Refractory Brick

Direct-Bonded Magnesia Chromite Bricks

Direct-Bonded Magnesia Chromite Bricks are characterized by low-porosity, high CCS, strong resistance to abrasion, corrosion, thermal shock and spalling.


Product Details


Description of Direct-Bonded Magnesia Chromite Bricks


Direct-Bonded Magnesia Chromite Bricks are composed of high-purity or secondary high-purity or fused magnesia and chrome concentrate. Due to little impurity and sintering at high temperature and ultra high temperature, glass phase concentrates in the triangle zone of the crystalline phase, which are directly bonded to each other. The products are characterized by low-porosity, high CCS, strong resistance to abrasion, corrosion, thermal shock and spalling.


Technical Dates of Direct-Bonded Magnesia Chromite Bricks

 

Item

MgO(%)≥

Cr2O3(%)≥

SiO2(%)≤

A. P.(%)≤

C.C.S.(MPa)≥

R.U.L@0.2MPa &T0.6(℃)≥

T.S.R 1100℃≥

Thermal Expan.(1400℃ ) %

Direct-Bonded Magnesia Chromite Bricks

HXZMGe-8A

80

8

1.5

17

45

1700

6

1.5

HXZMGe-8B

75

8

2.0

18

45

1650



HXZMGe-8C

70

8

3.0

19

40

1600



HXZMGe-12A

75

12

1.5

17

45

1700



HXZMGe-12B

70

12

2.0

18

40

1650



HXZMGe-16A

70

16

1.5

17

45

1700


1.6

HXZMGe-16B

65

16

2.0

18

40

1650



HXZMGe-18A

65

18

1.5

17

45

1700

5


HXZMGe-18B

62

18

2.0

18

40

1650



HXZMGe-20

65

20

1.5

18

40

1700



HXZMGe-22

60

22

2.0

19

40

1700



HXZMGe-26

55

26

2.0

20

40

1700

4

1.8

Semi Direct-Bonded Magnesia Chromite Bricks

HXBMGe-8

70

8

3.5

20

40

1550

5


HXBMGe-12

60

12

3.5

20

35

1600

5

1.5

HXBMGe-16

50

16

3.5

20

35

1600

4