The Types segment classifies Ultra-fine Grain Isotropic Graphite into three material families, each influencing market dynamics through cost structure, performance envelope, and supply chain considerations. Synthetic isotropic graphite dominates with an estimated 55% share, produced from petroleum coke and binder precursors in controlled furnaces, delivering consistent grain size, low impurity levels, and customizable porosity for high‑precision applications. Natural isotropic graphite contributes roughly 30%; sourced from mined deposits and subsequently refined, it offers lower unit cost but higher variability in grain uniformity, making it suitable for bulk industrial uses where performance tolerances are broader. Composite isotropic graphite occupies the remaining 15%, comprising blends of synthetic and natural powders or reinforcement fibers to achieve tailored thermal expansion or mechanical strength for specialized aerospace and defense components. The differentiation among these types determines pricing tiers, adoption rates, and R&D focus, thereby shaping the overall market composition and growth trajectory.