Brand

LMLGe-75

LMLGe-80

MgO ， %

≥75

≥80

Cr 2 O 3 , %

≥3

≥3

AL 2 O 3 ， %

≥7

≥7

Apparent Porosity (%)

≤18

≤18

0.2MPa Refractoriness Under Load T0.6( o C)

≥1650

≥1680

Cold Crushing Strength(MPa)

≥35

≥40

Thermal shock resistance （ 1100 o C water- cooling)

≥8

≥10