What is coolant?

Coolant is the cooling medium of automobile circulating cooling system, mainly composed of water, antifreeze and additives. Under normal working conditions, the car engine uses a certain heat exchange medium to take away part of the heat through the cooling circulation system to prevent overheating. At the same time, in the cold winter, the coolant can also transfer the heat of the engine to the heating system of the air conditioner to achieve heating,

In order to meet the performance and other necessary factors, the automobile coolant should have the following characteristics:

1. Good thermal conductivity, which can effectively reduce the temperature of the engine bearing and keep the thermal conditions of the engine fuel and lubricating oil within an appropriate temperature range.

2. It has a certain thermal stability. In actual use, the automobile coolant is in a working environment where heat and cold are alternated and repeated, which requires the coolant to maintain good stability within a certain period of time without decomposition or volatilization. .

3. It has no corrosive effect on the equipment, and has no or a small degree of corrosive effect on the structural materials of the engine cooling system such as various metals, rubber, synthetic resins, etc.