Magnesia Chrome Brick
2.The brick is burned at high temperature over 1600℃.
3.Its principal crystal phase are periclase and magnesia-chrome spinel.
4.Featuring with corrosion resistance,spalling resistance,mainly used in the buring zone of cement rotary kiln.
Technical data sheet
|
Item |
MGe20 |
MGe18 |
MGe16 |
MGe14 |
MGe10 |
MGe8 |
MGe6 |
|
|
≥50 |
≥52 |
≥55 |
≥60 |
≥64 |
≥68 |
≥70 |
≥75 |
|
|
Cr2O3 % |
≥20 |
≥18 |
≥16 |
≥14 |
≥12 |
≥10 |
≥8 |
≥6 |
|
SiO2 % |
≤5 |
≤5 |
≤4.5 |
≤4.5 |
≤4 |
≤4 |
≤3.5 |
≤3.5 |
|
Al2O3 % |
≤6.5 |
≤6.0 |
≤6.0 |
≤5.0 |
≤5.0 |
≤4.5 |
≤4.0 |
≤3.5 |
|
Fe2O3 % |
≤10 |
≤10 |
≤10 |
≤9.0 |
≤6.5 |
≤6.0 |
≤5.5 |
≤5.0 |
|
CaO % |
≤1.5 |
≤1.5 |
≤1.5 |
≤1.8 |
≤1.8 |
≤1.8 |
≤2.0 |
≤2.0 |
|
Cold Crushing Strength Mpa |
≥40 |
≥40 |
≥35 |
≥35 |
≥35 |
≥30 |
≥30 |
≥30 |
|
Apparent Porosity % |
≤15 |
≤15 |
≤16 |
≤16 |
≤16 |
≤17 |
≤17 |
≤17 |
|
Bulk Density g/cm3 |
≥3.10 |
≥3.10 |
≥3.05 |
≥3.05 |
≥3.05 |
≥3.0 |
≥3.0 |
≥3.0 |
|
Refractoriness Under Load °C |
≥1680 |
≥1680 |
≥1650 |
≥1600 |
≥1600 |
≥1600 |
≥1580 |
≥1580 |
Feature
1.High temperature strength,
2.Strong corrosion resistance,
3.Good thermal shock resistance and slag resistance,
4.Strong resistance against alkaline substances.
Common magnesia chrome brick can be used in cement rotary kiln,glass kiln regenerative chamber,glass tank furnace,steel furnace lining, refining ladle,non-ferrous metallurgical furnace,lime kiln,mix iron furnace,open hearth furnace.
