Granville Rapid Cool Blue Antifreeze and Coolant is a Monoethylene Glycol based antifreeze that does not contain nitrates,amines or phosphates. Rapid Cool Blue Antifreeze contains corrosion inhibitors suitable for aluminium engines and is suitable for use in petrol and diesel engines. Recommended for use by Granville for the following manufacturer's specifications: • BS: 6580:2010 • AFNOR: NF R15-601