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MDO/MGO Spec

Latest ISO 8217 Fuel Standard Fourth Edition 2010 Marine Distillate Fuels

PARAMETER UNIT LIMIT RMA(A) RMB RMD RME RMK
Viscosity at 50°C mm²/s Max 10.00 30.00 80.00 180.00 180.0 380.0 500.0 700.0 380.0 500.0 700.0
Density at 15°C kg/m³ Max 920.0 960.0 975.0 991.0 991.0 1010.0
Micro Carbon Residue % m/m Max 2.5 10.00 14.00 15 18.00 20.00
Aluminium + Silicon mg/kg Max 25 40 50 60
Sodium mg/kg Max 50 100 50 100
Ash % m/m Max 0.040 0.070 0.100 0.150
Vanadium mg/kg Max 50 150 350 450
CCAI Max 850 860 870
Water % V/V Max 0.30 0.50
Pour point (upper) (b), Summer °C Max 6 30
Pour point (upper) (b), Winter °C Max 0 30
Flash point °C Min 60.0
Sulphur (c) % m/m Max Statutory requirementa
Total Sediment, age % m/m Max 0.10
Acid Number (e) mgKOH/g Max 2.5
Used lubricating oils (ULO): mg/kg The fuel shall be free from ULO, and shall be considered to contain ULO when either one of the following conditions is met:
Calcium and Zinc; or Calcium and mg/kg Calcium > 30 and zinc >15; or
Phosphorus mg/kg Calcium > 30 and phosphorus > 15.
Hydrogen sulphide (d) Max 2.0
(a) This residual marine fuel grade is formerly DMC distillate under ISO 8217:2005.
(b) Purchasers shall ensure that this pour point is suitable for the equipment on board, especially in cold climates.
(c) The purchaser shall define the maximum sulphur content according to the relevant statutory requirements
(d) Effective only from 1 July 2012.
(e) Strong acids are not acceptable, even at levels not detectable by the standard test methods for SAN.