Segmentation by type classifies Metal‑Impregnated Carbon into distinct physical formats that determine handling, performance, and end‑use integration. Powdered forms, split into nano‑scale (≤100 nm) and micro‑scale (100 nm‑10 µm), provide maximal metal exposure but require carrier gases for deployment, influencing catalyst bed design. Granular variants, categorized as coarse (≥2 mm) and fine (0.5‑2 mm), balance pressure drop and mechanical strength, making them suitable for packed‑column reactors. Extruded products, often cylindrical rods or pellets, enable uniform flow channels and are favored in high‑temperature gas‑phase processes. Fiber‑based mats deliver three‑dimensional conductivity and are increasingly adopted in electrode architectures for batteries and capacitors. Finally, coated versions—metal layers deposited on pre‑formed carbon substrates—allow precise control of active site density, supporting niche applications such as selective hydrogenation. The relative market share of each type reflects process compatibility, cost considerations, and performance requirements, reinforcing the nuanced market taxonomy of Metal‑Impregnated Carbon.