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MgO-Al2O3SpinelRefractoryBrickMgO-Al2O3 Spinel RefractoryBrickMgO-Al2O3 Spinel RefractoryBrick

MgO-Al2O3 Spinel Refractory Brick

Feature:

Thermal shock stability is better than the one of magnesia brick, refractoriess is above 1580 ℃, fine erosion to the basic smelting slag.

 

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Description

It is one kind of basic refractory brick. It is made of magnesia sand and little amount of industry alumina or bauxite as raw material, burned.

 

Application:

Mainly used in furnace roof of the steel-making open-hearth and EAF, high temperature tunnel kiln, large cement rotary kiln, non-ferrous metal smelting furnace, etc.

 

Parameter

Chemical and Physical Properties

Item

Brand

MgO

(%) ≥

Al2O3

(%) ≥

A. P.

(%) ≤

B. D.

(g/cm3) ≥

C . C. S.

(MPa) ≥

R. U. L. @ 0.2MPa

&T0.6(℃)≥

T. S. R.@ 1100℃ &

cool water (Times)≥

HXML-80A

80

5-10

18

2.85

45

1600

3

HXML-80B

80

5-10

20

2.80

40

1580

3

HXML-85

85

5-10

19

2.85

45

1650

4

*They are typical values in this table, not a basis for order.

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