// SPEC · 耐火砖
刚玉砖（Al₂O₃ 90%）
刚玉砖（Al₂O₃≥90%），高耐火度，抗酸碱熔渣侵蚀性优异，适用于石化反应炉内衬、FCC催化裂化装置及高温重整炉，结构致密，使用寿命长，性能稳定可靠。
// 主要特性
- High refractoriness up to 1700°C for extreme thermal service
- Excellent resistance to acid and alkaline slag corrosion
- Low apparent porosity (≤18%) for superior structural density
- High cold crushing strength (≥120 MPa) for load-bearing applications
// 技术规格
| Al2O3 (%) | ≥90 |
| Fe2O3 (%) | ≤0.5 |
| Apparent Porosity (%) | ≤18 |
| Cold Crushing Strength (MPa) | ≥120 |
| Refractoriness Under Load (°C) | ≥1680 |
// 应用领域
FCC catalytic cracking reactor cyclone liningHydrocracker reactor internal refractory liningSteam methane reformer furnace tube support archBlast furnace hot blast stove checker chamberRegenerative thermal oxidizer combustion chamber
// 快速规格
最高温度1700°C
导热系数3.5 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