High Alumina firebrick

Name

High Alumina Brick and  High Alumina Brick for Blast Furnace

Items

TN-80

TN-75

TN-60

GL-65

GL-55

Refractoriness(°C)≥

1790

1790

1770

1790

1770

Chemical Component(%)

Al2O3 ≤

80

75

60

65

55

Fe2O3 ≥

2

2

Compressive Strength(MPa) ≥

60

55

50

58.8

58.8

Refiring Linear Change Rate(%)

1450°C X 3h

 +0.1~-0.4

  +0.1~-0.4

 +0.1~-0.4

0~0.2

0~0.2

Apparent Porosity (%) ≤

23

23

22

19

19

Refractoriness Under Load (°C)≥

1520

1500

1470

1500

1480

Name

Current Silica Bricks

Light Silica Bricks

Items

GZ-95

GZ-94

GZ-93

QG-1.2

Refractoriness(°C)≥

1710

1710

1690

1670

Chemical Component(%)

SiO2 ≥

95

94

93

91

Volume Density  (g/cm³) ≤

2.39

2.38

2.37

1.2

Compression Strength ( MPa ) ≥

29.4

24.5

20.5

19.5

Refractoriness Under Load (°C)≥

1650

1640

1620

1560

Apparent Porosity (%) ≤

22

23

25

25

Name

Magnesia Carbon Brick for Electric Furnace and Converter

Items

MT-10A

MT-10B

MT-10C

MT-14A

MT-14B

MT-14C

MT-18A

MT-18B

MT-18C

Chemical Component(%)

MgO

80

78

76

76

74

74

72

70

70

C

10

10

10

14

14

14

18

17

18

Volume Density(g/cm³)≥

2.95

2.85

2.8

2.9

2.82

2.77

2.9

2.82

2.77

Compressive Strength(MPa) ≥

40

35

30

40

35

25

40

35

25

Breaking Strength(MPa) ≥

6

5

4

14

8

5

12

7

4

Apparent Porosity (%) ≤

4

5

6

4

5

6

3

4

5

Name

Phosphate Brick

Phosphate wear-resistant Brick

Items

P-80

PA-80

Refractoriness(°C)≥

1770

1770

Chemical Component(%)

Al2O3 ≥

75

77

Volume Density  (g/cm³) ≥

2.65

2.7

Compression Strength (MPa) ≥

65

68

Refractoriness Under Load (°C)≥ (0.2MPa,T0.6)

1350

1330