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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.
Item: | Common | Standard | High pure | High alumina | Zirconium | |
Classification temp C | 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) | 260320 | 260320 | 260320 | 260320 | 260320 | |
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 | |||||
standard ceramic fiber board