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refractory brick
refractory brick

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The main applications of clay brick are the low temperature parts such as blast furnaces and hot blast furnaces

Item

SK-32

SK-34

SK-36

SK-38

Al2O3 (%)

35

38

55

70

Fe2O3 (%)

3.00

2.50

2.00

2.00

Refractoriness(SK)

32

34

36

38

Refractoriness

1710

1730

1760

--

Refractoriness under load0.2MPa

1300

1350

1450

1520

Porosity (%)

22-26

20-24

20-23

20-22

Bulk density (g/cm3)

2.05

2.10-2.2

2.25-2.35

2.40-2.50

Cold crushing strength (MPa)

22

25

45

50

Thermal expansion at 1000°C (%)

0.6

0.6

0.3

0.2

Clay brick use Chamotte that the fire clay is calcinated as the main material. These bricks consist of fire clay and binder. The chemical components of these bricks are SiO2 and Al2O3

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