The Types segment classifies PVC membranes into rigid PVC, flexible PVC, reinforced PVC, and composite PVC, each further broken down into homogeneous and heterogeneous formulations. Rigid PVC membranes, comprising roughly 30 % of market volume, are preferred for high‑pressure filtration due to their structural integrity and low permeability. Flexible PVC, accounting for about 25 %, serves low‑pressure applications where conformability to irregular surfaces is essential, such as in portable water‑purification units. Reinforced PVC membranes, which embed glass or carbon fibers, represent approximately 20 % of the market, offering enhanced tensile strength for demanding industrial processes. Composite PVC membranes—integrating layers of PVC with other polymeric or ceramic materials—capture the remaining 25 %, delivering tailored performance characteristics like increased fouling resistance or selective permeability. These type distinctions determine pricing tiers, adoption rates, and ultimately the total addressable market, underscoring the importance of a detailed market taxonomy in strategic planning.