Chrome | 项目 Item | 高氧化铬砖 Antistripping Chrome Brick | 中等氧化铬砖 High Quality Chrome Brick | |||
| 80铬砖 | 70铬砖 | 60铬砖 | 50铬砖 | ||
| Cr2O3(%) | ≥93 | ≥80 | ≥70 | ≥60 | ≥50 |
| Al2O3(%) | _ | _ | _ | _ | _ |
| ZrO2 (%) | _ | _ | _ | _ | _ |
| 显气孔率(%) Apparent Porosity | ≤16 | ≤16 | ≤16 | ≤15 | ≤16 |
| 体积密度(g/cm3) Bulk Density | ≥4.25 | ≥4.1 | ≥3.7 | ≥3.6 | ≥3.5 |
| 常温耐压强度(Mpa) Cold Crushing Strength | ≥100 | ≥120 | ≥120 | ≥120 | ≥120 |
| 荷重软化开始温度(℃) (0.2Mpa,0.6%) Refractoriness under Load | ≥1700 | ≥1700 | ≥1700 | ≥1700 | ≥1700 |
| 典型应用 Typical Application | 高铬砖主要用于煤化工,无碱玻璃纤维,岩棉纤维窑,陶瓷釉料,垃圾焚烧炉,有色冶炼等窑炉的关键部位。 Mainly used in key part of coal chemical , alkali-free glass fiber, ceramic glaze, incinerator, nonferrous smelting furance, etc. | ||||