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Magnesia brick

Periclase is magnesia brick’s main crystal phase.Magnesia brick uses high purity magnesia sand as its raw material.

Other name: Magnesite brick/ MgO series brick

Model Number: HCR M91,HCR M93,HCR M95,HCR M97

Certification: ISO9001-14001

Minimum Order Quantity: 5 MT

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Magnesia brick

Magnesia brick Introduction
Periclase is magnesia brick’s main crystal phase.Magnesia brick uses high purity magnesia sand as its raw material.
And its thermal shock resistance is not so good, same with water resistance. Magnesia brick cannot directly touches silica brick under high temperature since magnesia brick’s acid slag resistance not so well.
Magnesia brick Features
1.High electric conductivity under high temperature
2.Good thermal conductivity
3.High refractoriness
4.Good alkali slag resistance
Magnesia brick Physical and Chemical Index

Iterm

HCR M91

HCR M93

HCR M95

HCR M97

MgO min%

91

93

94.5

96.5

SiO₂ MAX%

4

2.5

1.5

1

CaO MAX%

2.5

2

1.5

1.2

Apparent porosity MAX %

18

18

18

17

Bulk Density g/cm³

2.86

2.95

2.95

3.05

Cold Crushing Strength Mpa ≥

50

50

55

60

Refractoriness under load of 0.2Mpa(℃) ≥

1570

1620

1650

1700


Magnesia brick Application
Maily be used in alkali open hearth furnace, lining of oxygen converter furnace, smelting furnace, cement rotary kiln lining and furnace wall, glass furnace chamber, etc.

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