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Universal Coolant (green) is ethylene glycol with corrosion inhibitors containing phosphates and silicate. Long life coolant (red) is an advanced, long service coolant based on Organic Acid Technology corrosion inhibitors plus ethylene glycol. It is without phosphate and silicate. Old cooling systems were made from cast iron, steel, copper, brass, metals that need silicate based inhibitors. New cooling systems are mainly made from aluminum that need a different type of inhibitors. Long life cool

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CAR ENGINE COOLANT AND HOW IT WORKS || BY KAMSIPARTS AUTOMOTIVE LIMITED