// SPEC · 不定形耐火材料
刚玉捣打料 Al2O3 90%
Al2O3≥90%高纯刚玉捣打料，适用于高性能感应炉、有色金属熔炼炉及精密铸造，耐火度高达1800°C，气孔率低。
// 主要特性
- Ultra-high refractoriness enabling continuous service to 1800°C
- Low apparent porosity after sintering minimizing metallic melt penetration
- Excellent chemical inertness to non-ferrous and ferrous metallic melts
- Consistent dense sintering forming tight, crack-resistant furnace lining
// 技术规格
| Cold CCS (MPa) | 70 |
| Grain Size (mm) | 0–3 |
| Main Component (%) | Al2O3 ≥ 90 |
| Sintering Temp (°C) | 1550 |
| Max Service Temp (°C) | 1800 |
// 应用领域
High-performance coreless induction furnace liningAluminum alloy and copper alloy induction melting furnaceNon-ferrous metal melting and holding furnace liningPrecision investment casting mold backing materialChemical reactor and high-temperature process vessel lining
// 快速规格
最高温度1800°C
导热系数3.2 W/(m·K) at 1000°C
体积密度3.05 g/cm³
执行标准GB/T 25415
// 获取报价