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Magnesia brick
    Publish time 2018-03-27 08:51    
Magnesia brick

Magnesia bricks are made of bricks, which are crushed, blended, mixed, and formed. They are fired at high temperatures of 1550-1600°C, and the high-temperature products are fired at temperatures above 1750°C. Mainly used for permanent lining of steelmaking furnace, non-ferrous metal smelting furnace, high temperature tunnel kiln, calcined magnesia brick and cement kiln lining, furnace bottom and furnace wall, glass kiln regenerator respective bricks.

Product index

Project

HY-M89

HY-M91

HY-M95A

HY-96A

HY-97A

HY-M98A

HY-M95B

HY-M96B

HY-M97B

HY-M98B

MgO%≥

89

91

94.5

95.5

96.5

97.5

95

96

97

97.5

Cr2O3%

2.5

2.5

2

1.8

1.5

1.2

2

1.7

1.4

1.2

SiO2≤

-

-

-

2.5

1.5

1.0

2.5

2.0

1.5

1.0

Load softening point（℃）≥

1540

1550

1620

1650

1680

1700

1650

1660

1680

1700

Pressure strength MPa≥

55

55

55

55

55

60

60

60

60

60

Apparent porosity %≤

19

18

18

18

17

17

16

16

16

16