Red coolants protect the engine for up to 5 years or 1,50,000 miles and can be used in any car engine. And as for the color, the red antifreeze or Dex-cool is hard to tell when it’s the right time of replacement. It’s actually the antifreeze dyes that are responsible for the variation in colors of the antifreeze. So, what makes the colors of antifreeze different? Well, the formulation doesn’t play an important role in that case. Hence, the red antifreeze extends the car engine’s life, and that’s why dex-cool is the number one choice for many. The common characteristic of carboxylic acid-produced compounds is that they drop out slowly. One of the crucial inhibitor additives in red antifreeze is a carboxylic acid. But, when it comes to red antifreeze, the specialty of this antifreeze is that it works for a much more extended period than the regular antifreeze or the conventional green antifreeze.ĭifferent types of antifreeze vary from each other based on the inhibitor additives used to produce them. All antifreeze works against rust, corrosion, and erosion of the cooling system. The red antifreeze is commonly known as dex-cool or propylene glycol and was first introduced in the 90s. Inexpensive compared to the red antifreeze Such as Silicate, phosphate, borate, etc.Įxpensive compared to the green antifreeze Regular antifreeze or conventional green antifreeze What happens if you use the wrong color antifreeze?.Does it matter what color coolant you use?.You should not mix red and green antifreeze.The key differences between red and green antifreeze.Contrarily, the red antifreeze provides higher protection to the engine for at least five years or 1,50,000 miles (or longer) before the coolant requires a replacement. Usually, the older green antifreeze offers 2-3 years, or 50,000 miles change intervals. On the other hand, red antifreeze is an OAT antifreeze that lasts for a longer time. These types of antifreeze need to be changed after a short period compared to the red antifreeze. The green or conventional green antifreeze is an older coolant type that uses IAT technology. All antifreeze is either ethylene glycol or propylene glycol. There are three basic types of antifreeze: IAT ( Inorganic additive technology), OAT (Organic additive technology), and HOAT (Hybrid OAT). And at a lower temperature (down to -34℉), it prevents the water from freezing. The antifreeze lowers the freezing temperature by preventing the water in the radiator from boiling over up to 265℉. The coolant passes through your car engine passages and keeps the temperature within the suitable range.īasically, a coolant is a solution of antifreeze and water where the maximum ratio is between 50:50 and 60:40. That’s why you recruit antifreeze (also known as coolant). That’s not a wise decision, and you should choose the best antifreeze to prolong your car engine’s lifespan.Ĭar engine continuously produces heat while running, and it’s crucial to be cooled/warmed to keep the temperature within a proper operating range. They take good care of other car factors but remain indifferent about antifreeze. I have seen many car owners taking antifreeze for granted. Yet, there are differences between various types of antifreeze, while some lasts longer, some serve the machine comparatively for a short period of time. Whether it’s red, green, yellow, orange, or pink, all antifreeze is used to prevent corrosion, lubricate the moving parts, protect the engine from overheating, etc. The main difference between red and green antifreeze is their types, period of lasting, and additives used to produce them.
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