Cooltreat AL 25 l

  • Product Group: 653
  • Product number: 680843

General description

NALFLEET™ Cooltreat AL is an organic liquid corrosion inhibitor with extended life for use in closed cooling water systems. This product offers protection for all commonly used materials in engine cooling water systems, including aluminium. Unlike other coolants, NALFLEET™ Cooltreat AL does not contain components subject to rapid depletion i.e. Nitrite and Silicate. Based on aliphatic acid technology NALFLEET™ Cooltreat AL is stable and hence the test frequency can be reduced. NALFLEET™ Cooltreat AL is fully organic and biodegradable.


  • Liquid product, easy to use
  • Environmentally friendly, fully organic product, low toxicity
  • Effective against cavitation and erosion. Superior heat transfer properties
  • Compatible with hoses, gaskets and seals
  • Compatible with glycols for frost protection
  • Stable product-non depleting


  • The product can be used for corrosion inhibition in many types of closed re-circulation system such as:
    • Diesel engine cooling water systems
    • Compressor cooling water systems
    • Centralised cooling systems
    • Hot water heating systems
    • Auxiliary machinery cooling systems
  • Approved by major engine manufacturers

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A part of Wilhelmsen Maritime Services,
a Wilh. Wilhelmsen group company