Today is£º
Magnesia-Alumina Spinel Brick,Magnesia-Chrome Brick,Unshaped Material for Large Metallurgical Lime Kiln£¨Counter 1   Addtime£º2006-7-5 22:38:37£©
Brand name
Item

Magnesia-chrome spinel bricks 

Magnesia-alumina spinel bricks

XNGe-13

XMLJ-75

XMLJ-70

XMLJ-B

XML-75

MgO ¡Ý¨G

70

75

70

77

75

Al2O3 %

8-15

8-15

19

10

SiO2 ¡Ü¨G

2

1.8

Cr2O3 %

13

Bulk density

2.95

2.95

2.9

3.0

2.95

Apparent porosity 

18

18

19

20

18

Cold crushing strength 

40

50

45

50

45

0.2Mpa Refractoriness under load 

T21700

T21700

1600

T21700

1650

Themal stability£¨1100¡æ£©water

15

8

20

15

Liner expansion

1.1

0.91
 
 

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