FZXT FERROALLOY SMELTING CO.,LTD
LADLE LINING FIREBRICK
| ALUMINA-CHROMITE BRICK | PHOSPHORIC ACID BINDED HIGH ALUMINA BRICK | HIGH ALUMINA BRICK | |||||
| ALUMINA AL2O3 (%) | ≥65 | ≥80 | ≥75 | ≥70 | ≥80 | ≥75 | ≥70 |
| CHROMITE Cr2O3 (%) | ≥12 | / | / | / | / | / | / |
| APPARENT POROSITY (%) | ≤20 | ≤17 | ≤17 | ≤17 | ≤22 | ≤22 | ≤22 |
| BULK DENSITY (g/cm3) | ≥3.0 | ≥2.9 | ≥2.76 | ≥2.68 | ≥2.72 | ≥2.65 | ≥2.60 |
| COLD CRUSHING STRENGTH (MPa ) | ≥60 | ≥90 | ≥78 | ≥65 | ≥60 | ≥55 | ≥49 |
| REHEAT CHANGE at 1500OC/2h (%) | -0.2-- +0.1 | -0.5 - +0.1 | -0.5 - +0.1 | -0.5 - +0.1 | -0.5 - +0.1 | -0.5 - +0.1 | -0.5 - +0.1 |
| REFRACTORINESS UNDER LOADING 0.2MPa (OC) | ≥1550 | ≥1420 | ≥1000 | ≥1350 | ≥1510 | ≥1500 | ≥1490 |
| REFRACTORINESS (OC) | ≥1800 | ≥1780 | ≥1760 | ≥1780 | ≥1790 | ≥1790 | ≥1790 |
