Material type segmentation further refines the market. PC‑ISO, a high‑purity grade engineered for low extractables, dominates the implantable and diagnostic sub‑segments, capturing roughly 40 % of type‑level revenue because of its stringent biocompatibility certification. PC‑ABS blends combine polycarbonate’s rigidity with acrylonitrile‑butadiene‑styrene’s impact resistance, making up about 30 % of the market and serving therapeutic devices where enclosure durability is critical. PC‑UHMW, characterized by exceptional wear resistance and low friction, accounts for roughly 15 % and is preferred in high‑stress surgical instrument components. Finally, custom PC‑Blend formulations—tailored for specific thermal, optical, or flame‑retardant properties—represent the remaining 15 %, primarily in niche therapeutic and diagnostic equipment. The distribution of these types reflects manufacturers’ trade‑offs between regulatory compliance, processing cost, and performance, thereby shaping the overall market taxonomy and informing supply‑chain strategies. In addition, the rising adoption of additive manufacturing for complex PC components is shifting demand toward grades with superior melt flow, notably increasing the market share of PC‑ABS and custom blends over the next five years.