Maritec Pte Ltd has tested five samples representing VLSFO deliveries in Singapore with flashpoint as low as 50°C for the period of 12 to 24 June...
VLSFO bunker samples from vessels bunkered in Singapore showed flash points between 51 and 57°C which is below the ISO 8217 minimum requirement of 60°C.
CTI-Maritec obtained feedback from vessels encountering rapid wear on fuel pumps on main propulsion engines and increased deposit formation in the exhaust system.
Fuels with high sediments can result in excessive sludge deposition in tanks and throughout the handling and treatment/fuel injection systems, said the laboratory.
Presence of Phenolic compounds at high levels contravenes the revised MARPOL Annex VI regulation 18.3 and International Marine Fuel Standard ISO 8217, Clause 5.
High sediment fuels can impede the purification process and promote sludge build up in purifiers, which can also lead to potential wear damage, the company cautions.
Suppliers will need to provide an actual measured flashpoint value on the bunker delivery note, unless the flashpoint has been measured at or above 70°C.
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