Magnesia-Alumina Spinel Bricks (MJ-)
Made of high-purity magnesia and synthetic magnesia-aluminum spinel sand. The main crystal phases are periclase and spinel. The products have good high-temperature performance, high thermal shock stability and strong slag resistance，widely used in cement rotary kiln transition zone,burning zone,lime kiln etc.
| Brand | Chemical Analysia (%) | Physical Property | Description | Application | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SiO2 | Al2O3 | Fe2O3 | CaO | MgO | C.C.S(MPa) | A.P.(%) | B.D.(g/cm3) | R.U.D.(℃) | T.S.R. (950℃ Air Cooling) |
|||
| MJ-85A | 1.2 | 7 | 85 | 45 | 17 | 2.98 | 1700 | >50 | Excellent thermal spalling resistance, good thermal shock stability, good kiln coating adherence | Transition zone and burning zone of cement rotary kiln | ||
| MJ-80A | 1.2 | 8-12 | 80 | 40 | 17 | 2.96 | 1700 | >50 | ||||
| MFA-85 | 1.0 | 4 | 4 | 88 | 60 | 16 | 2.96 | 1600 | >50 | |||
| MFe-90 | 1.2 | 5 | 90 | 60 | 16 | 2.95 | 1600 | >50 | ||||