Refractory Bricks
Trough blast furnace refractory castable

Trough blast furnace refractory castable

Refractory castable for trough of blast furnace is featured with high corrosion resistance, high mechanical strength, low porosity, high oxidation resistance and high thermal shock resistance

Brands

 

Items

Main ditch furnace refractory castable

Indisputable ditch furnace castable

Dregs ditch furnace castable

iron runner

slag-line

sow channel

slag runner

Chemical composition % not less than

Al2O3

75

59

61

62

SiC

10.0

30.0

13.0

15.0

BD g/cm3       not less than

110×4h

2.92

2.79

2.42

2.55

1450×24h

2.88

2.75

2.4

2.4

CCS Mpa         not less than

110×24h

31.04

28.7

8.5

17

1450×24h

42.96

43.68

27

32

MOR Mpa          not less than

110×24h

4.75

4.36

-

-

1450×24h

5.71

5.91

-

-

PLC (1450×2h) %

±1.0

-0.10

0.1

0.3


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