Low thermal conductivity
Excellent thermal stability
Low heat storage
High mechanical strength
Easy to install and high safety
Excellent thermal shock resistance
Technical Index
Item Product | COM | ST | HP | HA | HZ | |
Classification Temp(℃) | 1100 | 1260 | 1260 | 1360 | 1430 | |
Working Temp (℃) | <1000 | 1050 | 1100 | 1200 | 1350 | |
Fiber dia(um) | Blowing | 2~3 | 2~3 | 2~3 | 2~3 | 2~3 |
Swinging | 3~4.5 | 3~4.5 | 3~4.5 | 3~4.0 | 3~4.0 | |
Chemical composition(%) | 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+Fe2O3 | ≤0.5 | 0.5 | 0.2 | 0.2 | 0.2 |