• Chrome Corundum Brick
  • Chrome Corundum Brick
  • Chrome Corundum Brick
  • Chrome Corundum Brick

Chrome Corundum Brick

  • Cr2O3 %:≥60
  • AL2O3 %:≤38
  • Apparent Porosity %:≤14
  • Cold Crushing Strength Mpa:≥130
  • Refractoriness Under Load (0.2MPa,0.6%) ℃:≥1700
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  • Overview
  • Technical Data
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Chrome corundum brick is adopted corundum and fused chromium oxide as raw material, mixed with micro powder and other additive, after mixing, shaping, drying, sintering at high temperature shuttle kiln.
Feature:
1. Good wear resistance.
2. Good thermal shock resistance.
3. Good acid and alkali resistance.
Application:
Chrome corundum bricks are mainly used for the linings of carbon soot furnace and copper smelting furnace, the skid rail molten pool of glass furnaces, and tapping platform of rolling mill furnace.

Item

Chrome Corundum Brick

 

PR-60

PR-30

PR-12

Cr2O3            %

60

30

12

AL2O3             %

38

68

80

Fe2O3             %

0.2

0.2

0.5

Apparent Porosity    %

 

14

 

16

 

18

Bulk Density      g/cm3

3.63

3.53

3.3

Cold Crushing Strength Mpa

130

130

120

Refractoriness Under Load (0.2MPa,0.6%)     ℃

1700

1700

1700

Permanent Linear Change Rate(1600℃*3h)    %

±0.2

±0.2

±0.2

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