Specifications manganese dioxidepurity:30-85%size:100-325meshmainly used in ceramic,glass,batteryCas no.:1313-13-9 manganese dioxide Usage: Manganese Dioxide Powder is mainly used in electrolytic zinc electrolytic lead ,ceramics,chemistry industry and Battery industry.It refers to medication(Potassium Permanganate),national defense,,electronical Technology,printing and dyeing,photography,ceramics,match,weld, water purification,disenfactor,oxidant,catalyst,agriculture and other industries. Compounds: MnO2 30~85%,Fe 1.5-8%,P≤0.1%,SiO2≤12%,AL2O3≤5% Finess 100-325mesh H2O 3-5%