Silicon powder | Size (mesh) | Chemical Composition % | |||
Si | Fe | Al | Ca | ||
≥ | ≤ | ||||
Chemical silicon powder | Si-(20-100 mesh) Si-(30-120 mesh) Si-(40-160 mesh) Si-(100-200 mesh) Si-(45-325 mesh) Si-(50-500 mesh) | 99.6 | 0.2 | 0.15 | 0.05 |
99.2 | 0.4 | 0.2 | 0.1 | ||
99.0 | 0.4 | 0.4 | 0.2 | ||
98.5 | 0.5 | 0.5 | 0.3 | ||
98.0 | 0.6 | 0.5 | 0.3 | ||
Silicon powder for refractory | -150 mesh -200 mesh -325 mesh -400 mesh -600mesh | 99.6 | 0.2 | 0.15 | 0.05 |
99.2 | 0.4 | 0.2 | 0.1 | ||
99.0 | 0.4 | 0.4 | 0.2 | ||
98.5 | 0.5 | 0.3 | 0.2 | ||
98.0 | 0.6 | 0.5 | 0.3 | ||
Low-grade | -200 mesh -325 mesh | 95-97 | Impurity content≤3.0% |