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镁碳砖 Magnesia-Carbon Bricks

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Corrosion resistance against basic melt or gas

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Resistance to slag penetration

Common application:

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working lining in slag zone for steel furnaces and refining vessels

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lining tap holes

指标 Spec

牌号 Brand

BMT
10A

BMT
10B

BMT
10C

BMT
14A

BMT
14B

BMT
14C

BMT
18A

BMT
18B

BMT
18C

MgO % min

80

78

76

76

74

74

72

70

70

C % min

10

10

10

14

14

14

18

18

18

显气孔率Apparent porosity, ≤ %

4

5

6

4

5

6

3

4

5

体积密度 Density, ≥ g/cm3

2.90

2.85

2.80

2.90

2.82

2.77

2.90

2.82

2.77

常温耐压强度,
Cold crushing strength, ≥ MPa

40

35

30

40

35

25

40

35

25

高温耐压强度High temperature crushing strength (1400C x 30min), MPa

6

5

4

14

8

5

12

7

4