BEIJING SINO STEEL ENGINEERING & EQUIPMENT CO., LTD.
BUILDING OUR FUTURE TOGETHER !
1.1, Shape and Application of Honeycomb:
It is applied for accumulated and releasing the heat in the regenerative type burner.
1.2 Style & Physicochemical
Categories | Name | Cordierite | Mullite | Corundum mullite | Chromium oxide |
Chemical composition | Aluminum oxide Al2O3 | 32-40 | 64-68 | 69-74 | 55-60 |
SiO2 | 42-48 | 25-30 | 18-25 | 27-32 | |
MgO | 5-18 | ≤3.0 | ≤3.0 | ＜1.5 | |
Fe2O3 | ≤1.0 | ≤1.0 | ≤1.0 | ＜1 | |
Physical properties | Density (g/cm3) | ＞2.2 | 2.2-2.4 | ＞2.6 | 2.6-3.2 |
Coefficient of thermal expansion （20-1000℃）10-6.K-1 | 2.0-3.5 | 5.0-6.5 | 4-7 | 4-7 | |
Heat capacity (J/kgk) | 800-1200 | 1100-1300 | 800-1000 | 1000-1500 | |
Heat shock (k) | 250min | 230min | 150min | 120min | |
The maximum operation temperature (℃) | 1400 | 1500 | 1600 | 1650℃ | |
Refractoriness(℃) | 1500＞ | 1790＞ | 1800＞ | 1800＞ |