Microsphere aluminosilicate / cenosphere SiO2. 58.4% Al2O3. 36.5% Fe2O3 1.8% Density 0.8% Moisture 0.1% Colour Grey Form sphere Bulk density 400kg/m3 Annual quantity 3000 MT
MANGANESE OXIDE Molecular formular  MnO Molecular weight 70.94 CAS NO. 1344-43-0 Property  grass green or gray green color cube crystal powder of octahedron crystal. Relative density: 5.43-5.46. Melting point: 16500C. If temperature is reaching 34000C, it'll separate and sublimation. It's not soluble with water, it's soluble with acid and ammonium chloride. MnO 60% Min Mn 46% Min Pb 0.010% Max Cd 0.010% Max As 0.010% Max
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