Characteristic
Low thermal conductivity, low thermal capacity,and excellent thermalinsulation property.
High temperature stability, resistance to thermal shock
Good tensile strength
Excellent sound absorption, fire protection and chemical corrosionresistance.
Application
Mainly serve as the ceramic fiber lining for industrial furnaces, heatingequipment and high- temperature pipelines,such as
Metallurgy Industry: heatingfurnaces,heat treatment furnaces and ladle insulated cover
Mechanism industry: thermal insulation material for electric power boilers,gas turbine engine and nuclear power plant
Petrochemical industry: thelining of high-temperature reaction equipment and heating equipment in chemicalfields,like converting furnaces, constant/reduced pressure furnaces, crackingfurnaces, flue lining.
Ceramics and electroceramics:roller kilns,tunnel kilns ,shuttle kilns and other kinds of furnaces.
Other fields: thermalinsulation for top cover of furnace doors.Fire protection material in highbuildings. High temperature filter material.The lining of hot-air pipes,hightemperature equipment and high-temperature furnaces.
Tech Data
Type | Standard | High Pure | High Aluminum | Zir-Alu | Zirconium | |
Classification Temp(oC) | 1260 | 1260 | 1360 | 1360 | 1430 | |
Working Temp (oC) | 1050 | 1100 | 1200 | 1200 | 1350 | |
Color | Pure white | Pure white | Pure white | pure white | Pure white | |
Density (kg/m3) | 64 | 64 | 96 | 96 | 128 | |
160 | 160 | 160 | 160 | 160 | ||
Permanent linear shrinkage(%)(after24 hours,128kg/m3) | -3 | -3 | -3 | -3 | -3 | |
(1000oC) | (1100oC) | (1250oC) | (1000oC) | (1350oC) | ||
Thermal conductivity (w/m.k),128kg/m3) | 0.09(400oC) | 0.09(400oC) | 0.12(600oC) | 0.132(600oC) | 0.16(800oC) | |
0.16(800oC) | 0.16(800oC) | 0.20(1000oC) | 0.22(1000oC) | 0.20(1000oC) | ||
Tensile strength (Mpa)(128kg/m3) | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | 0.08-0.12 | |
Chemical Composition (%) | Al2O3 | 46 | 47--49 | 52-55 | 45-46 | 39-40 |
Al2O3+SiO2 | 98 | 99 | 99 | - | 81 | |
ZrO2 | - | - | - | 5-7 | 15-17 | |
Fe2O3 | 0.4 | 0.2 | 0.2 | 0.2 | 0.2 | |
Na2O+K2O | ≤0.3 | 0.2 | 0.2 | 0.2 | 0.2 | |
CaO+MgO | 0.2 | 0.2 | 0.2 | - | 0.2 | |
Size (mm) | 14640x610x13; 14640x1220x13; 7200x610x25; 7320x610x25; 7200x1220x25; 3600x1220x50; 3600x610x50; |