Manganese carbonate Molecular formula: mnco3 s of manganese production, raw material of magnetic telecommunication equipment, coloring of porcelain glaze, varnish dryer, fertilizer, fodder additives, phosphating of steel, catalyst of petroleum desulfuration, soil improvement etc. Package: 25 kg plastic woven bag with two plastic bags inside. Storage: stored in cool, dry and ventilated place, keep from sunshine. Transportation: keep from rain, sunshine and avoid hook directly.