Custom Manufacturer supply All grades of Magnesia Bricks with low cost

Item

MZ-91

MZ-92

MZ-93

MZ-94

MZ-97

MgO  ≥

91

92

93

94.5

97

SiO2   ≤

4

3.5

2.5

2

2

Fe2O3  ≤

1.3

-

-

1.2

1.2

CaO  ≤

2.5

2.5

2

1.8

1.8

Apparent Porosity%  ≤

18

18

18

18

18

Bulk Density g/cm3     ≥

2.86

2.9

2.95

2.92

2.95

Cold Crushing Strength Mpa  ≥

60

60

50

60

60

0.2Mpa Refractoriness Under Load T0.6 ℃

≥1570

≥1560

≥1620

≥1650

≥1700

Thermal Shock Resistances 100℃ water cycles

≥18

≥18

≥18

≥18

≥18