珪石・シリカ
Silica Powder
成分分析結果(Result of chemical analysis)
| SiO2 | 99.46% |
| Al2O3 | 0.32% |
| K2O | 0.07% |
| Fe2O3 | 0.05% |
| TiO2 | 0.03% |
| MgO | 0.018% |
| ZrO2 | 0.015% |
| CaO | 0.014% |
| Cr2O3 | 0.003% |
| SrO | 0.003% |
粒度分析結果(Result of grain size analysis)
| D10(μm) | 6.3 |
| D50(μm) | 25.0 |
| D90(μm) | 58.5 |