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Magnesia Bricks

Product: Magnesia Bricks

Category:  sintered Refractories

Application:  glass industry, metallurgical industry, etc.

Item Code: A2101/A2102/A2103/A2104

What are Magnesia Bricks?

Magnesia brick, magnesite brick, or MgO brick, is one kind of basic brick. It is an alkaline refractory material with a magnesium oxide content as the main component. The main crystal is periclase, accounting for 80%-90% of the mass of magnesia bricks.

Magnesia bricks can be divided into two types: sintered magnesite brick and chemical-bonded magnesite brick (or non-sintered magnesite brick). The sintered magnesia bricks with high purity and sintered temperature are called directly bonded magnesia bricks due to direct contact between periclase particles. Sintered bricks produced with fused magnesia as raw material are called rebonded fused magnesia bricks.

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Magnesia bricks applications

Due to their good high-temperature performance and strong resistance to alkaline slag, magnesia bricks are widely used in the glass industry and metallurgical fields.

steelmaking furnace linings

ferroalloy furnaces

iron mixing furnaces in the iron and steel industry

non-ferrous metallurgical industrial furnaces, such as copper, lead, zinc, and Sid furnace linings

building materials Industrial lime kilns

regenerative chambers and heat exchangers of glass furnaces

high-temperature calcining kilns in the refractory industry

shaft kilns tunnel kilns, etc.

Magnesite brick for Sale

High-grade magnesia brick (A2101)

The high-grade magnesia brick is a refractory product made of first-grade magnesium and high-purity magnesium as raw materials, formed by high pressure and sintered at high temperatures. This product has high-temperature resistance and excellent alkali corrosion resistance.

Items BrandHigh-grade Magnesia Brick
MZ-91MZ-93MZ-95MZ-97
MgO%90939597
SiO22.501.20
CaO3.02.502.01.50
A.P20181850
CCSMPa4050501650
0.2MPa RUL1500155016001650

Magnesia-zirconia brick (A2102)

Magnesia-zirconium bricks are made of selected high-quality magnesia-zirconium concentrate and high-quality magnesium-zirconium composite materials. They are formed by high-pressure molding and fired at high temperatures. This product has a uniform phase structure, which gives it unique properties. The periclase and calcium zirconate are directly combined, and the space between the crystal grains is not easily eroded by the liquid phase or slag.

Items BrandMagnesia-zirconia Brick
HTMZr-IHTMZr-II
MgO%7075
ZrO21212
SiO29.53.0
CaO2.06.0
A.P1818
B.Dg/cm33.053.10
CCSMPa5060
TSR (1100℃, Water-cooling Water-cycle)times1520

Direct bonded magnesite chrome brick (A2103)

Direct bonded magnesia bricks are made of selected high-purity magnesia and imported chromium concentrate as the main raw materials, adding a small amount of additives, and are manufactured under high pressure and high temperature. This product has excellent high-temperature resistance and peeling resistance.

Items BrandDirect Bonded Magnesite Chrome Brick
DMC-9ADMC-12HTMGe-16
MgO%706560
SiO22.502.502.50
Cr2O39.012.016.0
A.P191919
CCSMPa404040
0.2MPa RUL T0.6160016001600
TSR (1100 °C, Water-cooling Water-cycle)times455

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