shrinkage
(perpendicular to the direction of thickness)% 1650℃ 1h 0 0 0
1650℃ 24h 0.2 0.1 0.1
2000℃ 0.5h 2.0 2.0 1.0
thermal conductivity W/m.k
(Parallel to the direction of thickness) 400℃ 0.05 0.08 0.10
1000℃ 0.08 0.12 0.12
1180℃ 0.10 0.13 0.14
1450℃ 0.12 0.15 0.17
1650℃ 0.18 0.20 0.22
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