Index
Item               

Magnesia brick

High quality magnesia brick

MZ-91

MZ-89

MZ-87

LMZ-95

LMZ-93

MgO % ≥

91

89

87

94.5

93

CaO % ≤

3

3

3

2.0

2.0

SiO2 % ≤

2.5

3.5

Refractoriness under ℃≥

1550

1540

1520

1650

1620

A.P. % ≤

18

20

20

18

17

C.C.S (Mpa) ≥

58.8

49

39.2

50

65

Linear change after reheating %(1650x2h)

0-0.5

0-0.6

0-0.6

0-0.4