ZHMGe-6

ZHMGe-8

ZHMGe-9

ZHMGe-12

ZHMGe-16

ZHMGe-18

Chemical Composition(％)

MgO

≥80

≥75

≥75

≥ 65

≥60

≥60

Cr2O3

≥6

≥8

≥9

≥12

≥16

≥20

SiO3

≤1.8

≤1.8

≤1.8

≤2.5

≤2.8

≤2.8

Bulk Density(g/cm3)

≥2.90

≥2.95

≥3.0

≥3.0

≥3.05

≥3.10

Apparent Porosity(%)

≤18

≤17

≤17

≤17

≤17

≤17

Cold Crushing Strength(MPa)

≥50

≥50

≥50

≥50

≥45

≥45

Refractoriness Under Load(℃)

T0.6

≥1600

≥1650

≥1700

≥1700

≥1700

≥1700

Thermal Shock Resistance, Cycles,(1100℃,Water Cooling) 

≥4

≥5

≥7

≥7

≥7

≥7