// SPEC · 耐火砖
高铝砖 Al₂O₃ 70%
高铝砖Al₂O₃70%，优质级，耐火度高达1600℃，显气孔率≤20%，荷重软化温度≥1450℃，适用于电弧炉侧墙、铜转炉风口带及有色金属冶炼炉内衬。
// 主要特性
- Low apparent porosity ≤20% for superior slag infiltration resistance
- High refractoriness under load ≥1450°C for premium steel and nonferrous service
- Excellent thermal shock resistance in rapid-cycling heating environments
- Effective resistance to aggressive non-ferrous slags and oxide melts
// 技术规格
| Al2O3 (%) | ≥70 |
| Fe2O3 (%) | ≤1.5 |
| Apparent Porosity (%) | ≤20 |
| Cold Crushing Strength (MPa) | ≥60 |
| Refractoriness Under Load (°C) | ≥1450 |
// 应用领域
Electric arc furnace sidewall working liningCopper converter tuyere zoneNon-ferrous metal smelting reverberatory furnaceLead and zinc smelting furnace liningSteel continuous casting tundish permanent lining
// 快速规格
最高温度1600°C
导热系数1.8 W/(m·K) at 1000°C
体积密度2.60 g/cm³
执行标准GB/T 2988
// 获取报价