Marine Fuel 0.5 bunker: Specifications generally conform with ISO 8217:2010 standards for RMG fuels but the additional requirement of a minimum viscosity of 30 CST at 50 degrees Celsius. These include: Calculated Carbon Aromaticity Index: 870 maximum; Sulphur: maximum 0.5; Flash point: minimum 60 degrees Celsius; Hydrogen sulphide: 2 mg/kg maximum; Acidity: 2.5 mg KOH/g maximum; Pour point (upper) winter quality: 30 degrees Celsius maximum, summer quality: same; Water: 0.5 maximum; Ash: 0.10 maximum; Vanadium: maximum 350 mg/kg; Sodium: maximum 100 mg/kg; Aluminium plus Silicon: 60 mg/kg maximum.

IFO 500 CST

Platts IFO 500 CST assessments reflect specifications for RMK 500 CST, ISO 8217: 2010. These include: Approximate Kinematic Viscosity: maximum 500 CST at 50 degrees Celsius; Sulphur: maximum 3.5 Flash point: minimum 60 degrees Celsius; Pour point (upper) winter quality: maximum 30 degrees Celsius, summer quality: same; Water: maximum 0.5 Ash: maximum 0.15 Vanadium: maximum 450 mg/kg; Aluminium plus silicon: maximum 60 mg/kg.‎‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎

IFO 380 CST

Specifications generally conform with that of RMG 380 CST, ISO 8217:2010. These include: Approximate Kinematic Viscosity: maximum 380 CST at 50 degrees Celsius; Calculated Carbon Aromaticity Index: 870 maximum; Sulphur: maximum 3.5 Flash point: minimum 60 degrees Celsius; Hydrogen sulphide: 2 mg/kg maximum; Acidity: 2.5 mg KOH/g maximum; Pour point (upper) winter quality: 30 degrees Celsius maximum, summer quality: same; Water: 0.5 maximum; Ash: 0.10 maximum; Vanadium: maximum 350 mg/kg; Sodium: maximum 100 mg/kg; Aluminium plus Silicon: 60 mg/kg maximum. ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎ ‎‏‏‎

IFO 180 CST

Specifications generally conform with that of RME 180 CST, ISO 8217:2010. These include: Approximate Kinematic Viscosity: maximum 180 CST at 50 degrees Celsius; Calculated Carbon Aromaticity Index: 860 maximum; Sulphur: maximum 3.5 Flash point: minimum 60 degrees Celsius; Hydrogen sulphide: 2 mg/kg maximum; Acidity: 2.5 mg KOH/g maximum; Pour point (upper) winter quality: 30 degrees Celsius maximum, summer quality: same; Water: 0.5maximum; Ash: 0.070 maximum; Vanadium: maximum 150 mg/kg; Sodium: maximum 50 mg/kg; Aluminium plus Silicon: 50 mg/kg maximum. Ultra low sulphur bunker fuel: Platts assess 0.1sulphur bunker fuel. Specifications in Europe conform to an RMD 80 specification.