Magnesia Bricks

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Description
Technical Data
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Description

Magnesia Brick is a magnesium oxide content of more than 90% to the main square periclase crystalline phase of basic refractories
Sintered Magnesia Brick and generally be divided into two major categories of chemically bound Magnesia Brick.
Purity and high temperature sintering brick, periclase grains due to direct contact, called the combination Magnesia brick;
Fused magnesia bricks used as the raw material is called combined fused Magnesia brick.

Magnesia brick advantage

  • Erosion with anti-alkaline strong
  • Strong anti-erosion ability
  • Good thermal stability
  • High strength
  • Load softening temperature advantages,

Application

  • Open-hearth steel
  • Power plant boilers and furnace bottom wall
  • Oxygen conversion boiler permanent lining
  • Non-ferrous metal smelting furnace
  • High-temperature tunnel kiln
  • Calcined Magnesia brick and cement kiln lining
  • Hearth furnace and the furnace wall
  • Glass furnace regenerator checker bricks

Technical Data

ITMEMZ-91MZ-92MZ-93MZ-94
MgO % ≥91929394.5
SiO2 % ≤4.03.52.52.0
Fe2O3 % ≤1.31.2
CaO % ≤2.52.52.01.8
Apparent Porosity% ≤18181818
Bulk Density g/cm3 ≥2.862.902.952.92
Cold Crushing Strength Mpa ≥60605060
0.2Mpa Refractoriness Under Load T0.6 ℃≥1570≥1560≥1620≥1650
Permanent Linear Change On Reheating(%)1500℃X2h0~+0.40~+0.40~+0.40~+0.4
Thermal Shock Resistances 100℃ water cycles≥18≥18≥18≥18

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