Directly-Integrated Magnesia-Chrome Bricks

Itme

LZMGe-8B

LZMGe-12B

DMC-12

MgO, %

≥ 70

≥ 65

≥ 60

Cr 2 O 3 , %

≥ 8

≥ 12

≥ 12

SiO 2 , %

≤ 2.5

≤ 2.5

≤ 3.2

0.2 Mpa Refractoriness Under Load , ℃

≥ 1700

≥ 1700

≥ 1580

Apparent Porosity , %

≤ 18

≤ 18

≤ 19

Cold Crushing Strength , Mpa

≥ 40

≥ 40

35

Bulk Density g/cm 3

——

≥ 3.0

Thermal Shock Resistance

(1100℃ , water) , cycle ≥

——

≥ 4

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