MANNOL Coolant G11 5 Litre A silicate (inorganic – IAT Inorganic Acid Technology) ready-for-use solution, designed for a year-round use in any modern cooling systems containing copper, brass and aluminium components for which the use of an ethyleneglycol-based antifreeze is recommended. Product properties: - It ensures a reliable protection of metals and alloys (brass, copper, alloytreated steel, cast iron, aluminium) from all forms of corrosion, as well as prevents a high-temperature corrosion of aluminium surfaces of modern engines; - It protects from deposit formation; - It has excellent heat conductivity properties and a resistance to foam formation; - It is neutral to inserts and hoses, compatible with all types of rubber and plastic components of a cooling system; - It is a silicate liquid with exceptional service qualities. It does not contain nitrates, phosphates, amines (the NAP free technology).