Caustic calcined magnesia uses magnesite ore as raw material which is fired in reflective furnace to finish. It has the features such as stable quality, high purity, high activity.
Grade | QM-85 | QM-87 | QM-90a | QM-90b | QM-92 | QM-94 | QM-95 |
MgO%¡Ý | 85 | 87 | 90 | 90 | 92 | 94 | 95 |
SiO2%¡Ü | 6.0 | 5.0 | 4.0 | 0.7 | 3.0 | 1.0 | 0.6 |
CaO%¡Ü | 2.0-4.0 | 2.0-3.5 | 2.0-2.5 | 1.5 | 2.0 | 1.4 | 1.8 |
L.O.I¡Ü | 8.0-10 | 7.0-9.0 | 6.0-7.0 | 6.0-7.0 | 5.0-6.0 | 4.0-4.5 | 3.0-3.5 |
It is widely used in refractory, chemical industry, buildig material, papermaking and so on.