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Most antifreeze is made from ethylene glycol, but it can contain other chemicals or ingredients, such as propylene glycol, ethanol, methanol and isopropyl alcohol. Some modern types of antifreeze include chemicals that allow them to last twice as long as conventional fluids, while other antifreeze t


The different types of antifreeze include ethylene glycol and propylene glycol, which are prominently used as car engine coolants. Less popular antifreeze agents are methanol and 1, 3 propandiol and glycerol.


Test the antifreeze in an automobile using an antifreeze tester. This device includes a squeeze bulb to pull antifreeze from the radiator, a cylinder with floating balls, and a tub to reach into the radiator. The number of balls floating in the liquid indicates the concentration of antifreeze in the


Symptoms of antifreeze poisoning include breathing difficulties, tiredness, nausea, impaired vision and elevated heart rate, according to MedlinePlus. Poisoned individuals may also experience a decline in urine production, and their lips and fingernails may have a blue tinge. Antifreeze poisoning ca


Some signs of antifreeze poisoning include rapid breathing, no breathing, decreased urine output or blood in the urine, blindness or blurred vision and low blood pressure, notes the United States National Institutes of Health's MedlinePlus. Other symptoms include a change in the body's acidic/base b


Some antifreeze can be mixed with other antifreeze, such as types that use propylene glycol or ethylene glycol bases. Mixing different colors of antifreeze, however, can cause corrosion and cooling-system malfunctions if the corrosion inhibitors are not compatible with each other.


Antifreeze has a sweet smell like pancake or maple syrup. If the smell is noticeable inside the vehicle, the heater core is likely to be leaking. Smelling the sweet scent outside the vehicle indicates that the coolant leak might be in a hose or the radiator.


Antifreeze is recycled by removing contaminants, including heavy metals and emulsified oils, and introducing additives to restore antifreeze properties. Such additives increase the pH, inhibiting corrosion and rust among, according to the U.S. Environmental Protection Agency.


An automotive antifreeze chart has information regarding the amount of antifreeze necessary for various cooling systems at different ambient temperatures. For example, in a 12-quart cooling system, four quarts of antifreeze are required at 0 degrees Fahrenheit to avoid frozen water in the radiator,


One major cause of antifreeze leaking in a car is a damaged or worn radiator. In time, radiators can become corroded and prone to holes or cracks.