Changes to the regulatory environment can significantly affect our clients’ operations. We attempt to follow closely all developments in international regulations affecting the bunker world, seeking to always be in a position to provide valuable advice to our clients. Please call us if you would like to discuss with RUDDER’s staff any pending issues, or any other bunker regulations that might affect your business.
Rudder is firmly committed to conducting business in full compliance with climate change regulations and ESG (Environmental, Social, and Governance) principles.
The company is equally dedicated to supporting humanitarian and environmental initiatives, acting with awareness and responsibility. From its inception, Rudder has been guided by strong human values that remain deeply embedded in its operations. These enduring principles set the company apart, even in a constantly evolving world.
For Marine Residual Fuels
| Limit | Parameter | RMA30 | RMB30 | RMD80 | RME180 | RMF180 | RMG380 | RMH380 | RMK380 | RMH380 | RMK700 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max. | Viscosity at 50°C (mm2/s) | 30.0 | 80.0 | 180.0 | 380.0 | 700.0 | |||||
| Max. | Density at 15°C (kg/m3) | 960.0 | 975.0 | 980.0 | 991.0 | 991.1 | 1010.0 | 991.0 | 1010.0 | ||
| Max. | Micro Carbon Residue (% m/m) | 10 | 14 | 15 | 20 | 18 | 22 | 22 | |||
| Max. | Aluminium + Silicon (mg/kg) | 80 | 80 | 80 | 80 | 80 | |||||
| Max. | Ash (% m/m) | 0.10 | 0.10 | 0.10 | 0.15 | 0.15 | 0.15 | 0.15 | |||
| Max. | Vanadium (mg/kg) | 150 | 350 | 200 | 500 | 300 | 600 | 600 | |||
| Max. | Water (% V/V) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |||||
| Max. | Pour point in Summer (°C) | 6 | 24 | 30 | 30 | 30 | 30 | ||||
| Max. | Pour point in Winter (°C) | 0 | 24 | 30 | 30 | 30 | 30 | ||||
| Min. | Flash point (°C) | 60 | 60 | 60 | 60 | 60 | |||||
| Max. | Sulphur (% m/m) | 3.50 | 4.00 | 4.50 | 4.50 | 4.50 | |||||
| Max. | Total Sediment, Potential (% m/m) | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | |||||
| Max. | Zinc (mg/kg) | 15 | |||||||||
| Max. | Phosphorus (mg/kg) | 15 | |||||||||
| Max. | Calcium (mg/kg) | 30 | |||||||||
for Marine Distillate Fuels
| Limit | Parameter | DMX | DMA | DMZ | DMB |
|---|---|---|---|---|---|
| Max. | Viscosity at 40 °C (mm²/s) | 5.5 | 6.0 | 11.0 | 14.0 |
| Min. | Viscosity at 40 °C (mm²/s) | 1.4 | 1.5 | – | – |
| Max. | Micro Carbon Residue at 10% Residue (% m/m) | 0.30 | 0.30 | – | – |
| Max. | Density at 15 °C (kg/m3) | – | 890.0 | 900.0 | 920.0 |
| Max. | Micro Carbon Residue (% m/m) | – | – | 0.30 | 2.50 |
| Max. | Sulfur (% m/m) | 1.0 | 1.5 | 2.0 | 2.0 |
| Max. | Water (% V/V) | – | – | 0.3 | 0.3 |
| Max. | Total Sediment Existent (% m/m) | – | – | 0.10 | 0.10 |
| Max. | Ash (% m/m) | 0.01 | 0.01 | 0.01 | 0.05 |
| Min. | Flash point (°C) | 43 | 60 | 60 | 60 |
| Max. | Pour point in Summer (°C) | – | 0 | 6 | 6 |
| Max. | Pour point in Winter (°C) | – | -6 | 0 | 0 |
| Max. | Cloud point (°C) | -16 | – | – | – |
| Min. | Calculated Cetane Index | 45 | 40 | 35 | – |
| Max. | Vanadium (mg/kg) | – | – | – | 100 |
| Max. | Aluminium + Silicon (mg/kg) | – | – | – | 25 |
| Max. | Zinc (mg/kg) | – | – | 15 | |
| Max. | Phosphorus (mg/kg) | – | – | 15 | |
| Max. | Calcium (mg/kg) | – | – | 30 | |
| Appearance | Clear and Bright | – | – | ||
For Marine Residual Fuels
| Limit | Parameter | RMA30 | RMB30 | RMD80 | RME180 | RMG180 | RMG380 | RMG500 | RMG700 | RMK380 | RMK500 | RMK700 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 30 | 80 | 180 | 180 | 380 | 500 | 700 | 380 | 500 | 700 | ||
| Max. | Viscosity at 50°C (mm2/s) | 10 | 30 | 80 | 180 | 180 | 380 | 500 | 700 | 380 | 500 | 700 |
| Max. | Density at 15°C (kg/m3) | 920 | 960 | 975 | 991 | 991 | 1010 | |||||
| Max. | Micro Carbon Residue (% m/m) | 2.5 | 10 | 14 | 15 | 18 | 20 | |||||
| Max. | Aluminium + Silicon (mg/kg) | 25 | 40 | 50 | 60 | |||||||
| Max. | Sodium (mg/kg) | 50 | 100 | 50 | 100 | |||||||
| Max. | Ash (% m/m) | 0.04 | 0.07 | 0.1 | 0.15 | |||||||
| Max. | Vanadium (mg/kg) | 50 | 150 | 350 | 450 | |||||||
| Max. | CCAI | 850 | 860 | 870 | ||||||||
| Max. | Water (% V/V) | 0.3 | 0.5 | |||||||||
| Max. | Pour point (upper) in Summer (°C) | 6 | 30 | |||||||||
| Max. | Pour point (upper) in Winter (°C) | 0 | 30 | |||||||||
| Min. | Flash point (°C) | 60 | ||||||||||
| Max. | Sulphur (% m/m) | Statutory requirements | ||||||||||
| Max. | Total Sediment, aged (% m/m) | 0.1 | ||||||||||
| Max. | Acid Number (mgKOH/g) | 2.5 | ||||||||||
| Used lubricating oils (ULO): Calcium and Zinc; or Calcium and Phosphorus (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 > 30 and zinc > 15; or Calcium > 30 and phosphorus > 15. | |||||||||||
| Max. | Hydrogen sulphide (mg/kg) | 2 | ||||||||||
for Marine Distillate Fuels
| Limit | Parameter | DMX | DMA | DMZ | DMB |
|---|---|---|---|---|---|
| Max. | Viscosity at 40°C (mm2/s) | 5.50 | 6.00 | 6.00 | 11.00 |
| Min. | Viscosity at 40°C (mm2/s) | 1.40 | 2.00 | 3.00 | 2.00 |
| Max. | Micro Carbon Residue at 10% Residue (% m/m) | 0.30 | 0.30 | 0.30 | – |
| Max. | Density at 15°C (kg/m3) | – | 890 | 890 | 900 |
| Max. | Micro Carbon Residue (% m/m) | – | – | – | 0.3 |
| Max. | Sulphur (% m/m) | 1.000 | 1.500 | 1.500 | 2.000 |
| Max. | Water (% V/V) | – | – | – | 0.30 |
| Max. | Total sediment by hot filtration (% m/m) | – | – | – | 0.10 |
| Max. | Ash (% m/m) | 0.01 | 0.01 | 0.01 | 0.01 |
| Min. | Flash point (0°C) | 43 | 60 | 60 | 60 |
| Max. | Pour point in Summer (0°C) | – | 0 | 0 | 6 |
| Max. | Pour point in Winter (°C) | – | -6 | -6 | 0 |
| Max. | Cloud point (°C) | -16 | – | – | – |
| Min. | Calculated Cetane Index | 45 | 40 | 40 | 35 |
| Max. | Acid Number (mgKOH/g) | 0.50 | 0.50 | 0.50 | 0.50 |
| Max. | Oxidation stability (g/m3) | 25 | 25 | 25 | 25 |
| Max. | Lubricity, corrected wear scar diameter (wsd 1.4 at 60°C) (um) | 520 | 520 | 520 | 520 |
| Max. | Hydrogen sulphide (mg/kg) | 2.00 | 2.00 | 2.00 | 2.00 |
| Appearance | Clear and Bright | – | |||
For Marine Residual Fuels
| Limit | Parameter | RMA10 | RMB30 | RMD80 | RME180 | RMG180 | RMG380 | RMG500 | RMG700 | RMK380 | RMK500 | RMK700 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 | 30 | 80 | 180 | 180 | 380 | 500 | 700 | 380 | 500 | 700 | ||
| Max. | Viscosity at 50°C (mm2/s) | 10 | 30 | 80 | 180 | 180 | 380 | 500 | 700 | 380 | 500 | 700 |
| Max. | Density at 15°C (kg/m3) | 920 | 960 | 975 | 991 | 991 | 1010 | |||||
| Max. | Micro Carbon Residue (% m/m) | 2.5 | 10 | 14 | 15 | 18 | 20 | |||||
| Max. | Aluminium + Silicon (mg/kg) | 25 | 40 | 50 | 60 | |||||||
| Max. | Sodium (mg/kg) | 50 | 100 | 50 | 100 | |||||||
| Max. | Ash (% m/m) | 0.04 | 0.07 | 0.1 | 0.15 | |||||||
| Max. | Vanadium (mg/kg) | 50 | 150 | 350 | 450 | |||||||
| Max. | CCAI | 850 | 860 | 870 | ||||||||
| Max. | Water (% V/V) | 0.3 | 0.5 | |||||||||
| Max. | Pour point (upper) in Summer (°C) | 6 | 30 | |||||||||
| Max. | Pour point (upper) in Winter (°C) | 0 | 30 | |||||||||
| Min. | Flash point (°C) | 60 | ||||||||||
| Max. | Sulphur (% m/m) | Statutory requirements | ||||||||||
| Max. | Total Sediment, aged (% m/m) | 0.1 | ||||||||||
| Max. | Acid Number (mgKOH/g) | 2.5 | ||||||||||
| Used lubricating oils (ULO): Calcium and Zinc; or Calcium and Phosphorus (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 > 30 and zinc > 15; or Calcium > 30 and phosphorus > 15. | |||||||||||
| Max. | Hydrogen sulphide (mg/kg) | 2 | ||||||||||
for Marine Distillate Fuels
| Limit | Parameter | DMX | DMA | DMZ | DMB |
|---|---|---|---|---|---|
| Max. | Viscosity at 40°C (mm2/s) | 5.5 | 6 | 6 | 11 |
| Min. | Viscosity at 40°C (mm2/s) | 1.4 | 2 | 3 | 2 |
| Max. | Micro Carbon Residue at 10% Residue (% m/m) | 0.3 | 0.3 | 0.3 | – |
| Max. | Density at 15°C (kg/m3) | – | 890 | 890 | 900 |
| Max. | Micro Carbon Residue (% m/m) | – | – | – | 0.3 |
| Max. | Sulphur (% m/m) | 1 | 1.5 | 1.5 | 2 |
| Max. | Water (% V/V) | – | – | – | 0.3 |
| Max. | Total sediment by hot filtration (% m/m) | – | – | – | 0.1 |
| Max. | Ash (% m/m) | 0.01 | 0.01 | 0.01 | 0.01 |
| Min. | Flash point (0°C) | 43 | 60 | 60 | 60 |
| Max. | Pour point in Summer (0°C) | – | 0 | 0 | 6 |
| Max. | Pour point in Winter (°C) | – | -6 | -6 | 0 |
| Max. | Cloud point (°C) | -16 | – | – | – |
| Min. | Calculated Cetane Index | 45 | 40 | 40 | 35 |
| Max. | Acid Number (mgKOH/g) | 0.5 | 0.5 | 0.5 | 0.5 |
| Max. | Oxidation stability (g/m3) | 25 | 25 | 25 | 25 |
| Max. | Lubricity, corrected wear scar diameter (wsd 1.4 at 60°C) (um) | 520 | 520 | 520 | 520 |
| Max. | Hydrogen sulphide (mg/kg) | 2 | 2 | 2 | 2 |
| Appearance | Clear & Bright | – | |||
Table 1 - Distillate and bio-distillate marine fuels
| Characteristics | Unit | Limit | Category ISO-F-m | Test method(s) and references | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMX | DMA | DFA | DMZ | DFZ | DMB | DFB | ||||||||||||||||||||||||
| General Requirements | Clauses 5 to 10 | |||||||||||||||||||||||||||||
| Kinematic viscoity at 40°C | MM2/Sa |
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ISO 3104 | ||||||||||||||||||||||||
| Density at 15°C | kg/m3 | max. | - | 890,0 | 900,0 | ISO 3675 or ISO 12185 | ||||||||||||||||||||||||
| Cetane index | min. | 45,0 | 40,0 | - | 40,0 | - | 35,0 | - | ISO 4264 | |||||||||||||||||||||
| Cetane number | min. | - | - | 40,0 | - | 40,0 | - | 35,0 | ISO 5165 or ASTM D6890/EN 15195 or ASTM D7668/EN 16715 or ASTM D8183/EN 17155 |
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| Sulfur content by mass | % | max. | Statutory requirements b | ISO 8754 or ISO 14596, ASTM D42945 |
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| Flash point | °C | min. | 43,0 | 60,0 | ISO 2719 | |||||||||||||||||||||||||
| Hydrogen sulfide | mg/kg | max. | 2,00 | IP 570 | ||||||||||||||||||||||||||
| Acid Number | mg K0H/g | max. | 0,5 | ASTM D664 | ||||||||||||||||||||||||||
| Existent total sediment (TSE) content by mass | % | max. | - | 0,10d | ISO 10307-1 | |||||||||||||||||||||||||
| Oxidation stability |
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| Fatty acid methyl ester (FAME) content by mass or volume | % | f | f | Report g | f | Report g | f | Report g | ASTM D7963 or EN 14078/ASTM D7371 |
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| Net heat of combustion | Mj/kg | - | - | Report h | - | Report h | - | Report h | ASTM D240 | |||||||||||||||||||||
| Carbon residue content by mass - Micro method on the 10% volume distillation residue |
% | max. | 0,30 | - | ISO 10370 | |||||||||||||||||||||||||
| Carbon residue content by mass - Micro method |
% | max. | - | 0,30 | ISO 10370 | |||||||||||||||||||||||||
| Cloud point | °C | max. | -16 | Report h | j | Report h,j | ISO 3015 | |||||||||||||||||||||||
| Cold filter pluggin point | °C | - | Report h | j | Report h,j | EN 116 or EN 16329 | ||||||||||||||||||||||||
| Pour point (upper) | °C | max. | - | Report h | j | Report h,j | EN 116 or EN 16329 | |||||||||||||||||||||||
| Appearance | max. | Clear and bright k | d | |||||||||||||||||||||||||||
| Water content by volume | % | max. | - | 0,30 d | ISO 3733 | |||||||||||||||||||||||||
| Ash content by mass | % | max. | 0,010 | ISO 6245 | ||||||||||||||||||||||||||
| Lubricity wear scar diameter (WSD) at 60°C l | um | max. | 520 | 520e | ISO 12156-1 | |||||||||||||||||||||||||
Table 2 - Residual marine fuels with sulfur content below or at 0,50 % by mass
Table 3 - Bio-residual marine fuels
Table 4 - Residual marine fuels with sulfur content above 0,50 % by mass