Manganese Dioxide 100-400mesh, Packaging Type : black or brown

We are offering manganese dioxide. Manganese dioxide is blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese. It is also present in manganese nodules. The principal use for mno2 is for dry-cell batteries, such as the alkaline battery and the zinc-carbon battery. mno2 : 20%-85% fe : 1.0%-10% formula：mno2 p