DELO ELC 50/50 Delo ELC Advanced Antifreeze/Coolant products have a patented formulation for protection, and compatibility with flux brazing residue present from the manufacturing process of todayâs aluminum heat exchangers. Delo ELC Advanced products are the next generation, ethylene glycol based NOAT (Nitrited Organic Additive Technology) products to provide excellent extended life coolant system protection in diesel, natural gas and CNG engines for both on- and off-road applications.
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