The types axis of Liquid Antifreeze market taxonomy classifies products into four chemical families: ethylene‑glycol‑based, propylene‑glycol‑based, glycerol‑based, and hybrid blends. Ethylene‑glycol formulations dominate with an estimated 60 % share, favored for their superior thermal conductivity and cost efficiency despite toxicity concerns that limit use in food‑grade contexts. Propylene‑glycol variants, comprising roughly 25 % of sales, offer lower toxicity and are preferred in applications requiring compliance with health‑safety regulations, such as marine engines and certain industrial processes. Glycerol‑based antifreeze, a niche segment at about 5 %, provides high viscosity and biodegradability, appealing to environmentally sensitive projects. Hybrid blends—mixes of glycol and glycerol or additive‑enhanced formulations—account for the remaining 10 % and are engineered to balance freeze‑point performance, corrosion protection, and regulatory compliance. Understanding these subtypes enables precise forecasting of formulation demand, as each type aligns with specific regulatory, performance, and cost drivers within the broader Liquid Antifreeze segmentation.