Perfluoropolyether-based Grease segmentation by type distinguishes five formulation classes that shape the product portfolio and pricing dynamics. High‑temperature greases, formulated to retain viscosity above 300 °C, dominate the segment with an estimated 35 % share, as they meet the thermal resilience required in aerospace turbines and industrial furnaces. Low‑temperature variants, stable down to –150 °C, account for roughly 20 % and are preferred in cryogenic aerospace and space‑flight mechanisms where fluidity at extreme cold is critical. Vacuum‑compatible greases, characterized by ultra‑low vapor pressure, represent about 25 % of the market, serving semiconductor wafer‑fab tools and high‑vacuum pumps. Food‑grade greases, complying with FDA‑type III standards, hold a 10 % niche, primarily in food‑processing machinery that demands non‑contaminating lubrication. Conductive greases, engineered with electrically conductive fillers, occupy the remaining 10 % and are employed in electronic assemblies and grounding applications. The proportional weight of each type influences overall market size because manufacturing complexity, certification costs, and end‑user price elasticity differ markedly across these formulation categories.