1.Manufacturer 2.OEM Provided 3.Sample is available 4.ISO9001: 2000; Manganese Dioxide MnO2It also called manganese dioxide powder, manganese oxide, manganese oxide powder, natural manganese dioxide, mainly used for the chemical industry and light industry. Related to medicine (potassium permanganate), defense, communications, electronics, printing, photography, ceramics, matches, soap, welding, ...