Properties and use of carboxilate antifreeze

Carboxilate antifreeze is a modern high-tech product based on monoethylene glycol with a complex of modifying organic additives. The cooling liquid can effectively protect the working nodes and parts of the engine from overheating and chemical corrosion.

Carboxilate antifreeze


Antifreeze swells are non-freezing substances for the car’s cooling system. Liquids include distilled water, additives and chemical varieties of glycolyl compounds (ethylene glycol, propandiol, etc.).

The operational properties of alcohol-containing solutions depend on the technical characteristics and chemical structure of the modifying additives. How technologically correct will be selected the composition of the components of the mixture, so effective and durable will be frost-resistant composition.

Recently, antifreezes with additives based on carbon (carboxilate) acids are particularly popular. Carboxilats are able to create a protective solid film on the inner surfaces of the engine cooling system, and thus protect it from chemical corrosion.

Properties of carbon non-freezing liquids

Carboxilate antifreeze (G12) is a transparent red or pink liquid. The G12 is the designation of the cooling mixtures that have replaced the G11. The G11 antifreezes were made using silicate additives, which were intended for copper and brass radiators.

Carboxilate antifreeze g12

Modern engines and hinged cooling system equipment are made from light aluminum alloys. For this type of units and was developed OJ with special additives.

Its fundamental difference from traditional liquids is a unique set of modifying additives. The basis of their structure is carbon iced salts. These reagents are good retardants of corrosive processes.

In the event of signs of destruction of the inner surface of the cooling system, they accurately affect the affected area, covering the site of chemical exposure with a protective film.

Due to the principle of local intervention, the consumption of active reagents is reduced, which significantly increases the life of the solution used. At the same time, there is a high structural stability of the composition even when working in difficult temperature conditions (110-135 degrees Celsius).

Key properties:

Antifreeze carboxilate red

  • No active impurities that contribute to hard deposits: borats, aminas, nitrites, silicates, etc.
  • Low temperature threshold of freezing.
  • High heat intensity and thermal conductivity.
  • Low viscosity solution, especially in the winter period of operation.
  • It does not foam (reduces the probability of steam jams).
  • The lifespan is 250,000 km of mileage.
  • It extends the life of the water pump by 15%.
  • Compatibility with materials components (engine compartment): hoses, seals, etc.

Recommendations for the use of coolant

Operating requirements for carbon antifreeze:

Different models of cars are designed to be different in their fluid structure. It is strictly forbidden to pour antifreeze into the engine, which is not envisaged by the manufacturer.

Antifreeze g12

It is not recommended to combine in the cooling system composites of different brands, even with the same basic components. Because the chemical composition of the modifiers of one solution may not be compatible with the components of another.

Each mixture has its own lifespan. Exceeding this boundary leads to a deterioration in fluid performance. The first signs of such deviations are: a gradual change of the original color of the liquid and the appearance of insoluble sediment at the bottom of the expansive tank. In this case, it is recommended that a complete replacement of antifreeze is recommended.

Frost-resistant alcohol-containing compounds, unlike water, have high mobility. This should be taken into account when changing cooling fluids. Before pouring the reagent, you need to carefully check the tightness of all the compounds in the system.

The level of antifreeze in the engine should be regularly monitored and distilled water should be poured in a timely manner. The freezing temperature limit of the liquid can increase even if the volume of carbon iced acid is excessive.

Compatibility with other antifreeze

Carboxilate antifreeze (G12) can be combined only with coolers from the same chemical range, it is:

What antifreeze g12

  • G12. Hybrid technology, with the introduction of some proportion of silicate additives into the base fluids.
  • The G12 is the same as the previous class, only with mineral-based additives.
  • The G13 is a new OJ based on propylene glycol.

Manufacturers of cooling liquids

Lukoil G12

Lukoil G12 (Russia) — antifreeze qualitatively protects the engine from chemical corrosion, overheating, defrosting; neutral to polymers and rubber seals.

Felix Carbox G12

Felix Carbox G12 is a Russian-made liquid suitable for all types of cars.


SINTEC LUX G12 (Russia) — OH for modern aluminium engines operating in difficult temperature conditions.

Алексей Назаров/ автор статьи

Руководитель сети СТО с огромным стажем работы.

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