Refractories For Heavy Non-ferrous Metals
Common magnesium chrome brick
Apparent Porosity (%) ≤16
Bulk Density (g/cm3) ≥3.30
Cold Crushing Strength (Mpa) ≥40
0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1700
PRODUCT DESCRIPTION
Introduction:
Common magnesia‑chrome bricks are basic refractories produced from sintered magnesite and chrome ore. They feature a silicate‑bonded grain structure, high refractoriness, and excellent resistance to alkaline slag. Their primary applications include cement rotary kilns, steelmaking furnaces, and non‑ferrous smelting operations.
Features:
l High strength
l Corrosion resistance
l Erosion resistance
l Excellent slag resistance
l Good thermal shock stability
It is made with sintered magnesia and refractory level chrome ore as raw materials. The space between refractory grains is bonded with silicate. The domestic so-called Magnesia –Chrome bricks.
The refractoriness of magnesia chrome bricks is more than 2000℃, and the refractory under load is above 1550℃. Good steady volume in high temperature, the performance of meeting sudden cold and sudden hot are better than magnesia bricks.
Applications:
l Non-Ferrous Metallurgy Industry
l Cement Rotary Kiln
l Steel & Iron Industry
TECHNIQUE DATA
Item | Behaviors | ||||
Magnesia Chrome Bricks | |||||
TY-DMC-40 | TY-DMC-20 | TY-DMC-12 | TY-DMC-8 | ||
Chemical composition | MgO % | 35 | 60 | 70 | 70 |
SiO2 % | 1.0 | 1.0 | 2.0 | 2.0 | |
Cr2O3 % | 40 | 20 | 12 | 8 | |
Apparent Porosity% | 16 | 16 | 18 | 18 | |
Cold Crushing Strength Mpa | 40 | 40 | 40 | 40 | |
0.2Mpa Refractoriness Under Load T0.6 | 1700 | 1700 | 1650 | 1650 | |
Bulk Density g/cm3 | 3.3 | 3.15 | 3.05 | 3.0 | |
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