Today is£º
Low Creep Brick for Hot-Blast Stove£¨Counter 1   Addtime£º2006-7-5 21:56:18£©
Brand name
Item

X-H21

X-H22

X-H23

X-H24

X-H26

X-H27

X-231

X-HSPCD

Al2O3 ¡Ý%

75

80

65

65

60

50

65

50

Fe2O3 ¡Ü%

1£®00

1£®00

1£®00

1£®00

1£®00

1£®00

1£®00

2£®00

Apparent porosity 

20

21

19

23

23

23

20

24

Bulk density 

2£®60

2£®65

2£®45

2£®40

2£®30

2£®20

2£®1

2£®1

Cold crushing strength ¡ÝMPa

55

45

55

45

40

40

60

35

Refracoriness ¡Ý¡æ

1850

1850

1850

1820

1790

1770

1790

Linear change after heating£¨3h£©

(1550¡æ) 0.2

(1550¡æ)
0.2

(1450¡æ) 0.2

(1400¡æ)
0.2

(1300¡æ)
0.2

(1270¡æ)
0.2

(1450¡æ)
0.2

Creep 0.2Mpa(50h) ¡Ü%

(1450¡æ) 0.8

(1450¡æ) 0.8

(1450¡æ) 1.0

(1400¡æ)
0.8

(1300¡æ)
0.8

(1270¡æ)
0.8

(1450¡æ)
0.7

 
 

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