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Antifreeze coolant -ready to use.


Castrol Radicool NF premix is a ready to use antifreeze coolant formulated using monoethylene glycol and selected additives, free from nitrite, amine and phosphate inhibitors. It uses hybrid technology for the modern performance engines of cars and trucks.

This product requires no customer dilution therefore ensures the correct concentration is always used.

Castrol Radicool NF Premix provides year round protection against corrosion, and offers freezing protection down to -35 deg C


Castrol Radicool NF premix has been developed to meet the growing demand from engine and vehicle manufacturers for a higher performance coolant that minimises environmental impact. It provides excellent protection against corrosion, and because it contains no phosphate, the problems of deposits in some modern performance engines are eliminated. In addition to providing excellent corrosion and low temperature protection, the use of the recommended level of antifreeze will significantly reduce the likelihood of wet cylinder liner pitting due to "cavitation erosion". Cavitation erosion is caused by the implosion of air bubbles present in the coolant and which are attracted to the liner outer surface. These bubbles implode, resulting in the removal of minute amounts of liner material - this, if allowed to continue unchecked, will result in liner porosity and severe engine damage.

OEM approvals.

Protects for up to 3 years.

Excellent low temperature protection.

Provides excellent protection against corrosion.

Efficient lubrication of water pumps.

Compatible with conventional seal and hose materials used in engine cooling systems.

Contains bittering agent.

In the majority of cases, coolants are not compatible and should not be mixed with other coolants unless directed by the equipment manufacturer. If using Castrol Radicool NF Premix for the first time, ensure that the cooling system has been adequately flushed with clean water before use.


Radicool NF Premix has a shelf life of 2 years when stored in air tight containers at a maximum temperature of 30°C . In warm climates containers should not be stored outside in direct sunlight. It can be stored in mild steel lacquer lined or HDPE containers. Galvanised containers and handling equipment should not be used.