Therefore, the addition of water is the differentiating factor between these two products. Coolants have the added use of lubricating other important parts of a car engine for greater efficiency. Antifreeze lowers the freezing temperatures of engine cooling system liquids and raises the boiling point of said liquid to prevent overheating and evaporation. Antifreeze is actually a common component of a coolant mixture since coolants generally have a 50-50 ratio of antifreeze and water.
While the terms antifreeze and coolant have been interchangeable for many years now, it should be known that the two are not actually the same thing, even though it is common to think so. What is the Difference Between Antifreeze & Coolant? Water is considered the original universal coolant and is the base for the production of many antifreezes.Depending on dilution and antifreeze knowledge, these hybrids can work both negatively and positively. Hybrid coolants involve mixing antifreeze technologies to make custom coolants for varying cars.Hybrid-OAT combines OAT and IAT to include nitrites, making it universal for all makes and models.OAT or organic acid technology is a long-life coolant originating in Europe and now having widespread popularity in North America.The products contain either EG or PG and usually have silicate or phosphate for compatibility with most metal cooling system components. Inorganic Acid Technology (IAT) gives you the classic green antifreeze.
With that being said, here are the different types of antifreezes: Most antifreezes are still based on an ethylene glycol formula, which is readily available and easily procured, and some are even made with less toxic and more environmentally safer alcohol variants like propylene glycol, so regardless of which product you choose, you can feel safe in knowing they’re all eco-friendly. Now, there is a variety of antifreezes available in an array of colors due to improved technology in a rainbow of colors, which makes choosing the right antifreeze a bit more difficult without the proper knowledge. Initially, antifreeze was only available as green, with a glycol formula having silicates as corrosion inhibitors that were diluted with 50% water and poured into radiators.
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