GUIDE TO COOLANT ANALYSIS AND COOLING SYSTEM …

GUIDE TO COOLANT ANALYSIS AND COOLING SYSTEM MAINTENANCE. COOLANT FORMULATIONS & RECOMMENDED TEST PACKAGES. Conventional COOLANT Extended Life COOLANT Extended Life COOLANT Automotive, Light Duty & Heavy Duty engines (1st Generation) (2nd Generation). Ethylene glycol, propylene glycol or glycerin base (OAT, NOAT & HOAT) (NAP-Free or NAPS-Free & P-OAT). Inorganic inhibitor package for metal corrosion and cavitation pitting protection Organic Acid Technology (OAT) North American & European Formulated Coolants Typical color: Orange Typical color: Red Components Automotive and Light Duty Heavy- and light-duty diesel, natural gas, and Typical Color: Green/Yellow, Pink, Blue, Purple Controls corrosion gasoline engines Ethylene/Propylene Glycol or Glycerin based Nitrite, Amine, Phosphate Free Freeze point suppression Nitrite Organic Acid Technology (NOAT) Combination of organic acids as inhibitor package B

— Mixing ELC coolant formulations with conventional coolant will degrade ELC benefits. — If changing from a conventional to an ELC product flush the system thoroughly first unless conversion fluid is used. — Coolant components listed above do not reflect all components utilized in all 2nd generation ELC coolants manufactured. Test Package

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  Analysis, System, Cooling, Coolant, Coolant analysis and cooling system, Elc coolant

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