Magnesia Brick
The company uses high-grade magnesia and strict process to produce
magnesium oxide content of more than 90%, with periclase crystalline
phase mainly basic refractories.
Magnesia brick has high refractoriness, good alkali resistance slag
resistance, high load softening starting temperature, but poor thermal
shock resistance. Sintered magnesia bricks to magnesia brick as raw
material, crushing, ingredients, kneading, after molding at a high
temperature 1550 ~ 1600 ℃ firing, high-purity products in firing
temperature above 1750 ℃. Unfired magnesite bricks is added to the
appropriate chemical binding agent in the magnesia by mixing, forming,
drying made.
Mainly used for steelmaking basic open hearth furnace bottom and the
furnace wall, the permanent lining oxygen furnace, non-ferrous metal
smelting furnace, high-temperature tunnel kiln, calcined magnesia brick
and cement rotary kiln lining, furnace and hearth furnace wall, glass
furnace regenerator checker bricks and so on.
| Brand | RZ-MZ-91 |
| MgO % ≥ | 91 |
| CaO % ≤ | 3 |
| Bulk Density %, ≥ | 2.9 |
| Apparent porosity %, ≤ | 18 |
| Crushing Strength /Mpa, ≥ | 60 |
| Permanent linear change /% 1650℃×2h | -0.5-0 |
