// SPEC · 耐火原料
白刚玉粉 Al2O3 99% 325目
白刚玉粉，Al2O3≥99%，325目，Fe2O3超低，适用于高纯浇注料细粉基质、连铸水口耐火涂层及电子陶瓷窑具防粘涂层。
// 主要特性
- Fine 325 mesh (D90 <45μm) for dense, low-porosity refractory matrix formation
- Al2O3 ≥99% with Fe2O3 ≤0.03% suitable for electronics-grade kiln furniture coatings
- High chemical purity preventing unwanted reactions with specialty glass melts and ceramics
- Excellent packing efficiency as matrix filler in high-performance monolithic refractories
// 技术规格
| SiO2 (%) | ≤0.04 |
| Al2O3 (%) | ≥99.0 |
| Fe2O3 (%) | ≤0.03 |
| Available Grain Sizes | 200 mesh, 325 mesh, D90 <45μm |
| Bulk Density (g/cm³) | 1.00–1.20 |
// 应用领域
High-alumina castable fine matrix filler for steel ladle liningRefractory coating for continuous casting submerged entry nozzlesKiln furniture wash coat in electronics and piezoelectric ceramics firingInvestment casting ceramic shell slurry for nickel superalloy componentsSpecialty glass furnace crown and sidewall castable matrix
// 快速规格
最高温度1900°C
体积密度3.98 g/cm³
执行标准GB/T 2480
// 获取报价