牌号 
Brand

化学成份 
Chemical Analysis(%)

物理指标 
Fhysical Properties

MgO

≥

Fe₂O₃

≤

Al₂O₃

≤

SiO₂

≤

CaO

≤

耐压 
C.C.S
(Mpa)

显气孔 
A.P
(%)

体密 
B.D
(g/cm³)

荷软 
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