Chem Zone Coolant is specially formulated ready to use long life engine coolant. Chem Zone Coolant meets or exceeds the ASTM D3306 and D4985 specifications for ethylene glycol based engine coolants. Chem. Tech coolant protects the cooling system from liquid boil-over and works as an exceptional coolant in summer season. In winter or freezing zones where the temperature is below 0 oC, Chem Zone Coolant coolants works as an outstanding antifreeze and protects the cooling system from the damage of liquid freezing. Due to high performance corrosion inhibitors presents in it, Chem Zone Coolant also works as super anti-rust. It protects the cooling system metals including iron, aluminum, and brass from rusting and corrosion. Chem Zone Coolant does not form scale or sludge in the cooling system since advance sludge conditioners and scale inhibitors are incorporated in it. Ready to use Chem Zone Coolant is formulated in deionised water.