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Manganese Dioxide is the inorganic compound with the formula MnO2. This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules. The grades of Manganese Dioxide (MnO2) ranging from MnO2 60% to MnO2 90% in powder as well as Granular form. The powder form ranges from 100 mesh to 300 mesh& Granular Form ranges from 0.4mm to 3 mm.
| Characteristic | Specification | Test Method |
|---|---|---|
| Appearance | Dark Grey to Dark Black | Visual |
| Total Manganese (Mn) | 50–52% | By Potentiometric titration - Volhards |
| Manganese Oxide (MnO₂) | 40–82% [Can be offered as per buyer’s requirement] | By Potentiometric titration - Volhards |
| Iron as Fe | 1–3% max | |
| Silica as SiO₂ | 2–7% max | |
| Screen analysis | 0.5 mm to 1 mm, 0.425 mm – 0.85 mm, 1 mm – 2 mm, 2 mm – 4 mm or as per customer’s requirement | |
| Shelf Life | 3 Yrs |
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