PEAK Commercial & Industrial Heavy Duty ELC NF Extended Life Nitrite-Free Coolant/Antifreeze has been developed to meet the changing requirements of Domestic, European and Asian OEM’s. Because nitrite from OAT HD formulations can cause aluminum corrosion in the presence of brazing residues, the latest Detroit Diesel and Mercedes-Benz (MB) engines and vehicles are currently factory-filled with nitrite-free (NF) extended life technology. The nitrite-free formulation is based on proven carboxylate organic acid technology (OAT), and is designed for use in all diesel, gasoline and natural gas engines from light, medium, to heavy duty on-highway applications. The nitrite-free inhibitor system provides complete CAB brazed aluminum, corrosion and erosion protection while maintaining optimum heat transfer conditions for total HD engine system performance.
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