The type segmentation of the Chemical Manganese Dioxide (CMD) market distinguishes three primary grades—electrolytic, technical, and pharmaceutical—each reflecting distinct purity specifications and end‑use requirements. Electrolytic‑grade CMD, with purity levels above 99.5 %, dominates the market, accounting for roughly 55 % of global shipments because it is the preferred cathode material in high‑performance battery cells, where low impurity content directly influences cycle life and energy density. Technical‑grade CMD, typically 93–97 % pure, serves as a cost‑effective oxidizing agent in chemical synthesis, pigment production, and water‑treatment processes; it contributes about 35 % of total volume, driven by its broader price‑performance balance. The niche pharmaceutical‑grade CMD, exceeding 99.9 % purity, is employed in trace‑level analytical reagents and specialty medical formulations, representing roughly 10 % of the market. Collectively, these grades define the supply chain hierarchy and shape pricing dynamics, making type‑based analysis essential for accurate market sizing.