It takes high purity magnesite and iron-alumina spinel as main raw material, controlling burning temperature and atmosphere strictly. It has good character of ductility and thermal shock resistance. It is better than high quality mgo-cr brick for being working lining and corrosion resistance. It is new generation product for lining of the large and dry-way cement rotary kiln.
Brand Index | MTJ-85 | MTJ-80 |
MgO (%)≥ | 85 | 80 |
Al2O3(%)≥ | 3 | 3 |
Fe2O3(%)≤ | 5 | 7.5 |
SiO2 (%)≤ | 1.0 | 2.0 |
AP(%)≤ | 16-17 | 16-17 |
B·D (g/cm3)≥ | 2.95 | 2.95 |
CCS(MPa)≥ | 45 | 55 |
0.2MPaRUL | 1680 | 1650 |
Thermal shoct resistance1100℃ | 7 | 8 |
Thermal expansion | 0.9 | 0.9 |
Thermal conductivity1200℃(w/m.k) | 2.5 | 2.5 |