Chromium Corundum Refractory Bricks
Product Description:
Chromium Corundum Refractory Products take high purity fused white corundum sand as raw material with chromium oxide added, and produced by high-pressure molding and high temperature firing with the features of good thermal shock resistance under high temperature conditions, resistant to erosion, spalling resistance, it is idea refractories for carbon black reactor critical parts.
Technical Parameters:
Project
|
Chromium Zirconium Corundum Bricks | Chromium Corundum Bricks | White Corundum Bricks | |
Refractoriness Under Load ℃ |
>1700 |
>1700
|
≥1700
|
|
Bulk Density
g/cm3 |
≥3.33
|
≥3.3
|
≥3.2
|
|
Apparent Porosity
% |
≤17
|
≤19
|
≤20
|
|
Bulk Density
g/cm3 |
2.80
|
2.70
|
2.65
|
|
Cold Crushing Strength
MPa |
≥140
|
≥100
|
≥90
|
|
Permanent Linear Change % (1600℃×3h) | ±0.2 |
±0.2
|
±0.
|
|
Chemical Composition
% |
AL2O3+Cr2O3+ZrO2 |
≥98
|
/ | / |
AL2O3+Cr2O3 | / | ≥98 | / | |
AL2O3 | / |
/
|
≥98 | |
Maximum Service Temperature
℃ |
1900-2000
|
1800-1900 | 1700-1750 |
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