November 19


The guideline explains stability and compatibility of marine fuel oils in a practical way and provide advise on how to manage these fuel properties in the supply chain and onboard ships. Details on the accepted available test methodologies for stability and for predicting compatibility are included, covering their applicability and correct interpretation.

The Guideline compliments and expands on the information given in ISO/PAS 23263:2019 “Considerations for fuel suppliers and users regarding marine fuel quality in view of the implementation of maximum 0.50% Sulphur in 2020” (hereafter referred to as “the PAS”).


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