Introduction The full mini jeep manufacturers of the coolant should be called antifreeze coolant, which means coolant with antifreeze function. Antifreeze can prevent the coolant from freezing and cracking the radiator and freezing the engine cylinder block when parking in cold seasons, but we have to correct a misunderstanding , Antifreeze is not only used in winter. In normal car maintenance items, engine antifreeze needs to be replaced every year after driving. Special vehicle antifreeze needs to be replaced more frequently. There are many types of automobile antifreeze, 1,

like calcium chloride (CaCl2) in inorganic substances, methanol (CH3OH) in organic substances, ethanol (C2H5OH, common name alcohol), ethylene glycol (C2H4 (OH) 2, common name sweet alcohol) ), glycerol (C3H5(OH)3, commonly known as glycerin), lubricating oil and the common sugar and honey in our daily life can all be used as the mother liquor of antifreeze. Add appropriate amount of pure soft water (without or a small amount of calcium) , Magnesium ion water, such as distilled water, unpolluted rainwater, snow water, etc., the total hardness of the water quality is between 0-30ppm),

it can become an antifreeze in the general sense. Since methanol/ethanol is relatively volatile, it is not suitable for northern vehicles. In addition to antifreeze, antifreeze also has the following advantages: The engine and its cooling system are made of metal, including copper, iron, aluminum, steel, and solder. When these antifreeze metals come into contact with water at high temperatures, they will corrode and rust over time. The antifreeze not only does not cause corrosion to the engine cooling system, but also has anti-corrosion and rust removal functions. The boiling point of water is 100°C,

and the boiling point of high-quality antifreeze coolant is usually above zero at 110°C. Therefore, when used in summer, antifreeze coolant is more difficult to boil than water. The biggest headache for drivers when using water as a coolant is the problem of scale. Scale adheres to the metal surface of the water tank and water jacket, making the heat dissipation effect worse and worse, and it is also very difficult to remove. The high-quality antifreeze is made of distilled water and added with anti-scaling additives, which not only does not produce scale, but also has the function of descaling.

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