Never mix products of various classes, even if they are the same colour: as you can see, products with different contents can be the same colour. For instance, it is prohibited to use OAT and HOAT fluids in brass radiators. Choose only products that are suitable for your vehicle.
This directly affects the integrity of cooling system elements and its efficiency. Replace the coolant within the recommended intervals. They contain organic corrosion inhibitors and are known for their long lifespan. Based on propylene glycol: these products are less poisonous than all the products noted above based on ethylene glycol.They have a long service life and are usually bright red or purple in colour. Such coolants are especially efficient for protection of aluminium radiators. They are perfect for highly loaded units. They have a higher boiling point – up to 135° C. Lobrid or SOAT (Low hybrid or Silicon enhanced Organic Acid Technology): along with organic additives, these contain silicon compounds.They can be different colours: pink, blue-green, but more often yellow or orange. They retain efficiency for several years of use.
They are cheaper than the OATs and better protect from corrosion than IATs. HOAT (Hybrid Organic Acid Technology): these products contain organic and inorganic additives.The products of this class are bright red, orange, or purple in colour. They must not be mixed with other types of coolants. They provide excellent protection to system parts from corrosion and cavitation. OAT (Organic Acid Technology): these are a mixture of monoethylene glycol with organic additives – carboxylates.Such compounds are inexpensive, but require more frequent replacement. These coolants are often green or blue-green. Over time, their number is reduced, and elements of the system are exposed to corrosive influences. These additives, reacting with each other, create a protective film on the surfaces of the parts. IAT (Inorganic Acid Technology): these are based on a water-glycol solution and non-organic additives, mostly phosphates, nitrates, and silicates.It can also heat the air inside the vehicle. It serves to dissipate the heat from hot engine parts and other units. Learn more about Antifreeze - operation method, diagnosis, causes of faults and replacement intervals.Įngine coolant is a technical fluid in the engine cooling system.
RADIATOR FLUID FREE
Chemical Properties: Free of silicate, Amine free, Phosphate free, Free of nitrite.
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