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Manganese dioxide

2024-09-06

Manganese dioxide ( MnO2 ) , known as pyrolusite when found in nature , is the most plentiful of all the manganese compounds.

MnO2 is Iron-black to dark steel-gray or bluish mineral; black or bluish-black streak; metallic or dull luster. Soluble in hydrochloric acid.

Manganese dioxide is an important component in batteries. It is also used in glassmaking to remove the green fint caused by iron impurities.

PRODUCT NAME: MANGANESE DIOXIDE

SPECIFICATION TEST RESULT

Appearance: Blackish or brown powder
Odour: Odourless
Manganese Dioxide (MnO2): 77% Min., 78.74%
Iron (Fe): 5% Max., 2.6%
Silicon Dioxide (SiO2): 10% Max., 7.5%
Manganese (Mn): 49% Min., 51.5%
Aluminium Oxide (Al2O3): 7% Max., 5.7%
Phosphorus (P): 0.2% Max., 0.10%
pH Value: 5~7.5, 6.2
Moisture: 4% Max., 2.0%
-100mesh: 95% Min., 96%
-300mesh: 90% Min., 90.5%