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þ⾧ʯש

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þ⾧ʯש
(MLJ) 
ߴþɰͺϳþ⾧ʯɰΪҪԭϣΪþʯͼ⾧ʯƷĸܺãȶԸߣǿ㷺ӦˮתҤɴҤҸ塢ʯҤͻ¯Ҥȶ仯IJλȡ

 

                             
þ⾧ʯש
Magnesia-Alumina Spinel Brick

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Brand

MLJ-75A

MLJ-75B

MLJ-80

MLJ-85A

MLJ-85B

MLJ-93A

MLJ-93B

ѧɷ/ %,

Chemical composition

MgO

75

75

80

85

82

88

85

Al2O3

5-10

5-8

9

9

9

5

5

SiO2

0.6

1.0

1.5

0.6

2.5

0.6

2.0

/ %,

Apparent porosity

17

17

17

16

17

16

17

ܶg/cm3

Bulk Density

2.95

3.05

2.95

2.95

2.95

2.95

2.95

ѹǿ/ MPa,

Crushing strength

45

45

45

45

40

45

40

Load softening point

1700

1700

1700

1700

1700

1700

1700

ȶ1100һˮ

Thermal shock stability 1100  water

10

10

10

12

10

12

10