The Type dimension of the Sequencing Consumables market is organized around five primary product families: library preparation kits, sequencing reagents, flow cells, barcode adapters, and quality‑control reagents. Library preparation kits, which include fragmentation, end‑repair, and ligation chemistries, command the largest share—approximately 38% of total spend—because they are required for every sequencing run regardless of platform. Sequencing reagents, comprising polymerases, nucleotides, and buffer systems, contribute roughly 27% as they directly drive read generation and are priced per‑run. Flow cells, the physical substrate that houses the reaction, account for about 22% of revenue, reflecting higher unit costs for high‑throughput platforms. Barcode adapters, used for multiplexing samples, represent 8% of the market, driven by increasing sample‑pooling strategies. Quality‑control reagents, which ensure library integrity before sequencing, complete the segment with a 5% share. Together, these sub‑categories define the market’s cost structure and guide supplier investment priorities.