Specifications
Low thermal conductivity and shrinkageLow heat storage
Excellent resistance against chemical attack
Easy to machine ,
Lower Thermal Conductivity Ceramic Fiber Board For Kiln
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1.The?ceramic?fiber?board?are?made?of?different?refractory?fiber?bulks?with?excellent?chemical?stability,organic?and?inorganic?bond?bywet?method.
with?a?characteristics?of?hard,?flexible,excellent?strength?and?resistance?against?corrosion.
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2.Typical Application
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1).Refractory lining for industrial furnaces
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2).Combustion chamber liner, boilers and heaters
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3).Back-up insulation for monolithic refractories
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4).Transfer of non-ferrous metals
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5).Expansion joiot boards
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6).Barrier against flame
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?Technical index | 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 |
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Chemical Composition (%) ?? | 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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* low thermal conductivity , low thermal capacity
* High compression strength
* High thermal stability ,resistance to thermal shock,flame and airflow attack
* Resistance to corrosion,high compressive strength.
* High toughness,easy to cut and install quickly
* Accurate dimension and good palneness;
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