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PRODUCT
blast furnace lining gunning mix

item 

index 

ZPB 1

ZPB 2

chemical component

Al 2 O 3 ,

37

48

SiO 2 ,

51

46

Fe 2 O 3 ,

2.0

0.8

folding strenth after burning 

MPa

11024h

11.5

9.0

13503h

12.0

13.0

hot folding strength

MPa

600

10.2

9.5

1000

18.6

14.0

linear change after burning

11024h

0.10

0.06

13503h

0.05

1.0 1.0

apparent porosity after burning 

11024h

16.0

18.0

13503h

23.5

22.0

volume density after burning

g/cm 3

11024h

2.15

2.21

13503h

2.08

2.18

 additional water capacity

10 12

9 11

usage

furnace shaft    middle and upper 

furnace shaft under-part 

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