Chemical Composition

Product Brand

LZMGe-8A

LZMGe-8B

LZMGe-8C

LZMGe-8D

DMC-9A

DMC-9B

MgO,%

≥70

≥70

≥70

≥70

≥70

≥70

Cr 2 O 3 ,%

≥8

≥8

≥8

≥8

≥9

≥9

SiO 2 , %

≤1.5

≤2.5

≤3.0

≤3.5

≤2.8

≤3.0

Apparent Porosity(%)

≤18

≤18

≤19

≤21

≤19

≤19

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

≥1700

≥1700

≥1650

≥1650

≥1600

≥1580

Cold Crushing Strength(MPa)

≥ 40

≥40

≥40

≥35

≥40

≥40

Thermal shock resistance （ 1100 o C water- cooling)

*

*

*

*

≥4

≥4