High zirconium ceramic fiber board

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Product Description:

Specifications

Zirconium ceramic fiber blanket
AL2O3: 39%-40%, Fe2O3: 0.2%
Bulk density:260-320kg/m3
Working temperature:1350 Celsius degree

Ceramic fiber board :

1) Low thermal conductivity

2) Low thermal capacity

3) Good thermal shock resistacne

4) Flexible and tearing resistance

5) No asbestos and anti-corrosive

6) Good electric and sound insulation

7) Good mechanical working performance

8) Even thickness and density

Item:

Common

Standard

High pure

High alumina

Zirconium

Classification tempC

1100

1260

1260

1360

1430

Working temp oC

< 1000

1050

1100

1200

1350

Color

white

Pure white

Pure white

Pure white

Pure white

Bulk density (kg/m3)

260
320

260
320

260
320

260
320

260
320

Permanent linear shrinkage(%)

(After 24 hours,density 320kg/m3)

4
(1000oC)

3
(1000oC)

3
(1100oC)

3
(1250oC)

-3
(1350oC)

Thermal conductivity (w/m.k)

(density 285kg/m3)

0.085(400oC)

0.132(800oC)

0.18(1000oC)

0.085(400oC)

0.132(800oC)

0.18(1000oC)

0.085(400oC)

0.132(800oC)

0.18(1000oC)

0.085(400oC)

0.132(800oC)

0.18(1000oC)

0.085(400oC)

0.132(800oC)

0.18(1000oC)

Tensile strength (MPa)
(Thermal shrinkage 10%)

0.5

0.5

0.5

0.5

0.5

Chemical composition (%)

AL2O3

44

46

47-49

52-55

39-40

AL2O3+SIO2

96

97

99

99

AL2O3+SIO2+ZrO2

-

-

-

99

ZrO2

-

-

-

15-17

Fe2O3

<1.2

<1.0

0.2

0.2

0.2

Na2O+K2O

≤0.5

≤0.5

0.2

0.2

0.2

Size

600×400×10-50, 900×600×20-50 or according to buyers requirement


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