... ANTI-BOILING 2.ANTI-RUST/ ANTI-SCALING 3.PROTECTS COOLING SYSTEM Features:1.Anti rust, restrain the scale formed, prevent ... reduce the cooling fluid vaporization and provide lubrication2.Prevent cooling system too heat while engine keep working. Avoid the damage ... fill it into the radiator directly.4.Widely use in the cooling system, environmental friendly,Not contained nitrous acid, And phosphate ...