ENOC EN-COOL HEAVYDUTY NM is a high performance long-life coolant that is based on advanced hybrid technology of organic acids and inorganic salts required for heavy duty diesel engines with wet liners. It’s an exclusive formulation based on a unique blend of Nitrite & Molybdat with organic acids giving protection against liner pitting & providing long life performance. EN-COOL HEAVYDUTY NM ensures long term protection against corrosion for all metallic surfaces (ferrous and nonfrerrous) that form part of the engine cooling system.