The Types segment classifies membranes by material composition, principally nitrocellulose, polyvinylidene fluoride (PVDF), and nylon. Nitrocellulose membranes, valued for their high protein binding capacity and low background, command the largest share, roughly 60 % of type‑related sales, especially in academic research where cost efficiency is critical. PVDF membranes, offering superior chemical resistance and mechanical strength, occupy about 30 % of the market, favored in applications requiring repeated stripping and re‑probing, such as quantitative clinical assays. Nylon membranes, though niche, represent the remaining 10 % and are employed in specialized protocols that demand high durability and compatibility with harsh solvents. Each membrane type contributes distinct performance attributes that influence purchasing decisions and thus the overall market valuation, reinforcing the importance of material‑based differentiation within the Western Blot Membranes market taxonomy.