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Fireclay Bricks

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Offering fire clay brick: *
Feature:

  • Fire clay brick for blast furnace are used in the part of throat, stack, hearth, bottom for a small blast furnace and the stack for a big blast furnace.
  • Fire clay brick for blast furnaces have the following good features: High compressive strength in normal temperature, High ability for anti-abrasion during work.
Specifications

Fire clay bricks are

  • High tempreture endurable
  • great bulk density
  • Perfect quality
  • Fireclay brick are used in the part of bottom and inner site of the furnace.
  • Fire clay brick have the following good features:
  • High compressive strength in normal temperature
  • High ability for anti-abrasion during work
  • Low shrinkage degree under high temperature so as to maintaining an integrity of the furnace lining;

Detail specification for Fire clay bricks

Clay bricks

Item

SK30

SK32

SK34

Al2O3 (%)

30

32~36

42

Fe2O3(%)

3

2.5

2.0

Compressive Strength (MPa)

15

20

25

Refractoriness°C

1710

1710

1740

Apparent Porosity (%)

24

24

24

Bulk Density (g/cm3) (min.)

2..0

2..0~2..05

2.1~2.17

Reheat line change (%)

1350°C

+0.1- -0.4

+0.1- -0.4

1420°C

+0.2-

-0.2

Refractoriness under load (0.2MP)°C

1300

1340

1350

Fire clay bricks typical application:
  • Furnace of metallurgy industry,heat treatment furnace
  • Furnace of chemical industry and construction industry.
  • Tunnel kiln car,shuttle kiln car Typical application

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