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Magnesia Brick

Magnesia brick Specifications

1.Magnesia Brick Refractory
2.CCS:60mpa,RUL:1700
3.Good erosion resistance
4.High quality
5.Reasonable price


Magnesia Brick Features

Excellent performance of basic slag resistance, high refractoriness, thermal stability, anti-erosion, and anti-peeling
Excellent strength of pressure bending, abrasion-proof
Excellent performance of high-temperature firing, high rates of associative property, anti-erosion ability
Excellent thermal shock resistance and spalling resistance
Excellent ability of high refractoriness, anti-erosion of alkaline residue;
High-temperature load of refractoriness under load. High mechanical strength
High-temperature resistance excellent corrosion resistance
Resistance to spalling

It is basic refractory which the main phase is periclase. The product has such characteristics as high temperature resistance. Good slag resistance. strong corrosion resistance and steady volume in high temperature

Application

Magnesia brick is characterized by high refractoriness, good alkali resistance and superior refractoriness under load, and it is mainly applied to the regenerators of glass kilns and other high temperature furnaces.

Physical and chemical index

Item MZ-91 MZ-92 MZ-93 MZ-94
Chemical composition % MgO  ≥ 91 92 93 94.5
SiO2    4.0 3.5 2.5 2.0
Fe2O3   1.3 1.2
CaO  ≤ 2.5 2.5 2.0 1.8
Apparent Porosity%  ≤ 18 18 18 18
Bulk Density g/cm3      2.86 2.90 2.95 2.92
Cold Crushing Strength Mpa  ≥ 60 60 50 60
0.2Mpa Refractoriness Under Load T0.6 ≥1570 ≥1560 ≥1620 ≥1650
Permanent Linear Change On Reheating(%)1500℃X2h 0~+0.4 0~+0.4 0~+0.4 0~+0.4
Thermal Shock Resistances 100℃ water cycles ≥18 ≥18 ≥18 ≥18

 

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