Nulon Radiator Corrosion Protector is a Type B corrosion inhibitor type coolant concentrate designed for use in vehicles and machinery where glycol coolants and Anti-freeze/anti-boil protection is not required. Nulon Radiator Corrosion Protector offers great corrosion resistance and is suitable for use with all metal types generally found in cooling systems, such as brass, copper, aluminium and cast iron. The long life inhibitors offer protection for up to 3 years or 100 000km and the concentrated formula is recommended to mix at a 5% ratio with demineralised water to provide up to 10L of coolant. Nulon Radiator Corrosion Protector includes a built in water wetting agent that reduces fluid surface tension offering better spreading abilities and increased protection To find the correct coolant suggested for your vehicle; either add your vehicle to My Garage or check with your manufacturer, vehicle user manual, your local mechanic or head in-store and talk to one of our friendly team.