Magnesia Brick

The products are fused magnesia as main raw material, after a reasonable size distribution, high pressure forming, high-temperature sintering. The product has strong resistance to slag corrosion ability and high temperature dimensional stability. Mainly used in glass furnace regenerator, the...

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Product Details

The products are fused magnesia as main raw material, after a reasonable size distribution, high pressure forming, high-temperature sintering. The product has strong resistance to slag corrosion ability and high temperature dimensional stability. Mainly used in glass furnace regenerator, the upper part.
The regular magnesia bricks are made from dense dead burned magnesia that makes the bricks in good refractoriness, corrosion-resistance, and widely used in checker chamber of glass tank, lime kiln, non-ferrous metallurgical furnaces, open heart furnace, iron mixer and EAF of steel-making, and also ferro-alloy furnace, etc.


 Product Index

Unit

Magnesia Brick

Magnesia-alumina brick

Magnesia - zirconia brick

Magnesia-chromite brick

MZ-92

MZ-95

MZ-97

MZ-80A

MZ-80B

MG-1

MG-2

MGZ-12

MGZ-9

MGZ-6

MGZ-4

MgO ≥

92

95

97

80

80

73

77

60

70

75

80

CaO ≤

2.5

2.0

2.0

Al2O3≥

5-10

5-10

SiO2 ≤

4.0

2.0

1.0

3.2

3.0

2.8

2.5

ZrO2 ≥

12

12

Cr2O3 ≥

12

9

6

4

Apparant Porosity

18

18

18

18

20

18

16

19

19

18

18

Cold
Crushing Strength

Mpa

60

60

60

40

30

65

70

35

40

40

40

Refractoriness under Load

1600

1600

1700

1600

1580

1600

1660

1580

1600

1600

1600

1650℃x2h
Reheating Linear Change

+0
-0.5

+0
-0.3

+0
-0.2

Bulk Density

g/cm3

2.88

2.9

3.0

2.8

2.8

3.0

3.1

3.0

2.98

2.95

2.93

Application

1.The regenerative chamber for the ceramic frit kiln, sodium silicate and glass furnace;
2.The furnace lining of iron and steel industry, such as ferroalloys furnace, metal mixer;
3.The non-ferrous metallurgy industrial furnace lining, such as the furnace copper, lead, zinc, tin, etc;
4.The lining for cement rotary kiln;
5. Calcining kiln, shaft kiln and tunnel kiln for refractory material industry.



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