After a number of ships experienced fuel contamination problems with seemingly on-spec fuels, many worry that such cases will increase as the market is fearful about the quality of fuel bends provided to meet the new 0.50% sulphur limit in 2020. However, IBIA notes that ‘the contamination cases are completely unrelated to low sulphur fuel oil blending’.
Regarding the cause of the contamination, a common view is that the fuels causing sticking of fuel pumps contain adhesive chemical compounds and...
https://safety4sea.com/ibia-fuel-contamination-not-related-with-low-sulphur-fuel-oil-blending/