Has good tenacity, high compressive strength, good flatness and mechanical process ability.Widely used in all kinds of kilns.
Ceramic fiber board is made of ceramic fiber cotton and has good tenacity, high compressive strength, good flatness and mechanical process ability. Ceramic fiber board is widely used in all kinds of kilns and heating devices as its liner materials.
Index
Item
PXW-B
CXW-B
LXW-B
ZXW-B
General
High pure
High aluminium
zirconium
Classification temperature
1100
1260
1360
1430
Working temperature
1000
1100
1200
1350
Colour
white
white
white
white
Bulk densitykg/m3
260
320
260
320
260
320
260
320
Rate of linear change%
Bulk density 128kg/m3
-4
(1000,24h)
-3
(1100,24h)
-3
(1250,24h)
-3
(1350,24h)
thermal conductivity,W/m·KBulk density 128kg/m3
0.085(400)
0.131(800)
0.180(1000)
0.085(400) 0.131(800) 0.180(1000)
0.085(400)
0.131(800)
0.180(1000)
0.085(400)
0.131(800)
0.180(1000)
Tensile strengthMPa
Bulk density 128kg/m3
0.5
0.5
0.5
0.5
Composition %
Al2O3
44
4749
52-55
39-40
Al2O3+SiO2
96
99
99
-
Al2O3+SiO2+ZrO2
-
-
-
99
ZrO2
-
-
-
15-17
Fe2O3
1.2
0.2
0.2
0.2
Na2O+K2O
≤0.5
0.2
0.2
0.2
Sizemm
General size specification600×400×550900×600×550
