Zircon-Mullite Bricks

Itme

Index

MZ-22

MZ-30

MZ-15

Al 2 O 3 , % ≥

55

50

62

SiO 2 , % ≤

25

ZrO 2 , % ≥

22

30

15

Cold Crushing Strength , Mpa

65

65

50

Bulk Density g/cm 3

2.85

2.95

2.70

0.2 Mpa Refractoriness Under Load , ℃ ≥

1600

1600

1650

Apparent Porosity , % ≤

18

18

18

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