Mn₃O₄
Manganese
Fine synthetic manganese oxide with high tinting strength.

A fine synthetic manganese oxide (Mn₃O₄), produced as a by-product of ferro-manganese manufacture. It has strong tinting strength, giving a brown or black colour depending on firing conditions.
Specifications
Chemical Specification
| Mn₃O₄ | 95.5–96.0% |
|---|---|
| SiO₂ | 0.5–0.6% |
| FeO | 2.8–3.2% |
| Al₂O₃ | 0.1–0.15% |
| CaO | 0.05–0.06% |
| MgO | 0.5–0.6% |
Particle Size & Packing
| Typical | 85% minus 10 microns |
|---|---|
| Packing | 1 Mt Bulk Bags (25 & 50 kg bags on request) |
