What is the difference between different colors of antifreeze?

[MacNova]

In fact, the color is caused by adding dye to the liquid, which is only used to distinguish it from other liquids and has no other special functions. It can also help users distinguish when selecting antifreeze to prevent different antifreeze from being mixed and damaging the engine. The following is a related introduction about antifreeze: 1. Ingredients: The main components of antifreeze are ethylene glycol, propylene glycol, and diethylene glycol. Ethylene glycol is generally green, propylene glycol is red with a hint of orange, and diethylene glycol is blue. 2. Protective effects: (1) It provides anti-corrosion protection for the components of the cooling system. (2) It prevents scale formation and avoids reducing the heat dissipation effect of the radiator. (3) It ensures that the engine can operate within the normal temperature range. 3. Anti-corrosion function: The engine and its cooling system are made of metal, including copper, iron, aluminum, steel, and solder. These metals will corrode and rust when exposed to water at high temperatures for a long time. Antifreeze not only does not cause corrosion to the engine cooling system but also has anti-corrosion and rust removal functions.