Refractory brick

Products

Refractory brick

  • Details

Product Description:

1.Made by flint clay clinker and binder,through Crushing,Mixing,Shaping,Drying and high temperature Sintering.

2.Al2O3 content is 30%-48%,SiO2 content is 50%-65%,and a small number of alkali metals,alkaline earthmetal oxides TiO2,Fe2O3 etc.

3.Mineral composition is usually mullite, quartz and glass phase.

Product features and advantages:

1Great wear Resistance

2.Great thermal conductivity

3.Great resistance to impact

4.Great slag resistance

Product Paramenters:

Refractory brick index

Item

Fire Clay Brick

High Alumina Brick

SK-32

SK-34

SK-36

SK-38

AL203%(≥)

35

38

55

70

Fe2O3%(≥)

2.5

2

2

2

Refractoriness

32

34

36

38

(SK)

1710

1750

1790

1850

Refractoriness under load 0.2Mpa. (≥)

1300

1350

1450

1550

Apparent Porosity(%)

22-26

20-24

20-23

20-22

Bulk Density(g/cm3)

1.95-2.1

2.1-2.2

2.25-2.4

2.4-2.6

Cold Crushing Strength,Mpa(≥)

20

25

40

50

Size

230*114*65/75MM


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