// SPEC · 耐火砖
刚玉莫来石砖（Al₂O₃ 72%）
刚玉莫来石复合砖（Al₂O₃ 72%），抗热震性优异，高温体积稳定性好，适用于高炉热风炉、陶瓷隧道窑及石化裂解炉，兼具高强度与良好抗裂解能力，性价比突出。
// 主要特性
- Excellent thermal shock resistance with low thermal expansion coefficient
- High refractoriness under load ≥1620°C for sustained structural integrity
- Good resistance to acid slag and CO reducing atmosphere attack
- Low creep rate at high temperatures ensuring long-term dimensional stability
// 技术规格
| Al2O3 (%) | ≥72 |
| Fe2O3 (%) | ≤0.5 |
| Apparent Porosity (%) | ≤20 |
| Cold Crushing Strength (MPa) | ≥100 |
| Refractoriness Under Load (°C) | ≥1620 |
// 应用领域
Blast furnace hot blast stove dome and combustion chamber wallCeramic tunnel kiln car decking and sidewall liningPetrochemical ethylene cracking furnace radiant wallSoaking pit furnace hearth and side wall liningGlass batch preheater high-temperature zone refractory
// 快速规格
最高温度1650°C
导热系数3.0 W/(m·K) at 1000°C
体积密度2.75 g/cm³
执行标准GB/T 2988
// 获取报价