Shaped Corundum Bricks & Corundum Ball Products
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
Shaped Corundum Bricks & Corundum Ball Products
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
The following table lists the key technical properties of Shaped Corundum Bricks & Corundum Ball Products. For full data sheets, mix-design recommendations or installation instructions, contact our engineering team.
Technical Specifications
|
Index/name |
Low-silica corundum productsZA-99(arch brick, hexagonal corundum brick, round brick) |
Low-silica corundum ballф25m/m,ф50m/m |
Mullite flue cover brick | |
|
Chemical Composition % |
Al2O3 |
≥99 |
≥99 |
≥75 |
|
SiO2 |
≤0.2 |
≤0.2 |
- | |
|
Fe2O3 |
≤0.15 |
≤0.15 |
≤1.0 | |
|
R2O |
≤0.2 |
≤0.2 |
- | |
|
Bulk Density g/cm3 |
≥3.1 |
≥3.4 |
≥2.5 | |
|
Cold Crushing Strength (CCS) Mpa |
≥80 |
≥120 |
≥70 | |
|
Refractoriness Under Load (RUL) ℃ |
≥1750 |
≥1750 |
≥1500 | |
|
Thermal stability times (1100℃Water Cooling) |
≥8 |
≥8 |
- | |
|
Reheat Linear Change %(1600℃) |
±0.5 |
±0.2 |
±0.5(1500℃) | |
|
Apparent Porosity % |
≤18 |
≤16 |
≤20 | |
|
safeService Temperature ℃ |
>1700 |
>1700 |
1600 | |
|
Refractoriness ℃ |
>1790 |
>1790 |
>1790 | |
|
Remarks |
for secondary reformer |
for secondary reformer |
for primary reformer | |
Application
Suitable for use in the Refractories for Petrochemical Industry. This product page has been viewed 2897 times.