Specifications

Low thermal conductivity and shrinkage
Low heat storage
Excellent resistance against chemical attack
Easy to machine ,

Lower thermal Conductivity Ceramic Fiber Board

 

 

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.

 

2.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

 

 

 

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

 

 

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

 

 

* 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;