High Alumina Refractory Bricks for Hot Blast Stove

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
111 m.t./month

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Specifications

The magnesite alumina brick is a kind of high quality basic refractory.

 It contains 7-9% Fe2O3, very small content of SiO2 and CaO,and small content of Cr2O3.The series of high alumina brick feature excellent high temperature mechanics and chemical corrosion resistance to acid and alkali basic solution. They were widely used in metallurgy, petroleum, chemistry, etc.

 

 


ML-80A

ML-80B

ML-85A

ML-85B

ML

MJ-80

Magnesite alumina chrome brick

MgO ≥(%)

80

80

85

85

85-88

78

84

Al2O3 %

5-10

5-10

4-8

4-8

6-8

8-13


Al2O3+Cr2O3%







5-8

Cr2O3%







1-2

0.2MPa Initial softening T

1600

1580

1650

1630

1630

1600

1630

Appearent Porosity≤(%)

18

20

18

19

18

18

17

Cold Crushing Strength

39.2

29.4

45

38

40.6

40

45

Thermal Shock Resistance

3

3

3

3

3

4(no lower than 1100°C

4(no lower than 1100°C)



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