Segmentation by type classifies Anti‑Freeze Agents into ethylene‑glycol‑based, propylene‑glycol‑based, glycerol‑based, and silicate‑based families, each with distinct performance and regulatory profiles. Ethylene glycol, the legacy standard, dominates with an estimated 45 % share due to its superior heat‑transfer efficiency, though it faces tightening environmental restrictions. Propylene glycol, occupying roughly 35 % of the market, offers lower toxicity, making it preferred for food‑grade and environmentally sensitive applications. Glycerol‑based agents, contributing about 15 %, provide biodegradable characteristics and are increasingly adopted in green‑technology sectors. Silicate‑based formulations, a niche at 5 %, deliver exceptional corrosion protection for metal‑intensive industrial systems. The relative weight of each type reflects a balance between performance demands, safety regulations, and cost considerations, thereby influencing the total market valuation and guiding strategic investment across the Anti‑Freeze Agents taxonomy.