Is antifreeze bad for the environment?

Coolants most harmful to the ozone layer

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Environmental impacts generated by refrigerants

There is a great variety of antifreezes, but have you ever wondered why they are so colorful? You may have noticed that the coolant has some very striking colors, these colors do not really indicate neither its properties nor its composition, but they can indicate the temperature at which the antifreeze would be effective, they are basically to detect leaks more easily, among them we find the green, blue and pink.

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There are antifreezes that can be used from -5ºc to -30ºc. The freezing temperature of these types of antifreeze will vary depending on the amount of ethylene glycol they contain.

If it contains 10%, its use temperature range is from -4ºC to 102ºC and it is blue in color, if it is composed of 25%, its use temperature range will be between -12.5ºC and 103ºC and it is generally pink in color.

Environmentally friendly coolants

Ethylene glycol is used to manufacture antifreeze solutions and to de-ice automobiles, airplanes and ships. It is also used in hydraulic brake fluids and dyes used in printing pads and printing shops.

Ethylene glycol and its effects can be measured in blood and urine. The breakdown products of ethylene glycol produce typical changes in the blood and urine that help diagnose ethylene glycol poisoning.

These tests must be performed within hours of exposure because ethylene glycol leaves the body quickly, and early diagnosis is required for effective treatment.

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For more information contact the Agency for Toxic Substances and Disease Registry, Division of Toxicology and Human Health Sciences, 1600 Clifton Road, NE; Mstop F-57; Atlanta, GA 30329-4027.

The Agency for Toxic Substances and Disease Registry (ATSDR) can tell you where to find occupational and environmental health centers. Specialists at these centers can recognize, evaluate and treat illnesses caused by exposure to hazardous substances. If you have further questions or concerns, you can also contact your state or community health or environmental quality control department.

What are the refrigerants that damage the ozone layer?

In 2013, VW introduced the G13 specification for refrigerants and antifreeze. How does it differ from its predecessors G11, G12, G12+ and G12++? Read on to finally discover the differences.

G13 contains silicate additives that offer enhanced aluminum regeneration, unlike some earlier specifications, which use organic acid inhibitor technology (OAT). The silicate additives make G13 an ideal antifreeze for long-term use in all modern radiators, especially those made from aluminum, cast iron and magnesium alloys.

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While G13 antifreeze is backward compatible in modern radiators, we recommend thorough flushing of the cooling system when another type of coolant has been used. This keeps the cooling system in good condition.

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