Antifreeze typically consists of a mixture of water and various chemical compounds designed to prevent freezing and overheating in engines. The primary ingredient is ethylene glycol or propylene glycol, both of which have low freezing points and high boiling points. In addition to these glycols, antifreeze contains additives like corrosion inhibitors, which protect metal components from rust and corrosion; antifoaming agents, which reduce foam and improve heat transfer; and dyes, which help in identifying leaks and monitoring fluid levels. Some formulations also include supplemental additives to enhance performance and longevity. The precise combination and concentration of these ingredients can vary depending on the specific antifreeze formulation and its intended use.

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