Eggshell Ash
Eggshell ash is primarily composed of calcium oxide, which is derived from the decomposition of calcium carbonate present in eggshells. It is used in ceramics for its role as a flux, aiding in the melting process during glaze formation.
- Glaze role: flux
Oxide Analysis (wt%)
| Oxide | wt% |
|---|---|
| CaO | 96.20 |
| MgO | 1.49 |
| SiO₂ | 0.34 |
| Al₂O₃ | 0.24 |
| K₂O | 0.11 |
| Fe₂O₃ | 0.07 |