RAW MATERIAL FOR RFRACTORY

QM-98

QM-97

QM-96

QM-95

ω(MgO)/%   ≥

98

97

96

95

ω(CaO)/%   ≤

0.3

0.5

1.0

1.5

ω(SiO₂)/%  ≤

0.2

0.5

0.5

1.0

%LOI ≤

1.0

1.0

1.5

1.5

Activity(Citric acid method)   ≤

60

60

60

60

MS-92

MS-93

MS-94

ω(MgO)/%   ≥

92

93

94

ω(CaO)/%    ≤

2.0

1.6

1.5

ω(SiO₂)/%  ≤

3.8

3.5

3.2

ω(AlO₃)/%  ≤

0.7

0.7

0.7

ω(Fe.O.)/%   ≤

1.4

1.4

1.2

  %LOI      ≤

0.4

0.4

0.3

(g/cm³)B.D   ≥

3.20

3.22

3.25

  Synthetic high

Fe,O₃-Cao

clinker

 Synthetic high

Fe.O,-CaC

clinker

  Synthetic high

Fe,O₃-CaO

clinker

 Synthetic high

Fe,O,-Cao

clinker

 Synthetic high

Ee   O-CaO

clinke

 Synthetic high

Fe.O,-CaO

clinker

 Synthetic high

Fe.O,-CaO

clinker

ω(CaO)/  %

7~9

10~15

16~19

21~24

26~29

18~22

18~22

ω(MgO)/% ≥

84

78

74

68~72

66~69

75~78

65~68

ω(Fe₂O₃)/  %

5~7

5~6

4.5~5.5

3~4

3.5~4.5

Fe₂O₃

+

SiO₃

+

Al₂O₃ ≤

3.0

Fe₂O

SiO₂

Al₂O₃ ≤

3.0

ω(Al₂O₃)/% ≤

0.7

0.7

0.6

0.7

0.7

ω(SiO₂)/% ≤

1.2

1.2

1.0

1.2

1.2

%Lol     ≤

0.3

0.3

0.3

0.3

0.3

(g/cm³)B.D ≥

3.28

3.28

3.28

3.25

3.20

3.25

3.20

FM98

FM97

FM96

ω(MgO)/%  ≥

98

97

96

ω(SiO₂)/%  ≤

0.7

0.9

1.8

ω(CaO)/%  ≤

1.0

1.5

2.0

(g/cm³) B.D  ≥

3.50

3.45

3.45