The magnesia bricks are made of dense dead burned magnesia that makes the bricks in good refractoriness and corrosion-resistance. They are widedly used in checcker chamber of glass tant, lime kiln, non-ferrous metallurgical furnace, open hearth furnace, iron mixer and EAF of steel-making, ferro-alloy furnace, etc.
Brand Item |
MZ-91 |
MZ-95 |
MZ-97 |
MZ-98 |
MgO % ≥ |
91 |
95 |
97 |
97.5 |
SiO 2 % ≤ |
/ |
/ |
/ |
0.5 |
CaO % ≤ |
3 |
1.5 |
1.5 |
1.0 |
Refractoriness under load 0.2MPa Ta º C ≥ |
1520 |
1650 |
1700 |
1700 |
Apparent Porosity % ≤ |
20 |
17 |
18 |
17 |
Cold Crushing Strength (MPa) ≥ |
40 |
45 |
45 |
50 |
Applications |
Cement Rotary Kiln, Lime Shaft Kiln |