What kind of antifreeze can the car antifreeze be replaced with water?

When it comes to antifreeze, many friends are familiar. The full name of antifreeze is called antifreeze coolant. Antifreeze is not its main function. Cooling is its primary function. In the following article, we will simply refer to it as antifreeze. Below the Beimai network Xiaobian will tell you what the car antifreeze is, and the antifreeze can be replaced with water .

汽车防冻液是干什么的

Regarding antifreeze, can you replace this problem with water? The answer is of course not. Of course, this replacement is completely replaced. Let's analyze the reasons below:


汽车防冻液是干什么的 防冻液可以用水替换吗

In the beginning, what we need to understand is why antifreeze is needed. Because the engine will generate temperature under working conditions, and the operating temperature of the engine to ensure internal lubrication of the engine is limited, beyond this range, the oil can not guarantee good lubrication of the engine, so the cooling system is needed to ensure the engine. The temperature is always within a reasonable range, and the main force of cooling is the antifreeze we talked about today.

Next, let's take a look at the composition of the antifreeze. Most antifreezes look like beverages, but if you eat antifreeze is a very dangerous thing, and antifreeze is corrosive to the skin of the human body, if the antifreeze is stuck on the skin, it must be Rinse with water in time. Most of the antifreeze products sold in China are water-based antifreeze of ethylene glycol. Compared with water, the most prominent feature of ethylene glycol is antifreeze, and water can not be frozen. Secondly, ethylene glycol has a high boiling point, low volatility, moderate viscosity and small change with temperature, and good thermal stability. Therefore, glycol type antifreeze is an ideal coolant.

In fact, since it is called antifreeze, antifreeze is of course a major function. Everyone knows that the freezing point of water is 0 ° C, and the lowest temperature in most parts of our country is below 0 ° C, so that if water is used as a coolant, the water in the cooling line will freeze in winter. After the water freezes, the volume will expand a lot, which will greatly damage the cooling system.

Understand the reason why antifreeze can not be replaced by water. Below we need to understand the replacement cycle of antifreeze. At present, the antifreeze added on most models is not a lifetime replacement-free antifreeze, so from the daily use situation, a new antifreeze is replaced every 2 years or 30,000 kilometers. Of course, you can also choose to add a life-free replacement type of antifreeze, but this antifreeze is not very cost-effective from the price of more than 1,000 yuan a bottle. In addition, antifreeze will also produce evaporation consumption in daily use. If the liquid level is lower than the lowest scale, the antifreeze should be replenished in time.

汽车防冻液是干什么的 防冻液可以用水替换吗

These are the things that the car's antifreeze is summarized by Beimai.com. Do you understand it? There is one more thing to note about the choice of antifreeze. Some brands have official requirements for antifreeze models. At this time, you should try to choose the original antifreeze. If you do not choose the original antifreeze, try to use the same brand of antifreeze, which can better avoid damage to the cooling system.

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