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品級(jí) Grade

MgO (min.)

Sio₂ (max.)

CaO (max.)

fe₂O₃ (max.)

Al₂O₃ (max.)

L.O.I (max.)

B.D(g/m₃) (min.)

MS-98

98%

0.41%

0.52%

0.47%

0.17%

0.16%

3.40

MS97

97%

0.6%

0.5%

0.5%

0.3%

0.3%

3.40

MS96

96%

1.0%

1.5%

0.5%

0.6%

0.5%

3.30

MS95

95%

2.2%

1.6%

0.8%

1.0%

0.3%

3.20

MS94

94%

2.8%

1.6%

1.0%

1.0%

0.3%

3.20

MS93

93%

3.5%

1.6%

1.0%

1.2%

0.3%

3.18

MS92

92%

3.5%

1.6%

1.0%

1.2%

0.3%

3.18

MS91

91%

4.0%

1.6%

1.1%

1.5%

0.3%

3.18

MS90

90%

4.5%

2.0%

1.2%

1.5%

0.3%

3.18

MS88

88%

4.0%

5.0%

1.4%

1.5%

0.5%

3.20

MS87

87%

7.0%

2.0%

1.7%

1.5%

0.5%

3.20

MS84

84%

9.0%

2.0%

2.0%

1.8%

0.5%

3.20

MS83

83%

5.0%

5.0%

2.2%

1.8%

0.8%

3.18