Specifications
Low thermal conductivity and shrinkageLow heat storage
Excellent resistance against chemical attack
Easy to machine ,
Ceramic Fiber Insulating Board for Kiln
1.low thermal conductivity , low thermal capacity
2.High compression strength
3..High thermal stability ,resistance to thermal shock,flame and airflow attack
4.Resistance to corrosion,high compressive strength.
5.High toughness,easy to cut and install quickly
6. Accurate dimension and good palneness;
Typical Application
1.Refractory lining for industrial furnaces
2.Combustion chamber liner, boilers and heaters
3.Back-up insulation for monolithic refractories
4.Transfer of non-ferrous metals
5.Expansion joiot boards
6.Barrier against flame
Ceramic Fiber Insulating Board Technical index
Item | COM | ST | HP | HA | HZ |
Specification(°c) | 1100 | 1260 | 1260 | 1360 | 1430 |
working tem(°c) | ≤1000 | 1050 | 1100 | 1200 | 1350 |
color | white | ||||
density(kg/m3) | 280-600 | ||||
rate of liner(%) (24h density320kg/m3) | -4 | -3 | -3 | -3 | -3 |
rate of thermal conductivity (w/m.k)(density128kg/m3) | 0.085(400°c) 0.132(800°c) 0.18(1000°c) | ||||
tensile strength(mpa) | 0.08-0.12 |
Chemical Composition
Chemical(%) | COM | ST | HP | HA | HZ |
Al2O3 | 44 | 46 | 47-49 | 52-55 | 39-40 |
Al2O3+SiO2 | 96 | 97 | 99 | 99 | -- |
Al2O3+SiO2+ZrO2 | -- | -- | -- | -- | 99 |
ZrO2 | - | - | - | - | 15-17 |
Fe2O3 | <1.0 | 0.2 | 0.2 | 0.2 | 0.2 |
Na2O+K2O | ≤0.5 | 0.2 | 0.2 | 0.2 | 0.2
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1.low thermal conductivity , low thermal capacity
2.High compression strength
3..High thermal stability ,resistance to thermal shock,flame and airflow attack
4.Resistance to corrosion,high compressive strength.
5.High toughness,easy to cut and install quickly
6. Accurate dimension and good palneness;