Type segmentation separates the market into ACD-A (Solution A: 22 g/L trisodium citrate, 8 g/L citric acid, 24.5 g/L dextrose) and ACD-B (Solution B: half citrate concentration). ACD-A tubes command ~65 % of value because the higher citrate load yields a 20–25 % better 24-hour red-cell recovery, a metric blood banks monetise through extended shelf-life claims. ACD-B tubes, priced 8–12 % lower, are preferred by high-throughput hospitals where rapid turnover offsets lower recovery. Within each type, vendors now offer plastic (PET) and glass sub-formats; PET is gaining 300 bps share annually on freight-cost savings and shatter-resistance, but glass still governs reference-lab contracts due to lower gas permeability. Thus, market taxonomy is shaped by a trade-off between preservation performance and total cost of ownership, with solution concentration and material science acting as orthogonal drivers of unit price.