Tijolo de dolomite

  • MgO+CaO% (≥):92-94;
  • CaO% (≥):18-48;
  • Apparent Porosity(%):15.0;
  • Cold Crushing Strength (MPa):60;
  • Certificação: ISO9001/ISO14001/ISO45001/ISO50001;
  • Sample: testing of sample is available;

Description of Dolomite Brick

Dolomite bricks, also known as magnesia-calcium bricks and MgO-CaO bricks, are refractory products made of 55-75% MgO and 18-42% CaO plus other binders and additives. Due to the combination of high-quality materials, dolomite high-temperature refractory bricks have high temperature resistance, thermal stability and alkalinity, making them very suitable for various harsh environments.

Kerui Dolomite Brick Technique Data

Item/Grau MG-20 MG-20A MG-30 MG-30A MG-40 MG-40A MG-50
ω (CaO)/% μ0 ≥ 18 28 38 48
ω (MgO+CaO)/% μ0 ≥ 92 94 92 94 92 94 94
ω (SiO2+Al2O3+Fe2O3)/% μ0 ≤ 3 2.5 3 2.5 3 2.5 2.5
Porosidade aparente/% μ0 ≤ 15
Resistência ao esmagamento a frio/MPa μ0 ≥ 60
0.2MPa Refractoriness Under Load T0.6/℃ μ0 ≥ 1650 1700 1650 1700 1650 1700 1700

Advantages of Dolomite Brick

1. High refractoriness 2. Good thermal shock resistance 3. Low porosity 4. Good slag resistance

Application of Dolomite Brick

Dolomite bricks are widely used in various high-temperature industrial fields. They are commonly applied in steelmaking furnaces, such as electric arc furnaces and ladles, as well as in cement kilns and glass furnaces to resist high temperatures and protect the furnace linings.

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