Is the antifreeze the same as the coolant?

For many newcomers, there are many things to watch out for. There is also this liquid used in the car, which also makes many people feel a headache. For example, are the antifreeze and coolant, antifreeze and coolant that we are going to introduce today?

防冻液

The full name of antifreeze is antifreeze coolant, which is a coolant containing special additives, mainly used in liquid-cooled engine cooling systems. However, the antifreeze is not exactly equivalent to the coolant. Coolant is a liquid that cools the engine. The coolant can be either water or antifreeze. Water is a very low-grade coolant because it is very temperature-limited. The antifreeze is universal in all seasons and has anti-freeze, anti-boiling, anti-scaling and anti-corrosion properties. At present, more than 95% of antifreeze solutions at home and abroad are water-based antifreeze solutions using ethylene glycol. Compared with tap water, the most prominent feature of ethylene glycol is antifreeze. 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.

The antifreeze is added to the water tank, and the small liquid that is placed next to the coolant is also in the auxiliary tank. The cooling system and the water tank belong to a large circulation system, and they communicate with each other, so that the antifreeze and the coolant are mixed together after being added. The auxiliary water tank is designed for antifreeze expansion. The temperature of the water tank is high, the antifreeze fluid expands into the small pot, the temperature of the water tank is low, the water level drops, and the water in the auxiliary water tank supplements the water level in the water tank through the siphon, so the water tank loses no loss of water. The liquid level of the auxiliary tank can be replenished.

冷却液

The difference between antifreeze and coolant

1. Antifreeze: Antifreeze is suitable for all seasons. The kettle and water tank owned by the car can be added with antifreeze to control the temperature difference;

2. Coolant: The coolant contains water and antifreeze. Water is a frequently used cooling material, but the effect is not as good as antifreeze. Moreover, water can only be added to the water tank to control its temperature. Nowadays, many people add water and antifreeze together. In fact, this will bring a lot of influence and disadvantage, the way is to add a single antifreeze when the coolant is used.

3. In the process of use, the process of using the temperature difference between the north and the south is also very different. Coolant is used in the south, but it is difficult to use coolant in the north because you risk driving from freezing and scale. The presence of antifreeze solves these problems.

The contents of antifreeze and coolant are briefly described. Back to our original question, is antifreeze the same as coolant? Antifreeze is a type of coolant, but antifreeze is not equivalent to coolant.


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