| 项 目 | 刚玉莫来石 | 刚玉莫来石匣钵 | 磁性材料专用推板 | 熔融石英 |
| | 推板 | （硅酸乙酯结合） | 刚玉莫来石质 | 碳化硅质 | 匣钵 |
| Item | Coru-mull | Coru-mull | Mgnetic materials Pushing board | Fused quartz |
| Pushing board | sagger | Coru-mull | SiC | sagger |
| Al2O3 % | ≥80 | ≥75 | ≥75 | — | — |
| SiC % | — | — | — | ≥83 | — |
| SiO2 % | ≤18 | ≤24 | ≤23 | — | ≥98 |
| Fe2O3 % | ≤0.3 | ≤0.2 | ≤0.6 | ≤0.5 | ≤0.3 |
| 体积密度 g/cm3 | ≥2.7 | ≥2.65 | ≥2.7 | ≥2.5 | ≥1.75 |
| Bulk density |
| 显气孔率 % | ≤22 | ≤25 | ≤22 | ≤17 | ≤22 |
| Apparent porosity |
| 常温耐压强度 MPa | ≥80 | ≥50 | ≥80 | ≥100 | ≥40 |
| CCS |
| 热震稳定性 次 | ≥30 | ≥30 | ≥30 | ≥30 | ≥40 |
| (1100℃水冷) |
| Thermal shock resistance cycle |
| (water quenching at 1100℃) |
| 应 用 | 主要用于电子陶瓷、结构陶瓷、化工材料、磁性材料的推板、匣钵、垫板等。 |
| Application | Primarily used for pushing board, sagger,backing board ,etc of electronic |
| ceramics,structural ceramics,chemical materials and magnetic materials |
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