The product is characterized by lower impurity ,good resisitance to corrosion and good thermal stability,high refractoriness.
Direct-bonded magnesia-chrome brick ,Semi-bonded magnesia-chrome brick,Semi-bonded again magnesia-chrome brick ,Bonded again magnesia-chrome brick is made of hig -quality magnesia and chromium ore,mold by high-pressure and fired by high temperature.
The product is characterized by lower inpurity ,good resistance to corrosion and good thermal stability,high refractoriness and sticking easily on kiln wall, is widely used in the large dry process cement rotary kiln buring zone.
products \index\unit | code | SiO2≤% | Cr2O3 ≥ % | MgO≥% | CaO≤% | Bulk Density≥ g/cm3 | Apparent Porosity ≤ % | Cold crushing strength ≥ MPa | Refractoriness under load ≥(0.2Mpa) °C |
| Direct-bonded magnesia-chrome brick | DMC-12 | 1.5 | 12 | 65 | 2.98 | 18 | 40 | 1700 | |
| DMC-8A | 1.5 | 8 | 80 | 2.95 | 18 | 45 | 1700 | ||
| DMC-8B | 2.0 | 8 | 78 | 2.93 | 18 | 45 | 1650 | ||
| DMC-8C | 3.0 | 8 | 75 | 2.9 | 18 | 45 | 1600 | ||
| Semi-bonded magnesia-chrome brick | SMC | 3.5 | 6 | 72 | 2.95 | 18 | 40 | 1600 | |
| Semi-bonded again magnesia-chrome brick | SAMC16 | 1.5 | 16 | 60 | 3.05 | 17 | 50 | 1700 | |
| SAMC20 | 1.5 | 20 | 55 | 3.12 | 17 | 50 | 1700 | ||
| Bonded again magnesia-chrome brick | AMC16 | 1.4 | 16 | 60 | 3.05 | 16 | 50 | 1700 | |
| AMC20 | 1.5 | 20 | 55 | 3.12 | 16 | 50 | 1700 | ||
| Magnesia brick | MZ-92 | 4.0 | 92 | 2.5 | 2.86 | 18 | 60 | 1570 | |
| DM-95 | 2.0 | 94.5 | 2.0 | 2.92 | 18 | 50 | 1650 | ||
| DM-97 | 1.2 | 96.5 | 1.5 | 2.98 | 17 | 50 | 1700 | ||
| DM-98 | 0.6 | 97.5 | 1.2 | 3.02 | 17 | 50 | 1700 | ||
| Magnesia-aluina brick | MA-80A | 80 | 2.85 | 18 | 40 | 1600 | |||
| MA-80B | 80 | 2.85 | 19 | 30 | 1580 | ||||
| Magnesia spinel brick | MAS-80 | 1.0 | 80 | 2.95 | 18 | 45 | 1700 | ||
| MAS-75 | 3.0 | 75 | 2.85 | 19 | 40 | 1650 | |||
| Magnesia-zircon brick | YQMZ-A | 77 | 3.05 | 17 | 60 | 1650 | |||
| YQMZ-B | 80 | 3.00 | 18 | 60 | 1630 |
Magnesia Series Refractory
