High Alumina Refractory Bricks

  • High Alumina Refractory Bricks

Product Description And Parameters

Low bulk density

Low thermal conductivity

Good thermal insulation performance

Good integrity with furnace lining

Long service life

Feature For Refractory Brick:

1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable ofr various atmosphere
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
4. Product specification: standard form, normal standard, shaped and special shaped bricks.
5. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.

Applications For Refractory Brick:

1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
4. Standard sizing: 230 x 114 x 65 mm others up to the client

Items

Index

SK-38

SK-37

SK-36

SK-35

 SK-34

Al2O3  %,≥

75

65

55

48

 42

Cold Crushing Strength,  MPa  ≥

54

49

44

40

 20

Apparent Porosity,  %   ≤

23

23

22

22

 26

Refractoriness Under Load, °C ≥

1520

1500

1470

1420

 1300

Linear Change on Reheating, [1500°C×2h]%

+0.1-0.4

+0.1-0.4

+0.1-0.4

+0.1-0.4

0-0.5

Refractoriness, °C ≥

1790

1790

1770

1750

1730

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