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Burned Magnesia bricks MGMZ90-MGMZ98 are made from various grades of magnesiaand have good high-temperature performance and strong corrosion resistance.Rebounded magnesia bricks made with fused magnesia have high bulk density, low apparent porosity, and is good at volume stability,
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Burned Magnesia bricks MGMZ90-MGMZ98 are made from various grades of magnesia and have good high-temperature performance and strong corrosion resistance. Rebounded magnesia bricks made with fused magnesia have high bulk density, low apparent porosity, and is good at volume stability, high-temperature strength, and slag resistance. The main applications of magnesia bricks are permanent linings of steel furnaces, lime kilns, glass tank regenerators, torpedo cars and non-ferrous furnaces. Pitch-impregnated rebounded magnesia brick is commonly used in tap hole and easy corrosion areas of non-ferrous furnaces.
Category | Magnesite Bricks | |||||||||||
MG-
Specification | MZ 90 | MZ 91 | MZ 92 | MZ 93A | MZ 93B | MZ 95A | MZ 95B | MZ 96 | MZ 97A | MZ 97B | MZ 98A | MZ 98B |
MgO%≥ | 90 | 91 | 92 | 93 | 93 | 95 | 94.5 | 96 | 97 | 96.5 | 97.5 | 97.3 |
CaO%≤ | 3.0 | 3.0 | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 1.8 | - | - | - | - |
SiO2%≤ | - | - | - | 3.5 | 3.5 | 2.0 | 2.5 | 2.5 | 1.2 | 1.6 | 1.0 | 1.1 |
ZrO2%≥ | ||||||||||||
Cold Crushing Strength (CCS)MPa≥ | 50 | 55 | 55 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
Refractoriness Under Load (RUL)℃≥ | 1500 | 1520 | 1540 | 1620 | 1580 | 1650 | 1650 | 1650 | 1700 | 1700 | 1700 | 1700 |
Apparent Porosity%≤ | 20 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 16 | 17 | 16 | 16 |