Granville Zerocol 40 Antifreeze is a Si-OAT ethylene glycol based long life antifreeze and coolant providing all year round protection against frost and corrosion. Zerocol 40 contains a rust inhibitor package that is based on salts of Organic Acid's and Silicate, it is Nitrite, Amine, Phosphate (NAP) and Borate free. Zerocol 40 has exceptional thermal stability which eliminates the risks of deposit build up in the engine cooling system.
