Antifreeze has always played an important role in the internal cooling of the engine of the car and its choice is extremely important for smooth operation and durability of the vehicle. It has a water-glycolic base, which makes it resistant to low temperatures. It is the most popular cooling solution among auto enthusiast.
What are the types of antifreeze?
This fluid is conventionally divided into four types - organic, inorganic, concentrated and diluted fluid. There is a significant difference in the first two.
The organic ones are marked with the signs "G12", "G12 +" or "G12 ++". This type does not form a protective layer on the metal, but is enriched with different additives that prevent the formation of oxides and corrosion on the metal components. This type is not appropriate for use in engines that are made of copper and brass components.
Inorganic ones are indicated by "G11". They are suitable for all kinds of engines, whose elements are produced by any type of metal. They form a protective cover, which prevents the elements from various negative effects. With continuous use the coverage increases, which reduces heat loss from the system. Experts advise its replacement to be carried out every 2-3 years.
There are also concentrates and diluted motor fluids on the market. The first one should be diluted with distilled water in proportions indicated on the label by the manufacturer, and the other is simply poured into the cooling system.
What is the difference between the various colors of antifreezes?
Common colors are red, blue and violet. The coloring liquid is entirely a marketing trick and has no influence on the working and efficient characteristics. When choosing it is crucial to check the working properties on the label and not to be guided by color variations. A good idea is also to comply your choice with the additives in the antifreeze.
The indications are:
- G11 son;
- G12 red;
- G12 + violet;
- G12 ++ violet.
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