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Magnesia-alumina Spinel Brick
Description

Description of Magnesia-alumina Spinel Brick:

When the temperature fluctuates, the expansion and contraction of magnesia-alumina spinel bricks are relatively uniform. With better thermal shock resistance, refractoriness under load and strength of magnesia-alumina spinel brick are also better than those of the magnesia bricks. In addition, the ability of magnesia-alumina spinel bricks to resist alkaline slag and iron oxide slag is stronger than that of magnesia bricks. What is more, the resistance of magnesia-aluminum spinel bricks to alkali slag and iron oxide slag is stronger than that of magnesia bricks.

Technique Data

Technique Data of Magnesia-alumina Spinel Brick:

Item

Specification


MLJ-90

MLJ-85

MLJ-80

MLJ-75

MgO  %

90

85

80

75

Al2O3  %

3~8

5~12

8~17

8~12

Apparent Porosity, %

17

17

16

19

Bulk Density, g/cm3

2.95

2.95

2.90

2.85

CCS, MPa

45

45

55

40

0.2MPa RUL

1700

1650

TSR, Cycle 1100Water

3

8

12

8


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