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牌號 
Brand

化學成份 
Chemical Analysis(%)

物理指標 
Fhysical Properties

MgO

≥

Fe₂O₃

≤

Al₂O₃

≤

SiO₂

≤

CaO

≤

耐壓 
C.C.S
(Mpa)

顯氣孔 
A.P
(%)

體密 
B.D
(g/cm³)

荷軟 
Refractoriness
Under load(℃)

MFe-85

85

6-8

1.0

3.5

2.0

80

17

2.95

1550

MFe-80

80

10-12

1.0

3.0

1.8

70

17

2.98

1500