Direct-bonded Magnesia Chrome Brick
2. High strength,corrosion resistance,excellent slag resistance and thermal shock stability.
3.Application:buring zone of new-type cement furnace,regenerative chamber of glass furnace.
Item |
MGe20 |
MGe18 |
MGe16 |
MGe14 |
MGe10 |
MGe8 |
MGe6 |
|
≥58 |
≥62 |
≥65 |
≥70 |
≥70 |
≥73 |
≥75 |
≥78 |
|
Cr2O3 % |
≥20 |
≥18 |
≥16 |
≥14 |
≥12 |
≥10 |
≥8 |
≥6 |
SiO2 % |
≤3 |
≤3 |
≤2.5 |
≤2.5 |
≤2.5 |
≤2.2 |
≤2.0 |
≤2.0 |
Cold Crushing Strength Mpa |
≥45 |
≥45 |
≥45 |
≥45 |
≥40 |
≥40 |
≥40 |
≥40 |
Apparent Porosity % |
≤18 |
≤18 |
≤18 |
≤18 |
≤18 |
≤18 |
≤17 |
≤17 |
Bulk Density g/cm3 |
≥3.15 |
≥3.15 |
≥3.15 |
≥3.10 |
≥3.10 |
≥3.10 |
≥3.05 |
≥3.05 |
Refractoriness Under Load °C |
≥1700 |
≥1700 |
≥1700 |
≥1700 |
≥1700 |
≥1700 |
≥1680 |
≥1680 |
Feature
1.Low porosity,high compressive strength,
2.Strong corrosion resistance,
3.Good thermal shock resistance,slag resistance,anti-spalling
Direct-bonded magnesia chrome brick is used in cement rotary kiln,steelmaking electric furnace lining, refining furnace(RH,VOD,EAF), non-ferrous metallurgical furnace, glass kiln regenerative chamber,lime kiln,mix iron furnace,
building materials,copper smelting furnace.