Oil for low sulphur fuels from ExxonMobil
ExxonMobil says its new 25BN oil for low sulphur applications has been proven to reduce deposits compared with a standard 40BN lubricant
ExxonMobil has joined at least two other major oil suppliers in launching, at SMM in Hamburg this week, a cylinder oil intended for use in two-stroke engines operating on fuels with very low sulphur levels.
The company says that Mobilgard 525 is designed to support marine operators using 0.1% sulphur fuels in ECAs, in compliance with the limits entering into force on 1 Jan 2015. The switch to these fuels, such as MGO, presents new lubrication challenges when compared to the use of HFO. Mobilgard 525 is said to have been engineered to address issues such as deposit formation and scuffing-related engine wear that can occur when operating on low sulphur fuel.
The 25BN formulation uses high quality base oils and a ‘balanced formulation’ approach. ExxonMobil claims that Mobilgard 525 has been shown to deliver superior piston ring deposit control, engine cleanliness and high temperature performance when compared to a 40BN marine cylinder oil. It has been developed in collaboration with OEMs, and the company says it meets both MAN Diesel & Turbo and Wärtsilä requirements for use when operating on MGO, and is recommended by ExxonMobil for engines built to Tier 1 and Tier 2 standards and burning low sulphur distillate and residual fuels.
The company says it now has a full range of products to help optimise performance of current and new-generation two-stroke engines, and recommends use of its high performance cylinder oils in conjunction with the CCM cylinder condition monitoring service.
“Next year vessel operators have a number of options to comply with the pending ECA sulphur limit,” said Ray Pomfret, manager, global marine lubricants sales. “With Mobilgard 525, customers now have a high performance cylinder oil that is formulated for use with ECA compliant MGO and our new category of marine fuel ExxonMobil Premium HDME 50. Mobilgard 525 will help ensure vessel operators can meet the new ECA requirements without compromising on engine protection and performance.”
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