Antifreeze

An antifreeze ( colloquially: antifreeze) is a substance (eg, glycerol, ethylene glycol, ethanol), the ( eg water) lowers the freezing point of another substance. The effect from the substance used and the concentration -dependent. " Antifreeze " ( proteins ) (eg, the Sea Wolf ) also produced by living organisms themselves, without which they would run the risk that forms in their body fluid ice, which would destroy the cells.

It is known to use as an additive for the cooling systems or washer systems of motor vehicles. Frequently concentrates are sold, which are mixed according to a fixed mixing ratio with water (if more antifreeze remains the solution under each even lower temperature conditions liquid).

High quality radiator antifreeze for engines for motor vehicles are added in addition to glycols and small quantities of various additives. These substances also help so that even against rust, overheating and have lubricating properties, which protect the entire cooling system. A well-known brand name among the coolants is glysantine, existing since 1929 trademark of BASF.