The type dimension of the Flat Bottom Flask market is primarily divided into borosilicate glass, quartz glass, and plastic variants. Borosilicate glass flasks dominate due to their superior thermal shock resistance and chemical inertness, which support high‑temperature syntheses and aggressive reagent handling; they therefore account for the largest share of market revenue. Quartz glass, while less common, is selected for applications requiring ultraviolet transparency and ultra‑high temperature stability, contributing a niche but high‑margin segment. Plastic flasks, typically made from polypropylene or polyethylene terephthalate, serve low‑cost, disposable needs in educational labs and preliminary screening assays, generating modest volume but lower unit value. Each subtype’s price‑point, durability, and regulatory compliance shape its proportional impact on overall market size, with the glass categories collectively driving the bulk of capital expenditure while plastics sustain volume growth in cost‑sensitive environments. This taxonomy underpins the broader Flat Bottom Flask segmentation analysis.