UNITED Glycol-G11 Antifreeze Coolant is a concentrated glycol formulated with organic acid technology. It was free from Amine, Phosphate, Silicate, Borax as well as Nitrite. It is compatible with Aluminium or Copper/Brass and mixed Aluminium/Copper/Brass cooling circuits. It is designed to offer outstanding protection for the cooling system for 5 years or 240,000km. This patent formula is especially recommended for use in all and newer vehicles as well as all other cars and light duty trucks with aluminium radiators.