Magnesium Bricks
Magnesium Bricks is a kind of alkali refractory with over 90% MgO content and adopts the periclase as the main crystal phase with various properties of high refractoriness and good alkali slag erosion resistance, which is mainly used in basic open hearth furnace for steelmaking and hearth and wall of electric stove.
Description for Magnesium Bricks
Magnesium bricks are the main product of alkali refractory and is fired under the high temperature with high refractoriness and resistance to iron oxides and alkali slag and high calcium flux erosion, which is widely used for metallurgical furnaces.
Classification of Magnesium Bricks
Magnesia refractory has MgO as the main component and periclase as the main crystal phase, which is classified into the following types:- Common magnesia brick
- Directly combine magnesia brick
- Magnesia silica brick
- Magnesia chrome brick
- Forsterite brick
- Magnesia alumina brick
- Magnesia-calcium brick
Technical Index
| Magnesia Brick |
| Index | Brand |
| MZ-89 | MZ-91 | MZ-95 | MZ-97 |
| MgO % ≥ | 89 | 91 | 94.5 | 96.5 |
| CaO % ≤ | 3 | 2.5 | 2.0 | 1.5 |
| Apparent Porosity % ≤ | 20 | 18 | 17 | 16 |
| Cold Crushing Strength Mpa ≥ | 50 | 60 | 65 | 70 |
| 0.2Mpa Initial Soften Temperature ºC | 1540 | 1550 | 1620 | 1700 |
| The Volume Density (g/m2) | 2.8 | 2.86 | 2.95 | 3.1 |
| Reheating Linear Change (%) 1650 ºC 2h | 0.6 | 0.5 | 0.4 | 0.4 |
| Reference Standard | GB2275-87 |
Performance of Magnesium Bricks
- With higher refractoriness
- Good resistance to alkali slag erosion
- High initial refractoriness under load
Application of Magnesium Bricks
Magnesium Brick can be used in the high heat furnace and stove for resistance to alkali erosion, such as:- Basic open hearth furnace for steelmaking
- Hearth and wall of electric stove
- Permanent lining of oxygen converter
- Non-ferrous smelting furnace
- High-temperature tunnel kiln
- Lining of rotary cement kiln
- Hearth and wall of heating furnace
- Checker brick for regenerative chamber of glass melting furnace
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Sinocean Industrial Limited is an investor, producer and supplier of calcined bauxite & refractory products to a wide variety of industries throughout the world.
Our factory has the well-equipped facilities and excellent skills throughout all stages of production, which makes annual capacity exceeds 60, 000 tons. Good quality raw materials, process making strictly, uniform sintering and compact structure, which gained the superior and satisfactoried bauxite. Based on bauxite, we develop different kinds of refractory fire bricks and castables serving steel plant, iron making plant, glass factory, cement plant etc.
Sinocean mainly produce welding grade bauxite, HFST bauxite, porcelain insualtor bauxite, cement grade bauxite, refractory grade bauxite, refractory fire bricks, refractory castables, insulation materials, and further more, we have close relationship with producers ofdead burnt maganisiaand calcined kaolin due to our long business involved in refractory and abrasive industries.
Sinocean is growing fast but always holds principle of first quality, best service and last price. Sinocean has become one global leading supplier of calcined bauxite.
