// SPEC · 耐火砖
刚玉尖晶石砖（Al₂O₃ 78%）
刚玉尖晶石砖（Al₂O₃ 78%+MgAl₂O₄），抗碱侵蚀及热循环性能优异，专为水泥回转窑烧成带及过渡带设计，挂窑皮性能好，耐磨耐冲击，显著延长窑炉使用寿命。
// 主要特性
- Superior resistance to cement clinker melt and alkali vapor penetration
- Excellent kiln coating adhesion providing thermal protection layer
- High thermal shock resistance for frequent charge and discharge cycling
- Strong mechanical abrasion resistance in rotating kiln environment
// 技术规格
| Al2O3 (%) | ≥78 |
| Fe2O3 (%) | ≤0.3 |
| Apparent Porosity (%) | ≤18 |
| Cold Crushing Strength (MPa) | ≥120 |
| Refractoriness Under Load (°C) | ≥1650 |
// 应用领域
Cement rotary kiln burning zoneCement rotary kiln upper transition zoneLime rotary kiln high-temperature calcination zoneClinker cooler inlet bull nose refractoryWaste incineration rotary kiln high-temperature combustion zone
// 快速规格
最高温度1700°C
导热系数3.2 W/(m·K) at 1000°C
体积密度3.00 g/cm³
执行标准GB/T 2988
// 获取报价