Name:

Zirconia fiber board

Ingredient:

Yttria stabilizd Zirconiafiber

Advantages:

With certain strength and hardness

Good heat preservation and insulating property

Low thermal conductivity 

ultra-high temperaturestability

can proess and change it’s bulk density

Applications:

Can use for thermal insulation materials of high-temperature industrialfurnace, the liner of furnace for grown high temperature crystals,the protection of Oxygen sensorsor carbon sensors, nuclearfusion test

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℃)

（erpendicular to the direction of thickness）

3.7x10-6

6.7x10-6

4.7x10-6

Linear Shrinkage

（erpendicular to the direction of thickness）

1650℃1h

0

0

0

1650℃24h

0.2

0.1

0.1

2000℃0.5h

2

2.0

1.0

thermal conductivityW/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