The main components of antifreeze are glycol, calcium chloride (CaCl2) in inorganic substances, methanol (CH3OH) in organic substances, ethanol (C2H5OH, commonly known as alcohol), glycerin (C3H5 (OH) 3, commonly known as glycerin), and lubricating oil.
Antifreeze can prevent the coolant from freezing when parking in cold winter, and crack the radiator and freeze the engine cylinder block. Full name antifreeze coolant.
Glycol, calcium chloride (CaCl2) in inorganic matter, methanol (CH3OH) in organic matter, ethanol (C2H5OH, commonly known as alcohol), glycerin (C3H5 (OH) 3, commonly known as glycerin), lubricating oil.
At present, more than 95% of water-based antifreeze with glycol is used at home and abroad. Compared with tap water, the most significant feature of glycol is antifreeze, but water can not. Secondly, glycol has high boiling point, low volatility, moderate viscosity, small temperature change and good thermal stability. Therefore, glycol antifreeze is an ideal coolant.
防冻液是根据成分不同分为很多类的，包括氯化钙、乙二醇（最为常见）、甘油等，甚至我们平时经常会吃的蜂蜜配上水也可以做防冻液。而且汽车防冻剂的种类也很多，像无机物中的氯化钙（CaCl2）、有机物中的甲醇（CH3OH）、乙醇（C2H5OH，俗名酒精）、乙二醇（C2H4（OH）2，俗名甜醇）、丙三醇（C3H5（OH）3，俗名甘油）、润滑油以及我们日常生活中常见的砂糖、蜂蜜等，都可作为防冻液的母液，在加入适量纯净软水（不含或少量含有钙、镁离子的水，如蒸馏水、未受污染的雨水、雪水等，其水质的总硬度成分浓度在 0-30ppm 之间）后，即可成为一般意义上的防冻液。
Antifreeze is divided into many categories according to different ingredients, including calcium chloride, glycol (the most common), glycerin, etc. even the honey we usually eat with water can be used as antifreeze. There are also many kinds of automobile antifreeze, such as calcium chloride (CaCl2) in inorganic substances, methanol (CH3OH) in organic substances, ethanol (C2H5OH, commonly known as alcohol), glycol (C2H4 (OH) 2, commonly known as sweet alcohol), glycerin (C3H5 (OH) 3, commonly known as glycerin), lubricating oil and the sugar and honey that are common in our daily life, which can be used as mother liquor of antifreeze Add a proper amount of pure soft water (without or with a small amount of water containing calcium and magnesium ions, such as distilled water, unpolluted rainwater, snow water, etc., and the total hardness component concentration of the water is between 0-30ppm), then it will become a general antifreeze.
To sum up: antifreeze is a kind of antifreeze mainly composed of glycol and other chemicals with different functions. Antifreeze is a kind of coolant with special additives, which is mainly used in the cooling system of liquid cooled engine. Antifreeze has excellent performance such as antifreeze in winter, anti boil in summer, anti scaling and anti-corrosion throughout the year.