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Delo ELI Corrosion Inhibitor

Delo® ELI Corrosion Inhibitor is a water-based inhibitor, super concentrate, using a patented synergistic combination of aliphatic carboxylates that also contains nitrite and molybdate as secondary inhibitors.

Commercial Manufacturing

Always confirm that the product selected is consistent with the original equipment manufacturer's recommendation for the equipment operating conditions and customer's maintenance practices.

For full product description see the PDS

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Consumer Benefits

Delo ELI Corrosion Inhibitor delivers value through:

  • Long Service Life — 600,000 miles, 1,000,000 km, 12,000 hours, 6 years in on-road and off-road engine applications and 32,000 hours or 8 years in stationary engines with yearly testing required.
  • Corrosion Protection — Extended life corrosion protection in aqueous solutions for engine metals, including aluminum, iron, steel, brass, copper and solder alloys.
  • Compatibility — Compatible with glycol-based engine coolants and other water based corrosion inhibitors. Dilution of this product by more than 25% with other inhibitor technologies will reduce inhibitor protection performance. Excellent elastomer compatibility.

Delo ELI Corrosion Inhibitor is a water based, extended life corrosion inhibitor based on aliphatic carboxylates that is recommended for use in a wide variety of cooling systems in industrial, on-road, off-road and stationary applications.


Delo ELI Corrosion Inhibitor is recommended for use in industrial and commercial cooling systems where the OEM recommends a silicate free, nitrite containing water based corrosion inhibitor system.