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Ordinary high alumina bricks

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Technical Indicators


Index item

CJ-LZ-48

CJ-LZ-55

CJ-LZ-65

CJ-LZ-70

CJ-LZ-75

CJ-LZ-80

Al2O3,%,

48

55

65

70

75

80

Fe2O3,%,

2.0

2.0

2.0

2.0

2.0

2.0

Density, g/cm3

2.2

2.2

2.2

2.5

2.5

2.6

0.20 MPa Load softening start temperature, ≥℃

1420

1450

1500

1510

1520

1530

Apparent porosity %,

24

24

26

26

26

23

Normal atmospheric temperature Compressive strength ,a/MPa,

40

45

50

55

60

70

Heating Permanent Line Change:    /%

1450x2h

-0.4-0.1

1450x2h

-0.4-0.1

1450x2h

-0.4-0.1

1450x2h

-0.4-0.1

1500x2h

-0.4-0.2

1500x2h

-0.4-0.2

Note:








Index item

CJ-LZ-55G

CJ-LZ-65G

CJ-LZ-75G

Al2O3,%,

55

65

75

Fe2O3,%,

2.0

2.0

2.0

Density, g/cm3




0.20 MPa Load softening start temperature, ≥℃

1470

1500

1520

Apparent porosity %,

19

19

19

Normal atmospheric temperature Compressive strength ,a/MPa,

50

60

65

Heating Permanent Line Change:    /%

1500x2h

-0.2-0

1450x2h

-0.2-0

1500x2h

-0.2-0.1

Note:

“G” is a brick for blast furnace

 

“G” is a brick for blast furnace

 

“G” is a brick for blast furnace

 


Tel: 0086-533-3190823

caojian@cj-ceramicfiber.com


 

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