Specifications
Ceramic fiber board1.Al2O3:39%-41%
2.SiO2: 52%-54%
3.Low thermal conductivity,save fuel
4.Light weight,Easy to cut.
Introduction of products
COM-260 Ceramic Fiber Board is a lightweight refarctory material processed with alumina-silica fibers for applications at temperatures up to 1430°c
Typical applications
1.Refractory lining for industrial furnaces in walls,roofs,doors,stacks,etc.
2.Combustion chamber liners,boilers and heaters
3.Back-up insulation for brick and monolithic refactories.
4.Transfer of molten aluminum and other non-ferrous metals
5.Expansion joint boards
6.Barrier against flame or heat
7.Hot face layer for high velocity or abrasive fumace atmosphere
Technical indax
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) | 260/320 | ||||
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)
size:
| 0.5
Common specification: 600x400x10-50mm;900x600x20-50mm | ||||
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 | <1.2 | <1.0 | 0.2 | 0.2 | 0.2 |
Na2O+K2O | ≤0.5 | ≤0.5 | 0.2 | 0.2 | 0.2 |
