Refractory Bricks
Self-flowing corundum refractory castable

Self-flowing corundum refractory castable

Brands

Items

DFB-I

DFB-II

DFB-III



Al2O3    %                          not less than

80

75

70


Fe2O3  %                          not more than

0.5

0.6

0.7


Refractoriness                      not less than

1790

1780

1770


BD (g/cm3)                          not less than

2.8

2.75

2.7


CCS Mpa     not less than

110×24h   After drying

110

100

80


1100×3h After burning

140

120

100


MOR Mpa    not less than

110×24h   After drying

12

12

10


1100×3h After burning

20

18

16


TSR(1100 water-cooling)

25

28

30


PLC %

110×24h   After drying

–0.20.1

–0.20.1

–0.20.1


1100×3h After burning

–0.10.1

–0.10.1

–0.10.1


CC not less than

1100×3h After burning

4

5

5.5


water needed for installation %

5.5

6

 


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