Specifications
Standard ceramic fiber board
Classification temperature:1260
Working temperature:1050
Bulk density kg/m3 : 260 to 320
Ceramic fiber board with the following features:
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
Applications:
1) High temperature furnace lining of the kiln, kiln car Furnace Door baffle, furnace temperature separation plate.
2) High temperature equipment thermal insulation.
3) General high temperature insulation.
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Item:
|
Common
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Standard
|
High pure
|
High alumina
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Zirconium
|
|
Classification temp C
|
1100
|
1260
|
1260
|
1360
|
1430
|
|
Working temp oC
|
< 1000
|
1050
|
1100
|
1200
|
1350
|
|
Color
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white
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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
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600×400×10-50, 900×600×20-50 or according to buyers requirement
|
|
Ceramic Fiber Insulation