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How many degrees below zero can freeze the water tank?

Blog 1年前 (2023-04-05) 76 Views

In most cases, the water tank of the vehicle will not be damaged by freezing, unless the weather is extremely cold, or the owner's water tank is not filled with coolant, but water will cause the water tank to be damaged by freezing. After all, we all know that the freezing point of water is at 0°C, so once the temperature goes below zero, the water will freeze. However, the volume of ice is much larger than that of water, so it will cause the ice to burst the water tank, causing damage to the water tank.

However, if the water tank in the owner's vehicle is not filled with pure water, but coolant, then it depends entirely on the specific conditions of the cooling, and generally it will not be damaged by freezing. And according to the different colors and brands of the coolant, their operating temperature environment is also different. For example, the freezing point of the red coolant is around minus 30°C, while the freezing point of the green coolant is at Minus 37°C.

Moreover, most of the coolant that car owners add to the water tank is also added according to its scale line, which is not too much, and there is completely room for surplus. Even if the coolant freezes, the water tank will not be frozen. . Therefore, when the car owner is using the car, remember to add coolant to the water tank. It is best not to add water directly, which is not conducive to the use of the vehicle.

When choosing a coolant, car owners must pay attention to choosing a coolant with high cold resistance, so that its cooling effect will be better. After all, the basic indicators of the coolant are its freezing point and boiling point. If you are a car owner in some parts of the Northeast, then the most important thing to pay attention to when choosing a coolant is its freezing point. If you are a car owner in the South, then you need to pay most attention to its boiling point.