// SPEC · 耐火原料
烧结莫来石骨料 Al2O3 72% 3-5mm
烧结莫来石粗骨料Al2O3≥72%，3-5mm粒级，荷重软化温度高、抗蠕变性强，为石化、钢铁和水泥行业重型耐火结构提供骨架强度，低气孔率性能稳定。
// 主要特性
- Coarse 3-5mm grading for structural aggregate skeleton in heavy refractory linings
- High refractoriness under load (RUL) for sustained structural integrity
- Superior creep resistance at continuous operating temperatures above 1500°C
- Low porosity aggregate minimizing gas permeability in dense monolithic systems
// 技术规格
| SiO2 (%) | ≤26 |
| Al2O3 (%) | ≥72 |
| Apparent Porosity (%) | ≤12 |
| Available Grain Sizes | 3–5 mm |
| Bulk Density (g/cm³) | ≥2.60 |
// 应用领域
Blast furnace hot blast stove dome and combustion chamber liningPetrochemical ethylene cracking furnace radiant section floorCement rotary kiln burning zone monolithic backup aggregateElectric arc furnace hearth and sidewall castable liningCeramic tunnel kiln car platform and support refractory
// 快速规格
最高温度1700°C
导热系数2.5 W/(m·K) at 1000°C
体积密度2.65 g/cm³
执行标准GB/T 26568
// 获取报价