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Burned Magnesia Brick

Burned Magnesia brick is made from one or two grades of high quality magnesia of different MgO content.

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Fired magnesium brick

Introduction

Burned Magnesia brick is made from one or two grades of high quality magnesia of different MgO content.

The burnt magnesia bricks have two types: common magnesite bricks and high-purity burned magnesite bricks. The ordinary sintered magnesite clinker or high-purity sintered magnesite clinker is used as a raw material, and is burned at a high temperature or a super high temperature.

It has the characteristics of high refractoriness and satisfactory resistance against the iron oxide, basic furnace slag and high calcium solution.


Application

It is widely used in metallurgical furnaces and kilns. The common burned magnesite bricks can be used for permanent lining of converters.


Specification


       Index




Type

MgO

CaO

apparent porosity

Pressure strength at normal temperature

Softening start temperature

Change of calcination line

%

%

%

Mpa

(1650℃)%

1.

≥91

≤3

≤18

≥58

≥1560

≤0.5

2.

≥89

≤3

≤20

≥49

≥1540

≤0.6

3.

≥87

≤3

≤20

≥40

≥1520

≤0.8

P.S.: The size and shape of the brick can be produced as required.


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