Radiator Coolant : 50 :50 is a coolant and corrosion inhibitor formulated using virgin ethylene glycol to enable effective performance in radiators, engine jackets, piping and heat exchangers by depositing a protective mirco-thin film on all metal surfaces contacted. Note: Radiator Coolant 50:50 is a â??READY TOUSE PRODUCT â?? DO NOT ADD WATERâ??. APPLICATION For use in passenger cars, light and heavy-duty commercial vehicles, off road stationary equipment found in construction, agriculture, mining, power generation and marine, sectors. BENEFITS Adequate operating temperature range against boiling and freezing of the coolant. Excellent protection against corrosion of ferrous, yellow and alloy metals, including aluminium. Prevents cavitation and prolongs life of water pumps. Does not affect rubber hoses and seals.